Module Metrics

Modules consists of multiple containers.

Accessibility module

AccessibilityIssues container

Extracts accessibility issues from a page

Accessibility output table type

Rule ID

Code: ruleId

This metric represents the unique identifier of a specific accessibility rule or guideline associated with the accessibility issue. It helps in tracking and referencing the specific rule.

Issue ID

Code: issueDigest

This metric represents the unique identifier or digest of an accessibility issue. It helps in tracking and referencing the specific issue.

Instance Index

Code: instanceIndex

customMetricContainers.AccessibilityIssues.Accessibility.instanceIndex.description

URL Digest

Code: urlDigest

customMetricContainers.AccessibilityIssues.Accessibility.urlDigest.description

Issue Severity

Code: issueSeverity

This metric categorizes the severity level of the accessibility issue in terms of its impact on users, from Minor to Critical. It helps in prioritizing the resolution of issues based on their impact.

URL

Code: url

This metric captures the specific URL where an accessibility issue was found. It helps developers identify the exact location of issues on a website, enabling efficient troubleshooting and resolution. This metric provides a clear reference to the page affected by the accessibility problem

Axe Results Group

Code: axeResultsGroup

This metric refers to Axe's categorisation of the accessibility issue as "Pass", "Violation" or "Incomplete". We run additional tests on top of Axe's tests so this may differ from the Issue Type metric.

Resolved Results Group

Code: resolvedResultsGroup

This metric categorizes the accessibility issue as "Pass", "Violation" or "Incomplete". This is our categorisation and may differ from the Axe Results Group metric due to additional tests we run.

Needs Manual Review

Code: needsManualReview

This metric indicates whether the accessibility issue requires manual review or intervention. It helps in identifying issues that need further attention.

Element Selector ID

Code: elementSelectorDigest

customMetricContainers.AccessibilityIssues.Accessibility.elementSelectorDigest.description

Element Selector

Code: elementSelector

This metric provides an example or sample element selector that represents the elements affected by the accessibility issue. It helps in identifying the element on a webpage.

Element Source

Code: elementSource

This metric provides the source code of the element associated with the accessibility issue.

Issue Description

Code: issueDescription

This metric provides a description or explanation of the accessibility issue. It helps in understanding the nature and impact of the issue.

Instance Count

Code: instanceCount

customMetricContainers.AccessibilityIssues.Accessibility.instanceCount.description

properties

Code: properties

A set of key-value pairs that capture various attributes related to an accessibility issue. Key attributes include:

category: The type of accessibility issue (e.g., color contrast, ARIA).
wcag_level: The WCAG conformance level (A, AA, or AAA).
wcag_success_criteria: The specific WCAG success criteria the issue relates to.
wcag_version: The version of WCAG guidelines applied.
legal: Identifies legal standards like Section 508 or ACT.
bg_min_color / bg_max_color: Minimum and maximum background colors.
contrast_ratio: Measures the color contrast between text and background.
font_color / font_size / font_weight: Font properties such as color, size, and weight.
is_font_large: Indicates if the font is considered large for accessibility purposes.
bounds_x / bounds_y / bounds_width / bounds_height: The position and dimensions of the element on the page.

Basic container

Basic metrics

Document output table type

Adult Rating

Code: adultRating

True if the page contains a <meta name="rating" content="adult"> tag, indicating the content is explicit.

HTTP headers

Code: allHeaders

This metric represents all the HTTP headers returned in a server response. The headers are provided as a list of key-value pairs, where each key is a header name (e.g., Content-Type, Authorization) and each value is the corresponding header value. This metric is essential for analyzing server responses, debugging issues, and logging important information about the communication between client and server.

Code: breadcrumbCount

The number of items found in Breadcrumb schema, representing the depth of the page in the site hierarchy.

Code: breadcrumbItemList

This metric provides a detailed list of all breadcrumb items extracted from a page. Each item in the list is a step in the navigational path, helping to map the user's journey through the site. This metric is crucial for understanding user navigation, improving site structure, and enhancing the overall user experience by revealing how users move through different levels of the site hierarchy.

Cache Control

Code: cacheControl

The value of the cache-control response header.

Charset HTTP Equiv Content Type

Code: charsetHttpEquivContentType

This metric captures the value of the charset attribute specified in the http-equiv content-type meta tag of an HTML document. This value indicates the character encoding used by the page, which is crucial for correctly displaying text content. Understanding this metric helps ensure proper text rendering, prevents encoding-related issues, and improves the overall user experience by ensuring that all characters are displayed as intended

Charset Meta

Code: charsetMeta

This metric captures the character encoding specified by the charset attribute in the meta tag of an HTML document. This value is crucial for ensuring that the text content of the page is displayed correctly across different browsers and devices. Monitoring this metric helps in maintaining proper text rendering, preventing encoding issues, and enhancing the user experience by ensuring the accurate display of all characters on the page.

Charset Meta Tag

Code: charsetMetaTag

This metric captures the character encoding specified in the meta tag of an HTML document. This metric provides the value of the charset attribute, which is essential for ensuring that the text content of the page is displayed correctly across different browsers and devices. Properly defined character encoding helps prevent text rendering issues and improves the overall user experience by ensuring that all characters are displayed as intended.

Content Text Size

Code: contentTextSize

Measures the size of the text content on the page in bytes.

Crawl Datetime

Code: crawlDatetime

The datetime the URL was crawled

Crawl Id

Code: crawlId

customMetricContainers.Basic.Document.crawlId.description

Meta Description

Code: description

The first meta description tag found in the page's HTML header

Disallowed

Code: disallowed

This metric indicates whether a given URL is disallowed from being crawled by the site's robots.txt rules. It returns a boolean value (true or false), where true means that the URL is disallowed for crawling by search engines, and false means it is allowed. Understanding this metric helps in managing and optimizing the visibility of pages to search engines, ensuring compliance with the site's crawling policies, and improving SEO strategies.

Error Code

Code: errorCode

An error captured during Puppeteer operations.

Exclusion Reason

Code: exclusionReason

Specifies the reason why a page was excluded from the crawl.

File Extension

Code: fileExtension

The file extension of the URL

Found At URL

Code: foundAtUrl

The first URL on which this URL was found during the web crawl phase

Found At URL Digest

Code: foundAtUrlDigest

customMetricContainers.Basic.Document.foundAtUrlDigest.description

Header Content Type

Code: headerContentType

The content-type included in the HTTP response headers

Header Last Modified

Code: headerLastModified

Extracts the last modified date from the HTTP headers.

HTML Size

Code: htmlSize

The size of the HTML, excluding the HTTP response headers

ID

Code: id

customMetricContainers.Basic.Document.id.description

Image Size

Code: imageSize

Measures the total size of image files on the page in bytes.

Is Internal

Code: isInternal

TRUE if the page is inside the primary domain

Is Redirect

Code: isRedirect

TRUE if the URL redirects to another URL

Is Redirect Loop

Code: isRedirectLoop

TRUE if the URL redirects to itself

Level

Code: level

The number of links from the starting URLs where this URL was found.

Meta Refresh Duration (sec)

Code: metaRefreshDuration

This metric measures the time, in seconds, specified by the meta refresh tag for redirecting the page. This metric is important for understanding and controlling page redirection behaviors, improving user experience by ensuring timely content updates, and managing the flow of navigation within the site.

Meta Refresh Redirect

Code: metaRefreshRedirect

This metric is a boolean value (true or false) that indicates whether a meta refresh tag is present on the page. This tag signifies an automatic redirect. Understanding this metric helps in analyzing and managing automatic redirection behaviors, which can impact user navigation and experience by ensuring smooth transitions between pages or timely content updates.

No Page Read Aloud

Code: noPageReadAloud

This metric indicates whether the page is marked to prevent read-aloud features, such as those provided by screen readers or browser extensions. This is determined by the presence of a meta tag with the attribute name="google" and content="nopagereadaloud". Understanding this metric is important for assessing accessibility features and ensuring that content can be accessed and consumed by all users, including those who rely on read-aloud technologies.

