Tested 2025-07-25 16:56:30 using Chrome 138.0.7204.49 (runtime settings).
| Metric | Value |
|---|---|
| Page metrics | |
| Performance score | 70 |
| Total page size | 388.8 KB |
| Requests | 17 |
| Timing metrics | |
| TTFB | 322 ms |
| First Paint | 476 ms |
| Fully Loaded | 5.324 s |
| Google Web Vitals | |
| TTFB | 322 ms |
| First Contentful Paint (FCP) | 476 ms |
| Largest Contentful Paint (LCP) | 476 ms |
| Cumulative Layout Shift (CLS) | 0.02 |
| 120 ms | |
| Total Blocking Time | 2.205 s |
| Max Potential FID | 656 ms |
| CPU metrics | |
| CPU long tasks | 10 |
| CPU last long task happens at | 4.586 s |
| Visual Metrics | |
| First Visual Change | 466 ms |
| Speed Index | 911 ms |
| Visual Complete 85% | 1.066 s |
| Visual Complete 99% | 5.766 s |
| Last Visual Change | 5.766 s |
Use--filmstrip.showAll to show all filmstrips.
0 s0.4 sDOM Content Loaded Time 340 ms
0.5 sFirst Visual Change 466 msFirst Contentful Paint 476 msLCP <DIV> ZEWft5 476 ms
0.6 sCPU Long Task duration 51 ms
0.7 sCPU Long Task duration 148 ms
0.8 sLayout Shift 0.00672 784 ms
0.9 s1 sPage Load Time 987 ms
1.1 sLayout Shift 0.01191 1.047 sVisual Complete 85% 1.066 s
1.2 sCPU Long Task duration 72 ms
1.3 s
1.4 s
1.5 sCPU Long Task duration 314 ms
1.6 s
1.7 s
1.8 sCPU Long Task duration 466 ms
1.9 s
2 s
2.1 s
2.2 s
2.3 s
2.4 s
2.5 sCPU Long Task duration 138 ms
2.6 s
2.7 s
2.8 s
2.9 s
3 sCPU Long Task duration 469 ms
3.1 s
3.2 s
3.3 s
3.4 s
3.5 sCPU Long Task duration 182 ms
3.6 s
3.7 s
3.8 s
3.9 s
4 s
4.1 s
4.2 s
4.3 sCPU Long Task duration 209 ms
4.4 s
4.5 s
4.6 sCPU Long Task duration 656 ms
4.7 s
4.8 s
4.9 s
5 s
5.1 s
5.2 s
5.3 s
5.4 sFully Loaded 5.324 sVisual Complete 95% 5.400 s
5.6 s
5.7 s
5.8 sLast Visual Change 5.766 sVisual Complete 99% 5.766 sThe coach helps you find performance problems on your web page using web performance best practice rules. And gives you advice on privacy and best practices. Tested using Coach-core version 8.1.1.
