# Slow Time to First Byte

All HTML pages with a 200 HTTP status code and a Time to First Byte (TTFB) slower than 600 milliseconds (Google recommends TTFB of 200 ms or faster).

**Priority**: Low

**Impact**: Negative

## What issues it may cause

Pages with a high TTFB may cause a poor user-experience and could negatively affect the rankings in search engine results resulting in less traffic and conversions.

A very high TTFB may cause Search Engines to stop crawling and indexing your pages.

## How do you fix it

The pages should be investigated using tools like [PageSpeed Insights](https://pagespeed.web.dev/) to identify the issues that may be causing them to have a high TTFB.

## What is the positive impact

Lowering the TTFB may;

<ul>
  <li>provide a better user-experience that could positively affect conversion rates.</li>
  <li>result in higher rankings in search results leading to an increase in traffic and conversions.</li>
  <li>
    increase crawl rate of search engines which could result in your pages being discovered faster and updated more
    frequently.
  </li>
</ul>

## How to fetch the data for this report template

You will need to run a crawl for report template to generate report. When report has been generated and you have
crawl id you can fetch data for the report using the following query:


```graphql
query GetReportStatForCrawl(
      $crawlId: ObjectID!
      $reportTemplateCode: String!
      $after: String
     ) {
        getReportStat(
          input: {crawlId: $crawlId, reportTemplateCode: $reportTemplateCode}
        ) {
          crawlUrls(after: $after, reportType: Basic) {
            nodes {
              pageTitle
              url
              description
              foundAtUrl
              performanceTtfb
              deeprank
              level
              contentSize
              htmlSize
              foundInGoogleAnalytics
              foundInGoogleSearchConsole
              foundInBacklinks
              foundInList
              foundInLogSummary
              foundInWebCrawl
              foundInSitemap
            }
            totalCount
            pageInfo {
              endCursor
              hasNextPage
            }
          }
       }
     }
```

**Variables:**
```json
{"crawlId":"TjAwNUNyYXdsNDAwMA","reportTemplateCode":"slow_server_response"}
```