Code: noSiteLinksSearchBox

This metric indicates whether the page is marked to prevent the display of a sitelinks search box in search engine results. This is determined by the presence of a meta tag with the attribute name="google" and content="nositelinkssearchbox". Understanding this metric helps in managing how search engines display search boxes for your site in their results, which can influence user interaction and search behavior.

Page Group

Code: pageGroup

The label of the first Page Group which matched the URL.

Page H1 Tags

Code: pageH1S

This metric captures all H1 tags present on a page. This metric is derived from the rendered HTML document and provides an array of H1 tag contents. Analyzing this metric helps evaluate the structure and hierarchy of the content, ensuring proper usage of H1 tags for SEO and accessibility. Proper H1 tags improve search engine ranking and user experience by clearly defining the primary topics of the page.

Page Title

Code: pageTitle

The first HTML title tag found in the page's HTML header

Redirect Chain

Code: redirectChain

An array of all the URLs which redirect which this URL redirects to

Redirect Count

Code: redirectCount

The number of redirecting URLs in the redirect chain from this URL

Redirects To

Code: redirectsTo

This metric captures the URL to which a page redirects. If there is a redirect loop, this metric identifies the final URL in the chain. Otherwise, it provides the resolved target URL of the redirect. This metric is crucial for understanding the behavior of page redirects, diagnosing potential issues with redirection loops, and ensuring proper navigation flow and user experience.

Redirects To Digest

Code: redirectsToDigest

Provides a summary of all redirect URLs leading to the final destination.

Request Duration

Code: requestDuration

Measures the time taken for a network request from initiation to completion.

Resource Type

Code: resourceType

Classifies the type of resource (e.g., image, script, stylesheet) being loaded.

Response Content Length

Code: responseContentLength

Measures the size of the response body content in bytes.

Responsive

Code: responsive

TRUE if this page contains a responsive viewport tag

Robots Txt Rule Match

Code: robotsTxtRuleMatch

The winning rule in robots.txt which matched the URL based on the user-agent token specified in the project settings.

Script Size

Code: scriptSize

Measures the total size of JavaScript files loaded by the page.

Status Code

Code: statusCode

Records the HTTP status code returned by the server (e.g., 200, 404).

Step Type

Code: stepType

Classifies the type of user interaction step (e.g., click, scroll).

Stylesheet Size

Code: stylesheetSize

Measures the total size of CSS files loaded by the page.

Transfer Size

Code: transferSize

The network transfer size in bytes.

URL

Code: url

The URL which was crawled

URL Alias

Code: urlAlias

customMetricContainers.Basic.Document.urlAlias.description

URL Alias Digest

Code: urlAliasDigest

customMetricContainers.Basic.Document.urlAliasDigest.description

URL Digest

Code: urlDigest

customMetricContainers.Basic.Document.urlDigest.description

URL HTTPs

Code: urlHttps

This metric is a boolean value that indicates whether the page URL uses the HTTPS protocol. A value of true means the URL starts with "https://", ensuring a secure connection, while false indicates the use of an insecure HTTP connection. This metric is crucial for assessing the security of the page and ensuring the protection of data transmitted between the user and the server.

URL Length

Code: urlLength

The number of characters in the URL that was crawled

Viewport

Code: viewport

The value of the viewport tag in the page's HTML

BasicHtmlExtraction container

Basic HTML extractions

Document output table type

Legacy HTML Extraction

Code: legacyHtmlExtraction

The values extracted from the page using the custom extraction setting.

Legacy HTML Extraction Errors

Code: legacyHtmlExtractionErrors

The errors occured in process of extracting values from a page using the custom extraction setting.

Legacy HTML Extraction Match

Code: legacyHtmlExtractionMatch

TRUE if any custom extraction resulted in a match for this URL

Basic module

Basic container

Basic metrics

Document output table type

Adult Rating

Code: adultRating

True if the page contains a <meta name="rating" content="adult"> tag, indicating the content is explicit.

HTTP headers

Code: allHeaders

Code: breadcrumbCount

The number of items found in Breadcrumb schema, representing the depth of the page in the site hierarchy.

Code: breadcrumbItemList

Cache Control

Code: cacheControl

The value of the cache-control response header.

Charset HTTP Equiv Content Type

Code: charsetHttpEquivContentType

Charset Meta

Code: charsetMeta

Charset Meta Tag

Code: charsetMetaTag

Content Text Size

Code: contentTextSize

Measures the size of the text content on the page in bytes.

Crawl Datetime

Code: crawlDatetime

The datetime the URL was crawled

Crawl Id

Code: crawlId

customMetricContainers.Basic.Document.crawlId.description

Meta Description

Code: description

The first meta description tag found in the page's HTML header

Disallowed

Code: disallowed

Error Code

Code: errorCode

An error captured during Puppeteer operations.

Exclusion Reason

Code: exclusionReason

Specifies the reason why a page was excluded from the crawl.

File Extension

Code: fileExtension

The file extension of the URL

Found At URL

Code: foundAtUrl

The first URL on which this URL was found during the web crawl phase

Found At URL Digest

Code: foundAtUrlDigest

customMetricContainers.Basic.Document.foundAtUrlDigest.description

Header Content Type

Code: headerContentType

The content-type included in the HTTP response headers

Header Last Modified

Code: headerLastModified

Extracts the last modified date from the HTTP headers.

HTML Size

Code: htmlSize

The size of the HTML, excluding the HTTP response headers

ID

Code: id

customMetricContainers.Basic.Document.id.description

Image Size

Code: imageSize

Measures the total size of image files on the page in bytes.

Is Internal

Code: isInternal

TRUE if the page is inside the primary domain

Is Redirect

Code: isRedirect

TRUE if the URL redirects to another URL

Is Redirect Loop

Code: isRedirectLoop

TRUE if the URL redirects to itself

Level

Code: level

The number of links from the starting URLs where this URL was found.

Meta Refresh Duration (sec)

Code: metaRefreshDuration

Meta Refresh Redirect

Code: metaRefreshRedirect

No Page Read Aloud

Code: noPageReadAloud

Code: noSiteLinksSearchBox

Page Group

Code: pageGroup

The label of the first Page Group which matched the URL.

Page H1 Tags

Code: pageH1S

Page Title

Code: pageTitle

The first HTML title tag found in the page's HTML header

Redirect Chain

Code: redirectChain

An array of all the URLs which redirect which this URL redirects to

Redirect Count

Code: redirectCount

The number of redirecting URLs in the redirect chain from this URL

Redirects To

Code: redirectsTo

Redirects To Digest

Code: redirectsToDigest

Provides a summary of all redirect URLs leading to the final destination.

Request Duration

Code: requestDuration

Measures the time taken for a network request from initiation to completion.

Resource Type

Code: resourceType

Classifies the type of resource (e.g., image, script, stylesheet) being loaded.

Response Content Length

Code: responseContentLength

Measures the size of the response body content in bytes.

Responsive

Code: responsive

TRUE if this page contains a responsive viewport tag

Robots Txt Rule Match

Code: robotsTxtRuleMatch

The winning rule in robots.txt which matched the URL based on the user-agent token specified in the project settings.

Script Size

Code: scriptSize

Measures the total size of JavaScript files loaded by the page.

Status Code

Code: statusCode

Records the HTTP status code returned by the server (e.g., 200, 404).

Step Type

Code: stepType

Classifies the type of user interaction step (e.g., click, scroll).

Stylesheet Size

Code: stylesheetSize

Measures the total size of CSS files loaded by the page.

Transfer Size

Code: transferSize

The network transfer size in bytes.

URL

Code: url

The URL which was crawled

URL Alias

Code: urlAlias

customMetricContainers.Basic.Document.urlAlias.description

URL Alias Digest

Code: urlAliasDigest

customMetricContainers.Basic.Document.urlAliasDigest.description

URL Digest

Code: urlDigest

customMetricContainers.Basic.Document.urlDigest.description

URL HTTPs

Code: urlHttps

URL Length

Code: urlLength

The number of characters in the URL that was crawled

Viewport

Code: viewport

The value of the viewport tag in the page's HTML

BasicHtmlExtraction container

Basic HTML extractions

Document output table type

Legacy HTML Extraction

Code: legacyHtmlExtraction

The values extracted from the page using the custom extraction setting.