| Title | Advice | Score | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avoid CPU Long Tasks (longTasks) | The page has 10 CPU long tasks with the total of 2.705 s. The total blocking time is 2.205 s . However the CPU Long Task is depending on the computer/phones actual CPU speed, so you should measure this on the same type of the device that your user is using. Use Geckoprofiler for Firefox or Chromes tracelog to debug your long tasks. | 0 | ||||||||||||
| Description: Long CPU tasks locks the thread. To the user this is commonly visible as a "locked up" page where the browser is unable to respond to user input; this is a major source of bad user experience on the web today. However the CPU Long Task is depending on the computer/phones actual CPU speed, so you should measure this on the same type of the device that your user is using. To debug you should use the Chrome timeline log and drag/drop it into devtools or use Firefox Geckoprofiler. | ||||||||||||||
| Offenders: | ||||||||||||||
| Avoid doing redirects (assetsRedirects) | The page has 3 redirects. 3 of the redirects are from the base domain, please fix them! | 70 | ||||||||||||
| Description: A redirect is one extra step for the user to download the asset. Avoid that if you want to be fast. Redirects are even more of a showstopper on mobile. | ||||||||||||||
| Offenders: | ||||||||||||||
| Avoid extra requests by setting cache headers (cacheHeaders) | The page has 11 requests that are missing a cache time. Configure a cache time so the browser doesn't need to download them every time. It will save 121.8 kB the next access. | 0 | ||||||||||||
| Description: The easiest way to make your page fast is to avoid doing requests to the server. Setting a cache header on your server response will tell the browser that it doesn't need to download the asset again during the configured cache time! Always try to set a cache time if the content doesn't change for every request. | ||||||||||||||
| Offenders: | ||||||||||||||
| Always compress text content (compressAssets) | The page has 1 request that are served uncompressed. You could save a lot of bytes by sending them compressed instead. | 90 | ||||||||||||
| Description: In the early days of the Internet there were browsers that didn't support compressing (gzipping) text content. They do now. Make sure you compress HTML, JSON, JavaScript, CSS and SVG. It will save bytes for the user; making the page load faster and use less bandwith. | ||||||||||||||
Offenders:
| ||||||||||||||
| Avoid redirecting the main document (documentRedirect) | The main document gets redirected 3 time(s). Remove those redirect and make the page faster! | 0 | ||||||||||||
| Description: You should never ever redirect the main document, because it will make the page load slower for the user. Well, you should redirect the user if the user tries to use HTTP and there's an HTTPS version of the page. The coach checks for that. :) | ||||||||||||||
| Offenders: | ||||||||||||||
| Total JavaScript size shouldn't be too big (javascriptSize) | The total JavaScript transfer size is 126.4 kB and the uncompressed size is 322.6 kB. This is quite large. | 50 | ||||||||||||
| Description: A lot of JavaScript often means you are downloading more than you need. How complex is the page and what can the user do on the page? Do you use multiple JavaScript frameworks? | ||||||||||||||
Offenders:
| ||||||||||||||
| Don't use private headers on static content (privateAssets) | The page has 3 requests with private headers. Make sure that the assets really should be private and only used by one user. Otherwise, make it cacheable for everyone. | 70 | ||||||||||||
| Description: If you set private headers on content, that means that the content are specific for that user. Static content should be able to be cached and used by everyone. Avoid setting the cache header to private. | ||||||||||||||
| Offenders: | ||||||||||||||
| Avoid missing and error requests (responseOk) | The page has 2 error responses. The page has 1 response with code 401. The page has 1 response with code 403. | 80 | ||||||||||||
| Description: Your page should never request assets that return a 400 or 500 error. These requests are never cached. If that happens something is broken. Please fix it. | ||||||||||||||
| Offenders: | ||||||||||||||
| Title | Advice | Score |
|---|---|---|
| Meta description (metaDescription) | The page is missing a meta description. | 0 |
| Description: Use a page description to make the page more relevant to search engines. | ||