Legacy HTML Extraction Errors

Code: legacyHtmlExtractionErrors

The errors occured in process of extracting values from a page using the custom extraction setting.

Legacy HTML Extraction Match

Code: legacyHtmlExtractionMatch

TRUE if any custom extraction resulted in a match for this URL

SEO module

Basic container

Basic metrics

Document output table type

Adult Rating

Code: adultRating

True if the page contains a <meta name="rating" content="adult"> tag, indicating the content is explicit.

HTTP headers

Code: allHeaders

Code: breadcrumbCount

The number of items found in Breadcrumb schema, representing the depth of the page in the site hierarchy.

Code: breadcrumbItemList

Cache Control

Code: cacheControl

The value of the cache-control response header.

Charset HTTP Equiv Content Type

Code: charsetHttpEquivContentType

Charset Meta

Code: charsetMeta

Charset Meta Tag

Code: charsetMetaTag

Content Text Size

Code: contentTextSize

Measures the size of the text content on the page in bytes.

Crawl Datetime

Code: crawlDatetime

The datetime the URL was crawled

Crawl Id

Code: crawlId

customMetricContainers.Basic.Document.crawlId.description

Meta Description

Code: description

The first meta description tag found in the page's HTML header

Disallowed

Code: disallowed

Error Code

Code: errorCode

An error captured during Puppeteer operations.

Exclusion Reason

Code: exclusionReason

Specifies the reason why a page was excluded from the crawl.

File Extension

Code: fileExtension

The file extension of the URL

Found At URL

Code: foundAtUrl

The first URL on which this URL was found during the web crawl phase

Found At URL Digest

Code: foundAtUrlDigest

customMetricContainers.Basic.Document.foundAtUrlDigest.description

Header Content Type

Code: headerContentType

The content-type included in the HTTP response headers

Header Last Modified

Code: headerLastModified

Extracts the last modified date from the HTTP headers.

HTML Size

Code: htmlSize

The size of the HTML, excluding the HTTP response headers

ID

Code: id

customMetricContainers.Basic.Document.id.description

Image Size

Code: imageSize

Measures the total size of image files on the page in bytes.

Is Internal

Code: isInternal

TRUE if the page is inside the primary domain

Is Redirect

Code: isRedirect

TRUE if the URL redirects to another URL

Is Redirect Loop

Code: isRedirectLoop

TRUE if the URL redirects to itself

Level

Code: level

The number of links from the starting URLs where this URL was found.

Meta Refresh Duration (sec)

Code: metaRefreshDuration

Meta Refresh Redirect

Code: metaRefreshRedirect

No Page Read Aloud

Code: noPageReadAloud

Code: noSiteLinksSearchBox

Page Group

Code: pageGroup

The label of the first Page Group which matched the URL.

Page H1 Tags

Code: pageH1S

Page Title

Code: pageTitle

The first HTML title tag found in the page's HTML header

Redirect Chain

Code: redirectChain

An array of all the URLs which redirect which this URL redirects to

Redirect Count

Code: redirectCount

The number of redirecting URLs in the redirect chain from this URL

Redirects To

Code: redirectsTo

Redirects To Digest

Code: redirectsToDigest

Provides a summary of all redirect URLs leading to the final destination.

Request Duration

Code: requestDuration

Measures the time taken for a network request from initiation to completion.

Resource Type

Code: resourceType

Classifies the type of resource (e.g., image, script, stylesheet) being loaded.

Response Content Length

Code: responseContentLength

Measures the size of the response body content in bytes.

Responsive

Code: responsive

TRUE if this page contains a responsive viewport tag

Robots Txt Rule Match

Code: robotsTxtRuleMatch

The winning rule in robots.txt which matched the URL based on the user-agent token specified in the project settings.

Script Size

Code: scriptSize

Measures the total size of JavaScript files loaded by the page.

Status Code

Code: statusCode

Records the HTTP status code returned by the server (e.g., 200, 404).

Step Type

Code: stepType

Classifies the type of user interaction step (e.g., click, scroll).

Stylesheet Size

Code: stylesheetSize

Measures the total size of CSS files loaded by the page.

Transfer Size

Code: transferSize

The network transfer size in bytes.

URL

Code: url

The URL which was crawled

URL Alias

Code: urlAlias

customMetricContainers.Basic.Document.urlAlias.description

URL Alias Digest

Code: urlAliasDigest

customMetricContainers.Basic.Document.urlAliasDigest.description

URL Digest

Code: urlDigest

customMetricContainers.Basic.Document.urlDigest.description

URL HTTPs

Code: urlHttps

URL Length

Code: urlLength

The number of characters in the URL that was crawled

Viewport

Code: viewport

The value of the viewport tag in the page's HTML

BasicHtmlExtraction container

Basic HTML extractions

Document output table type

Legacy HTML Extraction

Code: legacyHtmlExtraction

The values extracted from the page using the custom extraction setting.

Legacy HTML Extraction Errors

Code: legacyHtmlExtractionErrors

The errors occured in process of extracting values from a page using the custom extraction setting.

Legacy HTML Extraction Match

Code: legacyHtmlExtractionMatch

TRUE if any custom extraction resulted in a match for this URL

SEO container

SEO metrics

SeoDocument output table type

AI Bot Blocked

Code: aiBotBlocked

A list of bots which are blocked from indexing the content of the page in AI models. 'google' is included where the URL is disallowed in robots.txt for the google-extended user-agent token. 'bing_nocache' is included where a nocache directive allows only URLs, titles and snippets to be used in training Microsoft's AI models. 'bing_noarchive' is included when a noarchive directive prevents any content being used in training Microsoft's AI models.

AMP HTML Validity

Code: ampHtmlValid

TRUE if the page is a valid AMP page.

Body Tags in Head Count

Code: bodyTagsInHeadCount

The number of <body> tags found in the <head> of the page.

Body Word Count

Code: bodyWordCount

The number of words found in the HTML body section of the page

Code: breadcrumbSchemaCount

The number of Breadcrumb structured data markups found on the page.

Canonical Tags Count

Code: canonicalCount

The number of canonical link elements (<link rel="canonical">) present on a webpage.

Canonical HTML URL

Code: canonicalHtmlUrl

The URL included in the canonical tag found in the HTML head section of this page

Canonical HTTP URL

Code: canonicalHttpUrl

The URL included in the canonical tag found in the HTTP response headers of this page

Canonical URL Render Mismatch

Code: canonicalRenderMismatch

TRUE if the URL in canonical link in the rendered DOM matches the raw HTML canonical link URL.

Canonical URL

Code: canonicalUrl

The resolved canonical URL on this page. If there are multiple conflicting canonical URLs, this value will be blank.

Canonical URL Consistency

Code: canonicalUrlIsConsistent

TRUE if the canonical URLs found on this page's HTTP response headers and canonical meta tag are the same

Content-to-Code Ratio

Code: contentRatio

The ratio of non-HTML content in the body, to the full HTML

descriptionLength

Code: descriptionLength

The number of characters in the meta description tag in the pages HTML

descriptionLengthPx

Code: descriptionLengthPx

The single line length of the meta description tag in pixels when rendered in size 10 font

Event Schema Count

Code: eventSchemaCount

The number of Event structured data markups found on the page.

External Links Count

Code: externalLinksCount

The number of links on the page to external URLs outside of the primary domain

FAQ Page Schema Count

Code: faqpageSchemaCount

The number of FAQPage structured data markups found on the page.

Facebook Admins

Code: fbAdmins

The value of the Open Graph FB admins tag included on the page

Facebook App ID

Code: fbAppId

The value of the Facebook App ID tag included on the page

Followed External Links Out Count

Code: followedExternalLinksOutCount

The number of followed external links on the page to URLs outside of the primary domain

Presence of Structured Data

Code: hasStructuredData

TRUE if there is schema.org markup found in JSON-LD or Microdata on a page.

Content-Encoding Header

Code: headerContentEncoding

The file encoding type included in the HTTP response headers

Content Security Policy Header

Code: headerContentSecurityPolicy

The value of the Content-Security-Policy header, used to prevent cross-site scripting (XSS) and other code injection attacks by specifying trusted sources for content.

ETag Header

Code: headerETag

The value of the ETag header, used as a cache validation token to efficiently determine if a cached version of a resource is still current.

Permissions Policy Header

Code: headerPermissionsPolicy

The value of the Permissions-Policy header, which manages the usage of browser features and APIs, such as geolocation or camera access, by controlling their permissions.

Referrer Policy Header

Code: headerReferrerPolicy

The value of the Referrer-Policy header, which controls how much referrer information is shared when navigating to a new page or making requests.

Strict Transport Security Header

Code: headerStrictTransportSecurity

The value of the HSTS tag in the HTTP response headers

Vary Header

Code: headerVary

TRUE if there is a Vary User Agent tag in the page's HTTP response headers

X-Content-Type-Options Header

Code: headerXContentTypeOptions

The value of the X-Content-Type-Options header, typically set to nosniff, to prevent browsers from interpreting files as a different MIME type than declared, enhancing security.

X-Frame-Options Header

Code: headerXFrameOptions

The value of the X-Frame-Options header, which specifies if a browser should allow a webpage to be displayed within a <frame> or <iframe>, helping prevent clickjacking attacks.

Head Tags in Body Count

Code: headTagsInBodyCount

The number of <head> tags found in the <body> of the page.

How-To Schema Count

Code: howtoSchemaCount

The number of HowTo structured data markups found on the page.

Hreflang Combinations Out

Code: hreflangCombinationsOut

An array of all the languages included in hreflang tags included in Sitemaps, in the HTTP response headers, and in the HTML head

HTML Hreflang Attributes

Code: htmlHreflangs

TRUE if the page contains hreflang tags in the HTML head

HTTP Hreflang Attributes

Code: httpHreflangs

TRUE if the page contains hreflang tags in the HTTP response header

Internal Links Count

Code: internalLinksCount

The number of links on the page to internal URLs inside the primary domain

Is AMP HTML

Code: isAmphtml

TRUE if this page has AMPHTML code elements

Missing Canonical Tag

Code: isCanonicalMissing

Indicates whether the canonical URL for a page is missing or undefined. Helps identify pages lacking a valid canonical URL, which can lead to SEO issues such as duplicate content or improper indexing.

HTML Noarchive Tag

Code: isHtmlNoarchive

TRUE if the page contains a meta noarchive tag

HTML Nofollow Tag

Code: isHtmlNofollow

TRUE if the page contains a meta nofollow tag

HTML Noimageindex Tag

Code: isHtmlNoimageindex

Indicates if the <meta name="robots" content="noimageindex"> tag is present in a page’s HTML. A value of true prevents search engines from indexing images, while false allows image indexing. If undefined, the tag’s presence is not determined. This helps control image visibility in search results.

HTML Noindex Tag

Code: isHtmlNoindex

TRUE if the page contains a meta noindex tag

HTML Nosnippet Tag

Code: isHtmlNosnippet

TRUE if the page contains a meta nosnippet tag

HTML Notranslate Tag

Code: isHtmlNotranslate

Indicates if the <meta name="robots" content="notranslate"> tag is present in a page’s HTML. A value of true prevents search engines from offering translation for the page, while false allows translation. If undefined, the tag’s presence is not determined.

HTTP Noarchive Tag

Code: isHttpNoarchive

TRUE if the page contains a noarchive tag in the HTTP response headers

HTTP Nofollow Tag

Code: isHttpNofollow

TRUE if the page contains a nofollow tag in the HTTP response headers

HTTP Noimageindex Tag

Code: isHttpNoimageindex

Indicates if the X-Robots-Tag: noimageindex directive is present in the HTTP headers. A value of true prevents search engines from indexing images, while false allows image indexing. If undefined, the directive’s presence is not determined.

HTTP Noindex Tag

Code: isHttpNoindex

TRUE if the page contains an x-robots noindex tag in the HTTP response headers

HTTP Nosnippet Tag

Code: isHttpNosnippet

TRUE if the page contains a nosnippet tag in the HTTP response headers

HTTP Notranslate Tag

Code: isHttpNotranslate

Indicates if the X-Robots-Tag: notranslate directive is present in the HTTP headers. A value of true prevents search engines from offering translation for the page, while false allows translation. If undefined, the directive’s presence is not determined.

Is Indexable

Code: isIndexable

TRUE if the page is indexable in search engines, with a 200 HTTP status, and isn't noindexed or canonicalized to another URL

Noarchive Status

Code: isNoarchive

TRUE if the page contains a meta noarchive tag

Nofollow Status

Code: isNofollow

TRUE if the page contains a meta nofollow tag

Noimageindex Status

Code: isNoimageindex

Indicates if either the noimageindex directive is present in the HTML or HTTP headers of the page. A value of true prevents search engines from indexing images, while false allows image indexing. If undefined, the directive’s presence is not determined.

Noindex Status

Code: isNoindex

TRUE if the page has a matching noindex rule in the robots.txt file used for the crawl

Nosnippet Status

Code: isNosnippet

Indicates if either the nosnippet directive is present in the HTML or HTTP headers of the page. A value of true prevents search engines from showing a text snippet in search results, while false allows snippets. If undefined, the directive’s presence is not determined.

Notranslate Status

Code: isNotranslate

Indicates if either the notranslate directive is present in the HTML or HTTP headers of the page. A value of true prevents search engines from offering translation for the page, while false allows translation. If undefined, the directive’s presence is not determined.

Page Canonicalized Status

Code: isPageCanonicalized

TRUE if the page has a canonical tag with a URL that is different to the URL of the page

Self-Canonicalized Status

Code: isSelfCanonicalized

TRUE if the canonical URL is the same as the page's URL

Link Headers

Code: linkHeaders

Extracts all Link headers from the HTTP response if available. This metric gathers and returns an array of link header objects, providing information about the relationships between the current page and other resources, as defined in the response headers. If the response is missing, no link headers are returned.

Outbound Links Count

Code: linksOutCount

The number of links on the page to other URLs

Mobile Alternate HTML URL

Code: mobileRelAlternateHtmlUrl

The URL included in the mobile rel alternate tag in the page's HTML head

Mobile Alternate HTTP URL

Code: mobileRelAlternateHttpUrl

The URL included in the mobile rel alternate tag in the page's HTTP response headers

Mobile Alternate URL

Code: mobileRelAlternateUrl

The resolved mobile rel alt URL on this page. If there are multiple conflicting URLs, this value will be blank.

Mobile Alternate URL Consistency

Code: mobileRelAlternateUrlIsConsistent

TRUE if the mobile rel alt URLs found in this page's HTTP response headers and HTML head are the same

Mobile AMP HTML Relation

Code: mobileRelAmphtml

TRUE if the page contains a rel AMP tag

Mobile AMP HTML URL

Code: mobileRelAmphtmlUrl

The AMP URL included in a rel AMP tag

News Article Author Schema Value

Code: newsarticleAuthorSchemaValue

The Schema.org Article Author that was found on the page.

News Article Schema Count

Code: newsarticleSchemaCount

The number of NewsArticle structured data markups found on the page.

News Article Schema Validity

Code: newsarticleSchemaValid

TRUE if the page has a valid Schema.org NewsArticle markup.

Next HTML URL

Code: nextHtmlUrl

The URL included in the rel next tag in the page's HTML head

Next HTTP URL

Code: nextHttpUrl

The URL included in the rel next tag in the page's HTTP response headers

Next URL

Code: nextUrl

The resolved rel next URL on this page. If there are multiple conflicting rel next URLs, this value will be blank.