| Do not send too long headers (longHeaders) | https://gitlab.com/d...d/merge_requests/ has a header content-security-policy that is 1648 characters long. https://gitlab.com/d...d/merge_requests/ has a header content-security-policy that is 1648 characters long. https://gitlab.com/users/sign_in has a header content-security-policy that is 1648 characters long. https://gitlab.com/favicon.ico has a header content-security-policy that is 1621 characters long. https://gitlab.com/a...b2b82aa5143ef.png has a header content-security-policy that is 1621 characters long. https://gitlab.com/favicon.ico has a header content-security-policy that is 1621 characters long. https://challenges.c...vPN7UHdVLYI1yMRzT has a header cf-chl-gen that is 857 characters long. https://challenges.c...4/3TCmWk65Zod8BjP has a header www-authenticate that is 1913 characters long. | 92 |
| Description: Do not send response headers that are too long. | ||
| Offenders: | ||
| Avoid too many third party requests (thirdParty) | The page do 47% requests to third party domains (8 requests and 324.7 kB). First party is 9 requests and 73.4 kB. The page transfer more bytes from third party domains (324.7 kB) then first party (73.4 kB). The regex .*gitlab.* was used to calculate first/third party requests. | 0 |
| Description: Do not load most of your content from third party URLs. | ||
| Avoid unnecessary headers (unnecessaryHeaders) | There are 16 responses that sets a server header. | 84 |
| Description: Do not send headers that you don't need. We look for p3p, cache-control and max-age, pragma, server and x-frame-options headers. Have a look at Andrew Betts - Headers for Hackers talk as a guide https://www.youtube.com/watch?v=k92ZbrY815c or read https://www.fastly.com/blog/headers-we-dont-want. | ||
| Offenders: | ||
| Title | Advice | Score |
|---|---|---|
| Set a referrer-policy header to make sure you do not leak user information. (referrerPolicyHeader) | Set a referrer-policy header to make sure you do not leak user information. | 0 |
| Description: Referrer Policy is a new header that allows a site to control how much information the browser includes with navigations away from a document and should be set by all sites. https://scotthelme.co.uk/a-new-security-header-referrer-policy/. | ||
| Offenders: | ||
| Set a strict transport header to make sure the user always use HTTPS. (strictTransportSecurityHeader) | A strict transport header is set but miss out on setting includeSubDomains | 90 |
| Description: The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP. https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security. | ||
| Offenders: | ||
| Page info | |
|---|---|
| Title | Just a moment... |
| Width | 1350 |
| Height | 699 |
| DOM elements | 41 |
| Avg DOM depth | 5 |
| Max DOM depth | 8 |
| Iframes | 0 |
| Script tags | 3 |
| Local storage | 0 b |
| Session storage | 0 b |
| Network Information API | 4g |
Data collected using Wappalyzer version 6.10.66. With updated code from Webappanalyzer 2024-12-27. Use --browsertime.firefox.includeResponseBodies htmlor --browsertime.chrome.includeResponseBodies htmlto help Wappalyzer find more information about technologies used.
| Technology | Confidence | Category |
|---|---|---|
| GitLab | 100 | Issue trackers Development |
| Ruby | 100 | Programming languages |
| Ruby on Rails | 100 | Web frameworks |
| Vue.js | 100 | JavaScript frameworks |
| HSTS | 100 | Security |
| Cloudflare | 100 | CDN |
| HTTP/3 | 100 | Miscellaneous |
| Visual Metrics | |
|---|---|
| First Visual Change | 466 ms |
| Speed Index | 911 ms |
| Visual Complete 85% | 1.066 s |
| Visual Complete 95% | 5.400 s |
| Visual Complete 99% | 5.766 s |
| Last Visual Change | 5.766 s |
| Visual Readiness | 5.300 s |
| Navigation Timing | |
|---|---|
| backEndTime | 322 ms |
| domContentLoadedTime | 340 ms |
| domInteractiveTime | 340 ms |
| domainLookupTime | 0 ms |
| frontEndTime | 664 ms |
| pageDownloadTime | 2 ms |
| pageLoadTime | 987 ms |
| redirectionTime | 292 ms |
| serverConnectionTime | 0 ms |
| serverResponseTime | 26 ms |
| Google Web Vitals | |
|---|---|
| Time to first byte (TTFB) | 322 ms |
| First Contentful Paint (FCP) | 476 ms |
| Largest Contentful Paint (LCP) | 476 ms |
| Cumulative Layout Shift (CLS) | 0.02 |
| Interaction to next paint (INP) | 120 ms |
| Total Blocking Time (TBT) | 2.205 s |
| Extra timings | |
|---|---|
| TTFB | 322 ms |
| First Paint | 476 ms |
| Load Event End | 987 ms |
| Fully loaded | 5.324 s |
When in time the page main content is rendered (collected using the Largest Contentful Paint API). Read more about Largest Contentful Paint.