Next URL Consistency

Code: nextUrlIsConsistent

TRUE if the rel next URLs found in this page's HTTP response headers and HTML head are the same

Open Graph Description

Code: ogDescription

The value of the Open Graph description tag included on the page

Open Graph Image

Code: ogImage

The value of the Open Graph image tag included on the page

Open Graph Locale

Code: ogLocale

The value of the Open Graph locale tag included on the page

Open Graph Site Name

Code: ogSiteName

The value of the Open Graph name tag included on the page

Open Graph Title

Code: ogTitle

The value of the Open Graph title tag included on the page

Open Graph Type

Code: ogType

The value of the Open Graph type tag included on the page

Open Graph URL

Code: ogUrl

The value of the Open Graph url tag included on the page

Page Number 1

Code: page1

TRUE if the page is the first page in a set of paginated pages, containing a rel next tag but no rel prev tag

H1 Tags Count

Code: pageH1SCount

The number of unique H1 tags found on the page

H1 Tags Length

Code: pageH1SLength

The combined length of the contents of all the H1 tags found in the page's HTML

H2 Tags

Code: pageH2S

An array of H2 tag contents found in the page's HTML

H3 Tags

Code: pageH3S

An array of H3 tag contents found in the page's HTML

Page Text Body MD5

Code: pageTextBodyMd5

#N/A

Page Text Precision MD5

Code: pageTextPrecisionMd5

#N/A

Page Title Length

Code: pageTitleLength

The number of characters in the HTML title tag found on the page

Page Title Length (Pixels)

Code: pageTitleLengthPx

The length of the HTML title tag in pixels when rendered in size 12 font

Page Titles Count

Code: pageTitlesCount

Measures the number of <title> elements present on a page. A properly structured page should have a single title element, and this metric helps identify potential issues with multiple or missing titles, which can affect SEO and page accessibility.

Paginated Page

Code: paginatedPage

TRUE if the page contains a rel next tag, and/or rel Prev tag. This excludes the first page in a set of paginated pages.

Cumulative Layout Shift (CLS)

Code: performanceCls

The total movement of visible elements within the viewport while rendering a page. CLS of 0.1 or less is Good, between 0.1 to 0.25 is Average, and greater than 0.25 is Poor.

Document Content Loaded (DCL) Time

Code: performanceDcl

The time in seconds it took for the initial HTML document to be loaded and parsed. DCL of 1.5 (sec) or less is Fast, between 1.5 to 3.5 is Average, and greater than 3.5 is Slow.

First Contentful Paint (FCP) Time

Code: performanceFcp

The time in seconds at which the first text or image is painted when rendering a page. FCP of 2 (sec) or less is Fast, between 2 and 4 is Average, and greater than 4 is Slow.

Largest Contentful Paint (LCP) Time

Code: performanceLcp

The time in seconds at which the largest text or image is painted when rendering a page. An LCP of 2.5 (sec) or less is Fast, between 2.5 to 4.0 is Average, and greater than 4.0 is Slow.

Time to First Byte (TTFB)

Code: performanceTtfb

The time in seconds it took for the server to respond to our initial request. TTFB of 0.2 (sec) or less is Fast, between 0.2 to 0.6 is Medium, and greater than 0.6 is Slow.

Time to Interactive (TTI)

Code: performanceTti

The time in seconds it took for the page to become fully interactive. TTI of 3.8 (sec) or less is Fast, between 3.8 to 7.3 is Average, and greater than 7.3 is Slow.

Previous HTML URL

Code: prevHtmlUrl

The URL included in the rel Prev tag in the page's HTML head

Previous HTTP URL

Code: prevHttpUrl

The URL included in the rel Prev tag in the page's HTTP response headers

Previous URL

Code: prevUrl

The resolved rel Prev URL on this page. If there are multiple conflicting rel Prev URLs, this value will be blank.

Previous URL Consistency

Code: prevUrlIsConsistent

TRUE if the rel Prev URLs found in this page's HTTP response headers and HTML head are the same

Product Availability Schema Value

Code: productAvailabilitySchemaValue

The Schema.org Product Availability value that was found on the page.

Product Brand Schema Value

Code: productBrandSchemaValue

The Schema.org Product Brand value that was found on the page.

Product Price Schema Value

Code: productPriceSchemaValue

The Schema.org Product Price that was found on the page.

Product Rating Schema Value

Code: productRatingSchemaValue

The Schema.org Aggregate Product Review Rating value that was found on the page.

Product Schema Count

Code: productSchemaCount

The number of Product structured data markups found on the page.

Product Schema Validity

Code: productSchemaValid

TRUE if the page has a valid Schema.org Product markup.

Product SKU Schema Value

Code: productSkuSchemaValue

The Schema.org Product SKU value that was found on the page.

QA Page Schema Count

Code: qapageSchemaCount

The number of QA Page structured data markups found on the page.

Recipe Schema Count

Code: recipeSchemaCount

The number of Recipe structured data markups found on the page.

Rendered Link Count Difference

Code: renderedLinkCountDifference

The difference of the link counts found between the DOM and the raw HTML source of the page.

Rendered Word Count Difference

Code: renderedWordCountDifference

The difference of the word count found between the rendered DOM and the word count in the raw HTML of the page.

Review Schema Count

Code: reviewSchemaCount

The number of Review structured data markups found on the page.

Separate Desktop Version

Code: separateDesktop

TRUE if this page contains a mobile rel=alternate tag to another URL

Code: thirdPartyCookieOrigins

A list of domain origins which set a third party cookie on the page.

Twitter App ID for Google Play

Code: twitterAppIdGoogleplay

#N/A

Twitter App ID for iPad

Code: twitterAppIdIpad

#N/A

Twitter App ID for iPhone

Code: twitterAppIdIphone

#N/A

Twitter Card Type

Code: twitterCard

The value of the Twitter card type tag included on the page

Twitter Card Validity

Code: twitterCardValid

TRUE if the Twitter card metadata is correctly configured on a page, validating card types (summary, app, player) and required fields. If no Twitter card is present, it checks for valid Open Graph tags (ogType, ogTitle, ogDescription) as a fallback.

Twitter Description

Code: twitterDescription

The value of the Twitter card description tag included on the page

Twitter Description Length

Code: twitterDescriptionLength

The length of the description in the Twitter card description tag on the page

Twitter Image

Code: twitterImage

The value of the Twitter card image tag included on the page

Twitter Open Graph Description

Code: twitterOgDescription

#N/A

Twitter Open Graph Title

Code: twitterOgTitle

#N/A

Twitter Open Graph Type

Code: twitterOgType

#N/A

Twitter Player

Code: twitterPlayer

#N/A

Twitter Player Height

Code: twitterPlayerHeight

#N/A

Twitter Player Width

Code: twitterPlayerWidth

#N/A

Twitter Site

Code: twitterSite

The value of the Twitter card site tag included on the page

Twitter Site ID

Code: twitterSiteId

#N/A

Twitter Title

Code: twitterTitle

The value of the Twitter card title tag included on the page

Unavailable After

Code: unavailableAfter

The value of an Unavailable After meta tag or response header

Unavailable After Days

Code: unavailableAfterDays

The number of days from when the page was requested until the date specified in the unavailable_after robots directive. The value will be negative when the unavailable_after date is in the past.

URL Contains Repeated Paths

Code: urlContainsRepeatedPaths

TRUE if the URL contains a folder path repeated 3 or more times anywhere in the URL which may not be indexed in search engines as it has the same pattern as a spider trap (e.g. example.com/path1/path1/path2/path1/).

URL Contains Underscores

Code: urlContainsUnderscores

True if the URL contains underscores instead of hyphens, which is preferred by Google.

URL Double Encoded

Code: urlDoubleEncoded

TRUE if the URL contains any double encoding where character single encodings (e.g. a space character as %20) are re-encoded (e.g. %2520).

URL Normalized

Code: urlNormalized

A hash of a normalised representation of the URL removing inconsistencies caused by character case, encoding, trailing slashes, file extensions, parameter ordering and parameter duplication.

URL Normalized Digest

Code: urlNormalizedDigest

#N/A

URL Path Contains Double Slashes

Code: urlPathContainsDoubleSlashes

TRUE if the URL contains double slashes anywhere in the path, excluding the query parameters (e.g. ?redirect=https://example.com)

Video Object Schema Count

Code: videoobjectSchemaCount

The number of VideoObject structured data markups found on the page.

LanguageDetection container

Detect page language using cld

Document output table type

Identified Language

Code: identifiedLanguage

The language was mostly written at based on the content analysis.

Languages Summary

Code: languagesSummary

This metric provides a detailed breakdown of detected languages on a page, sorted by their prevalence. Each entry in this metric includes the language code and its corresponding percentage, representing the proportion of the content in that language. This metric is crucial for understanding the linguistic diversity of the content, aiding in multilingual support and localization efforts.

dominantLanguages

Code: dominantLanguages

customMetricContainers.LanguageDetection.Document.dominantLanguages.description

SiteSpeed module

Basic container

Basic metrics

Document output table type

Adult Rating

Code: adultRating

True if the page contains a <meta name="rating" content="adult"> tag, indicating the content is explicit.

HTTP headers

Code: allHeaders

Code: breadcrumbCount

The number of items found in Breadcrumb schema, representing the depth of the page in the site hierarchy.

Code: breadcrumbItemList

Cache Control

Code: cacheControl

The value of the cache-control response header.

Charset HTTP Equiv Content Type

Code: charsetHttpEquivContentType

Charset Meta

Code: charsetMeta

Charset Meta Tag

Code: charsetMetaTag

Content Text Size

Code: contentTextSize

Measures the size of the text content on the page in bytes.

Crawl Datetime

Code: crawlDatetime

The datetime the URL was crawled

Crawl Id

Code: crawlId

customMetricContainers.Basic.Document.crawlId.description

Meta Description

Code: description

The first meta description tag found in the page's HTML header

Disallowed

Code: disallowed

Error Code

Code: errorCode

An error captured during Puppeteer operations.

Exclusion Reason

Code: exclusionReason

Specifies the reason why a page was excluded from the crawl.

File Extension

Code: fileExtension

The file extension of the URL

Found At URL

Code: foundAtUrl

The first URL on which this URL was found during the web crawl phase

Found At URL Digest

Code: foundAtUrlDigest

customMetricContainers.Basic.Document.foundAtUrlDigest.description

Header Content Type

Code: headerContentType

The content-type included in the HTTP response headers

Header Last Modified

Code: headerLastModified

Extracts the last modified date from the HTTP headers.

HTML Size

Code: htmlSize

The size of the HTML, excluding the HTTP response headers

ID

Code: id

customMetricContainers.Basic.Document.id.description

Image Size

Code: imageSize

Measures the total size of image files on the page in bytes.

Is Internal

Code: isInternal

TRUE if the page is inside the primary domain

Is Redirect

Code: isRedirect

TRUE if the URL redirects to another URL

Is Redirect Loop

Code: isRedirectLoop

TRUE if the URL redirects to itself

Level

Code: level

The number of links from the starting URLs where this URL was found.

Meta Refresh Duration (sec)

Code: metaRefreshDuration

Meta Refresh Redirect

Code: metaRefreshRedirect

No Page Read Aloud

Code: noPageReadAloud

Code: noSiteLinksSearchBox

Page Group

Code: pageGroup

The label of the first Page Group which matched the URL.

Page H1 Tags

Code: pageH1S

Page Title

Code: pageTitle

The first HTML title tag found in the page's HTML header

Redirect Chain

Code: redirectChain

An array of all the URLs which redirect which this URL redirects to

Redirect Count

Code: redirectCount

The number of redirecting URLs in the redirect chain from this URL

Redirects To

Code: redirectsTo

Redirects To Digest

Code: redirectsToDigest

Provides a summary of all redirect URLs leading to the final destination.

Request Duration

Code: requestDuration

Measures the time taken for a network request from initiation to completion.

Resource Type

Code: resourceType

Classifies the type of resource (e.g., image, script, stylesheet) being loaded.

Response Content Length

Code: responseContentLength

Measures the size of the response body content in bytes.

Responsive

Code: responsive

TRUE if this page contains a responsive viewport tag

Robots Txt Rule Match

Code: robotsTxtRuleMatch

The winning rule in robots.txt which matched the URL based on the user-agent token specified in the project settings.

Script Size

Code: scriptSize

Measures the total size of JavaScript files loaded by the page.

Status Code

Code: statusCode

Records the HTTP status code returned by the server (e.g., 200, 404).

Step Type

Code: stepType

Classifies the type of user interaction step (e.g., click, scroll).

Stylesheet Size

Code: stylesheetSize

Measures the total size of CSS files loaded by the page.

Transfer Size

Code: transferSize

The network transfer size in bytes.

URL

Code: url

The URL which was crawled

URL Alias

Code: urlAlias

customMetricContainers.Basic.Document.urlAlias.description

URL Alias Digest

Code: urlAliasDigest

customMetricContainers.Basic.Document.urlAliasDigest.description

URL Digest

Code: urlDigest

customMetricContainers.Basic.Document.urlDigest.description

URL HTTPs

Code: urlHttps

URL Length

Code: urlLength

The number of characters in the URL that was crawled

Viewport

Code: viewport

The value of the viewport tag in the page's HTML

BasicHtmlExtraction container

Basic HTML extractions

Document output table type

Legacy HTML Extraction

Code: legacyHtmlExtraction

The values extracted from the page using the custom extraction setting.

Legacy HTML Extraction Errors

Code: legacyHtmlExtractionErrors

The errors occured in process of extracting values from a page using the custom extraction setting.

Legacy HTML Extraction Match

Code: legacyHtmlExtractionMatch

TRUE if any custom extraction resulted in a match for this URL

SiteSpeed container

Site Speed metrics

SiteSpeedOrigin output table type

Domain

Code: origin

customMetricContainers.SiteSpeed.SiteSpeedOrigin.origin.description

originDigest

Code: originDigest

customMetricContainers.SiteSpeed.SiteSpeedOrigin.originDigest.description

cruxCls

Code: cruxCls

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxCls.description

cruxClsGood

Code: cruxClsGood

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxClsGood.description

cruxClsModerate

Code: cruxClsModerate

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxClsModerate.description

cruxClsPoor

Code: cruxClsPoor

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxClsPoor.description

cruxFcp

Code: cruxFcp

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxFcp.description

cruxFcpGood

Code: cruxFcpGood

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxFcpGood.description

cruxFcpModerate

Code: cruxFcpModerate

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxFcpModerate.description

cruxFcpPoor

Code: cruxFcpPoor

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxFcpPoor.description

cruxItnp

Code: cruxItnp

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxItnp.description

cruxItnpGood

Code: cruxItnpGood

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxItnpGood.description

cruxItnpModerate

Code: cruxItnpModerate

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxItnpModerate.description

cruxItnpPoor

Code: cruxItnpPoor

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxItnpPoor.description

cruxLcp

Code: cruxLcp

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxLcp.description

cruxLcpGood

Code: cruxLcpGood

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxLcpGood.description

cruxLcpModerate

Code: cruxLcpModerate

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxLcpModerate.description

cruxLcpPoor

Code: cruxLcpPoor

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxLcpPoor.description

cruxTtfb

Code: cruxTtfb

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxTtfb.description

cruxTtfbGood

Code: cruxTtfbGood

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxTtfbGood.description

cruxTtfbModerate

Code: cruxTtfbModerate

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxTtfbModerate.description

cruxTtfbPoor

Code: cruxTtfbPoor

customMetricContainers.SiteSpeed.SiteSpeedOrigin.cruxTtfbPoor.description

SiteSpeedAudit output table type

Audit Digest

Code: auditDigest

A unique identifier for each audit record, useful for tracking different evaluations over time.

Audit ID

Code: auditId

A unique identifier for each specific audit conducted, linking the results to particular tests or checks performed during the evaluation.

Description

Code: description

An in-depth explanation of what the audit assessed, why it is important, and the potential effects of the findings on user experience or performance.

Additional Info

Code: displayValue

A human-readable summary of the audit result, succinctly showing key findings and often quantifying aspects such as sizes or times to clearly illustrate the impact.

Example Items

Code: exampleItems

Specific examples of resources or issues that could be optimized based on the audit findings, aimed at guiding improvements.

Guidance Level

Code: guidanceLevel

The urgency or importance of the recommendations made in the audit, helping prioritize actions.

Items Count

Code: itemsCount

The number of resources or issues analyzed in the audit, providing a scope of the evaluation.

Layout Shift Impact

Code: metricSavingsCls

Potential improvement on the Cumulative Layout Shift score, which measures visual stability of the page.

FCP Savings (ms)

Code: metricSavingsFcp

Estimated time savings on the First Contentful Paint metric, which represents the time until the first content is visible to the user.

INP Savings (ms)

Code: metricSavingsInp

Potential improvements on metrics related to input responsiveness, affecting how quickly a page responds to user interactions.

LCP Savings (ms)

Code: metricSavingsLcp

Estimated time savings on the Largest Contentful Paint, representing when the largest content element in the viewport becomes visible.

TBT Savings (ms)

Code: metricsSavingsTbt

Estimated time savings on the Total Blocking Time, which relates to how interactive a page is.

Numeric Unit

Code: numericUnit

The unit used for numeric results, like milliseconds for timing metrics or bytes for size metrics.

Numeric Value

Code: numericValue

A specific numeric outcome from the audit, applicable to metrics where a direct measurement is possible.

Savings (bytes)

Code: overallSavingsBytes

The estimated amount of data that could be saved in bytes if resources are optimized, suggesting potential reductions in data transfer.

Savings (ms)

Code: overallSavingsMs

The estimated time that could be saved in ms if the suggested improvements are made, highlighting potential efficiency gains.

Score

Code: score

On a scale from 0 to 1, where scores below 0.5 indicate significant issues (Failed), scores from 0.5 to 0.9 imply that improvements are needed (Warning), and scores from 0.9 to 1 indicate high standards are met (Passed). Where the score is not provided, additional data or analysis is required (Needs Info).

Score Display Mode

Code: scoreDisplayMode

The format in which the score is presented, such as numeric or binary, influencing how the results should be interpreted.

Scoring Options Median

Code: scoringOptionsMedian

The median value against which performance is measured, offering a benchmark for comparison.

Scoring Options Percentile

Code: scoringOptionsPercentile

The percentile ranking of the result, indicating how the page's performance compares to other pages.

Title

Code: title

The title of the audit test applied, summarizing the specific standard or performance aspect being evaluated.

URL

Code: url

The URL of the webpage where the audit was conducted, providing the context for the performance and optimization issues identified.

URL Digest

Code: urlDigest

A hashed version of the URL, used for secure and efficient data handling.

Warnings

Code: warnings

Any warnings produced during the audit, alerting to issues that might not directly affect the score but are important to address.

Redirects Chain

Code: redirectsChain

This metric lists all URLs in a redirect chain. To optimize site performance, it is recommended that all internal links point directly to their final URLs, minimizing unnecessary redirections and reducing loading times.

Total Bytes

Code: totalBytes

The total size of all webpage resources in bytes, providing a scale for potential data savings.

Duration (ms)

Code: durationMs

customMetricContainers.SiteSpeed.SiteSpeedAudit.durationMs.description

SiteSpeedAuditItem output table type

Item Index

Code: itemIndex

An index indicating the position of this element within its audit category, helping to order and reference issues systematically.

Audit Item Digest

Code: auditItemDigest

A unique identifier for this particular finding, ensuring each issue can be tracked and managed individually.

Audit ID

Code: auditId

A unique identifier for each audit configuration or test, linking each finding to a specific rule or check defined in Lighthouse.

Blocking Time

Code: blockingTime

The duration in milliseconds during which the resource blocks the main thread, potentially impacting interactivity and perceived responsiveness.

Cache Hit Probability

Code: cacheHitProbability

The likelihood that a resource is served from cache, which can significantly affect loading times and server demand.

Cache Lifetime (ms)

Code: cacheLifetimeMs

The configured lifetime of cache settings for the resource in milliseconds, important for understanding caching strategies.

Debug Data Max Age

Code: debugDataMaxAge

Specifies the maximum age of debugging data used in the audit, which affects the relevance and accuracy of the audit results.

Debug Data Type

Code: debugDataType

The type of debugging data collected, which informs on the technical handling and analysis capabilities during the audit.

Duration (ms)

Code: durationMs

The total duration in milliseconds that the HTML element affects the page, from the start of the related process to its completion.

Element

Code: element

HTML element (e.g., an image, script, or CSS file) associated with the performance issue, which can be optimized to enhance the page's performance.

Entity

Code: entity

A broader categorization grouping related HTML elements, facilitating aggregate analysis and broader insights into web performance.

Failure Type

Code: failureType

Classification of the audit finding into categories like performance, accessibility, security, etc., aiding in targeted remediation efforts.

From Protocol

Code: fromProtocol

The protocol (HTTP or HTTPS) from which the audited resource was loaded, influencing security assessments and performance evaluations.

Hostname

Code: hostname

The server domain hosting the audited URL, relevant for identifying issues at the server configuration or domain-level policies.

Is Cross Origin

Code: isCrossOrigin

Indicates if the resource comes from a different origin than the main page, relevant for security policies and resource loading behaviors.

Layout Shift Impact

Code: layoutShiftImpact

Quantifies the impact of layout shifts caused by the audited element, highlighting how it affects visual stability and user experience.

Node Bounding Rect Bottom

Code: nodeBoundingRectBottom

This metric represents the bottom coordinate of the bounding box for a DOM element, measured in pixels, relative to the viewport.

Node Bounding Rect Height

Code: nodeBoundingRectHeight

This metric represents the height of a DOM element's bounding box, measured in pixels. It indicates the vertical size of the element on the page, which can help assess layout or sizing issues.

Node Bounding Rect Left

Code: nodeBoundingRectLeft

This metric represents the left coordinate of a DOM element's bounding box, measured in pixels. It indicates the horizontal position of the element on the page, which can help assess layout or positioning issues.

Node Bounding Rect Right

Code: nodeBoundingRectRight

This metric represents the right coordinate of a DOM element's bounding box, measured in pixels. It indicates the horizontal position of the element's right edge on the page, which can help assess layout or positioning issues.

Node Bounding Rect Top

Code: nodeBoundingRectTop

This metric represents the top coordinate of a DOM element's bounding box, measured in pixels. It indicates the vertical position of the element's top edge on the page, which can help assess layout or positioning issues.

Node Bounding Rect Width

Code: nodeBoundingRectWidth

This metric represents the width of a DOM element's bounding box, measured in pixels. It indicates the horizontal size of the element on the page, which can help assess layout or sizing issues.

Node Label

Code: nodeNodeLabel

A label or descriptive name for the audited element, often simplifying identification and discussion of the issue among developers.

Node Path

Code: nodePath

The DOM path to the audited element, helping developers navigate complex page structures to locate and resolve issues.

Node Selector

Code: nodeSelector

The CSS selector path that uniquely identifies the audited element within the page, aiding in pinpointing the issue for web developers.

Node Snippet

Code: nodeSnippet

A code snippet of the audited element, providing a direct view into the issue as it exists in the page's HTML or script.

Opportunity ID

Code: opportunityDigest

A unique identifier that groups similar audit issues across pages, helping to aggregate and analyze common opportunities for optimization.

Protocol

Code: protocol

The specific network protocol used for transferring the audited resource, affecting security and performance considerations.

Protocol Reason

Code: protocolReason

Details regarding issues related to the network protocol during the audit, providing deeper insights into data transfer and security concerns.

Reason

Code: reason

A specific explanation for the audit finding, often clarifying the cause of an issue or the rationale behind a recommendation.

Request Start Time

Code: requestStartTime

The timestamp marking the initiation of the resource request, useful for analyzing the sequence and timing of loading events.

Resource URL

Code: resourceUrl

The URL of the specific resource associated with the instance, identifying external dependencies or problematic resources.

Source Column

Code: sourceColumn

The column number at the identified line in the source code, allowing for precise pinpointing of the issue for correction.

Source Line

Code: sourceLine

The line number in the source code where the issue is located, crucial for quick navigation and fixes within large codebases.

Source URL

Code: sourceUrl

The URL of the source file where the issue was detected, often pointing to external scripts or resources that are contributing to the problem.

Script Evaluation Time (ms)

Code: scriptEvaluationTimeMs

The time in milliseconds spent evaluating scripts associated with the HTML element, indicating potential delays or bottlenecks in script execution.

Script Parse Time (ms)

Code: scriptParseTimeMs

The time spent parsing scripts related to the HTML element, useful for identifying delays that affect the speed at which scripts become functional.

Statistic

Code: statistic

A specific performance or optimization statistic related to the instance, offering quantitative insights into the extent of the issue.

Statistic Value

Code: statisticValue

The numerical value of the statistic, providing a precise measure of the audit finding for detailed analysis.

Subitems

Code: subItems

Additional details related to the main audit issue, offering more granular insights or pinpointing specific sub-issues.

# of Subitems

Code: subItemsCount

The number of detailed elements or issues related to the main audit finding, indicating the depth of analysis provided.

TBT Impact

Code: tbtImpact

The impact of the audited element on Total Blocking Time, quantifying its effect on the site's interactivity and responsiveness.

Total Bytes

Code: totalBytes

The size in bytes of the resources examined, highlighting areas where resource optimization could be beneficial.

Total CPU Time (ms)

Code: totalCpuTimeMs

The total CPU time in milliseconds consumed by the processes associated with this HTML element, reflecting the computational demand of the issue.

Transfer Size

Code: transferSize

The total amount of data transferred for this HTML element, including headers, which helps gauge the overall data footprint of the issue.

URL

Code: url

The webpage URL where the specific HTML element was identified, providing context for the reported issue.

URL Digest

Code: urlDigest

A secure hashed version of the URL for efficient handling and referencing in database operations.

Savings (bytes)

Code: wastedBytes

The amount of data in bytes that could potentially be saved, focusing on reducing unnecessary data transfers.

Savings (ms)

Code: wastedMs

The estimated time in ms that could be saved if the identified inefficiencies are corrected, highlighting potential improvements in speed.

Wasted Percent

Code: wastedPercent

The proportion of resources identified as unnecessary or inefficient during this audit, expressed as a percentage.

Wasted WebP Bytes

Code: wastedWebpBytes

The potential byte savings if images were served in the more efficient WebP format, emphasizing opportunities for image optimization.

SiteSpeedDocument output table type

cumulativeLayoutShift

Code: cumulativeLayoutShift

customMetricContainers.SiteSpeed.SiteSpeedDocument.cumulativeLayoutShift.description

cumulativeLayoutShiftScore

Code: cumulativeLayoutShiftScore

customMetricContainers.SiteSpeed.SiteSpeedDocument.cumulativeLayoutShiftScore.description

cumulativeLayoutShiftMainFrame

Code: cumulativeLayoutShiftMainFrame

customMetricContainers.SiteSpeed.SiteSpeedDocument.cumulativeLayoutShiftMainFrame.description

firstContentfulPaint

Code: firstContentfulPaint

customMetricContainers.SiteSpeed.SiteSpeedDocument.firstContentfulPaint.description

firstContentfulPaintScore

Code: firstContentfulPaintScore

customMetricContainers.SiteSpeed.SiteSpeedDocument.firstContentfulPaintScore.description

firstMeaningfulPaint

Code: firstMeaningfulPaint

customMetricContainers.SiteSpeed.SiteSpeedDocument.firstMeaningfulPaint.description

interactive

Code: interactive

customMetricContainers.SiteSpeed.SiteSpeedDocument.interactive.description

largestContentfulPaint

Code: largestContentfulPaint

customMetricContainers.SiteSpeed.SiteSpeedDocument.largestContentfulPaint.description

largestContentfulPaintScore

Code: largestContentfulPaintScore

customMetricContainers.SiteSpeed.SiteSpeedDocument.largestContentfulPaintScore.description

lcpInvalidated

Code: lcpInvalidated

customMetricContainers.SiteSpeed.SiteSpeedDocument.lcpInvalidated.description

lcpLoadEnd

Code: lcpLoadEnd

customMetricContainers.SiteSpeed.SiteSpeedDocument.lcpLoadEnd.description

lcpLoadStart

Code: lcpLoadStart

customMetricContainers.SiteSpeed.SiteSpeedDocument.lcpLoadStart.description

lighthouseCheckRun

Code: lighthouseCheckRun

customMetricContainers.SiteSpeed.SiteSpeedDocument.lighthouseCheckRun.description

maxPotentialFid

Code: maxPotentialFid

customMetricContainers.SiteSpeed.SiteSpeedDocument.maxPotentialFid.description

sitespeedScore

Code: sitespeedScore

customMetricContainers.SiteSpeed.SiteSpeedDocument.sitespeedScore.description

speedIndex

Code: speedIndex

customMetricContainers.SiteSpeed.SiteSpeedDocument.speedIndex.description

speedIndexScore

Code: speedIndexScore

customMetricContainers.SiteSpeed.SiteSpeedDocument.speedIndexScore.description

timeToFirstByte

Code: timeToFirstByte

customMetricContainers.SiteSpeed.SiteSpeedDocument.timeToFirstByte.description

totalBlockingTime

Code: totalBlockingTime

customMetricContainers.SiteSpeed.SiteSpeedDocument.totalBlockingTime.description

totalBlockingTimeScore

Code: totalBlockingTimeScore

customMetricContainers.SiteSpeed.SiteSpeedDocument.totalBlockingTimeScore.description

Accessibility module​

AccessibilityIssues container​

Accessibility output table type​

Rule ID​

Issue ID​

Instance Index​

URL Digest​

Issue Severity​

URL​

Axe Results Group​

Resolved Results Group​

Needs Manual Review​

Element Selector ID​

Element Selector​

Element Source​

Issue Description​

Instance Count​

properties​

Basic container​

Document output table type​

Adult Rating​

HTTP headers​

Breadcrumb Count​

Breadcrumb Item List​

Cache Control​

Charset HTTP Equiv Content Type​

Charset Meta​

Charset Meta Tag​

Content Text Size​

Crawl Datetime​

Crawl Id​

Meta Description​

Disallowed​

Error Code​

Exclusion Reason​

File Extension​

Found At URL​

Found At URL Digest​

Header Content Type​

Header Last Modified​

HTML Size​

ID​

Image Size​

Is Internal​

Is Redirect​

Is Redirect Loop​

Level​

Meta Refresh Duration (sec)​

Meta Refresh Redirect​

No Page Read Aloud​

No Site Links Search Box​

Page Group​

Page H1 Tags​

Page Title​

Redirect Chain​

Redirect Count​

Redirects To​

Redirects To Digest​

Request Duration​

Resource Type​

Response Content Length​

Responsive​

Robots Txt Rule Match​

Script Size​

Status Code​

Step Type​

Stylesheet Size​

Transfer Size​

URL​

URL Alias​

URL Alias Digest​

URL Digest​

URL HTTPs​

URL Length​

Viewport​

BasicHtmlExtraction container​

Document output table type​

Legacy HTML Extraction​

Legacy HTML Extraction Errors​

Legacy HTML Extraction Match​

Accessibility module

AccessibilityIssues container

Accessibility output table type

Rule ID

Issue ID

Instance Index

URL Digest

Issue Severity

URL

Axe Results Group

Resolved Results Group

Needs Manual Review

Element Selector ID

Element Selector

Element Source

Issue Description

Instance Count

properties

Basic container

Document output table type

Adult Rating

HTTP headers

Breadcrumb Count

Breadcrumb Item List

Cache Control

Charset HTTP Equiv Content Type

Charset Meta

Charset Meta Tag

Content Text Size

Crawl Datetime

Crawl Id

Meta Description

Disallowed

Error Code

Exclusion Reason

File Extension

Found At URL

Found At URL Digest

Header Content Type

Header Last Modified

HTML Size

ID

Image Size

Is Internal

Is Redirect

Is Redirect Loop

Level

Meta Refresh Duration (sec)

Meta Refresh Redirect

No Page Read Aloud

No Site Links Search Box

Page Group

Page H1 Tags

Page Title

Redirect Chain

Redirect Count

Redirects To

Redirects To Digest

Request Duration

Resource Type

Response Content Length

Responsive

Robots Txt Rule Match

Script Size

Status Code

Step Type

Stylesheet Size

Transfer Size

URL

URL Alias

URL Alias Digest

URL Digest

URL HTTPs

URL Length

Viewport

BasicHtmlExtraction container

Document output table type

Legacy HTML Extraction

Legacy HTML Extraction Errors

Legacy HTML Extraction Match