| Element type | DIV |
| Element/tag | <div id="ZEWft5" class="core-msg spacer spacer-top"></div> |
| Render time | 476 ms |
| Element render delay | 154 ms |
| TTFB | 322 ms |
| Resource delay | 0 ms |
| Resource load duration | 0 ms |
| Element id | ZEWft5 |
| Load time | 0 ms |
| Size (width*height) | 50816 |
| DOM path | |
| div:eq(0) > div > div#ZEWft5> div:eq(0) > div > div#ZEWft5> | |
The largest contentful paint is highlighted in the image. If no element is highlighted the element was removed before the screenshot or the LCP API couldn't find the element.
0.01863 cumulative layout shift collected from the Cumulative Layout Shift API.
These HTML elements contribute most to the Cumulative Layout Shifts of the page. The higher score, the more layout shift.
| Score | HTML Element |
|---|---|
| 0.01191 | <div id="ZEWft5" class="core-msg spacer spacer-top"></div>,<div class="footer" role="contentinfo"></div> |
| body > div:eq(0) > div > div#ZEWft5,body > div:eq(1) | |
| 0.00672 | <div id="ZEWft5" class="core-msg spacer spacer-top"></div>,<div class="footer" role="contentinfo"></div> |
| body > div:eq(0) > div > div#ZEWft5,body > div:eq(1) | |
The elements that have shifted place is highlighted in the image (that have a higher value than 0.01). If the element shifted outside of the viewport, you will not see it there. It can be hard to understand what content that has shifted, if that's the case, checkout the video or the filmstrip of the run.
Interaction to Next Paint (INP) is a metric that try to measure responsiveness. It's useful if you are testing user journeys. Read more about Interaction to Next Paint.
The measured latency was 120 ms.
| Event type | pointerover |
| Element type | BODY |
| Element class name | |
| Event target | html>body |
| Load state when the event happened | dom-content-loaded |
Read more about the Long Animation Frames API here here.
The top 10 longest animation frames entries
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 420 ms | 469.3 ms | 1 ms | 0.1 ms | 0.9 ms |
| No availible script information. | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 416.8 ms | 473.8 ms | 0.6 ms | 0.5 ms | 0.1 ms |
| No availible script information. | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 265.4 ms | 315 ms | 0.7 ms | 0.1 ms | 0.6 ms |
| No availible script information. | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 248.2 ms | 298.3 ms | 0.3 ms | 0 ms | 0.3 ms |
| No availible script information. | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 231 ms | 280.2 ms | 1.2 ms | 0.1 ms | 1.1 ms |
| No availible script information. | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 188.4 ms | 238.7 ms | 0.3 ms | 0 ms | 0.3 ms |
| No availible script information. | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 160.2 ms | 209.9 ms | 0.6 ms | 0.6 ms | 0 ms |
| No availible script information. | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 133 ms | 194.2 ms | 0.7 ms | 0.7 ms | 0 ms |
| No availible script information. | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 99.5 ms | 153 ms | 1 ms | 0 ms | 1 ms |
| https://gitlab.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=964d30ec3b97afb9 | ||||
Invoker: XMLHttpRequest.onreadystatechange | ||||
| Blocking duration | Work duration | Render duration | PreLayout Duration | Style And Layout Duration |
|---|---|---|---|---|
| 88.7 ms | 138.8 ms | 0.3 ms | 0 ms | 0.3 ms |
| No availible script information. | ||||
| name | duration | description |
|---|---|---|
| chlray | 0 | 964d30ec3b97afb9 |
There are no custom configured scripts.
There are no custom extra metrics from scripting.
| name | value |
|---|---|
| AudioHandlers | 0 |
| AudioWorkletProcessors | 0 |
| Documents | 4 |
| Frames | 3 |
| JSEventListeners | 34 |
| LayoutObjects | 89 |
| MediaKeySessions | 0 |
| MediaKeys | 0 |
| Nodes | 236 |
| Resources | 4 |
| ContextLifecycleStateObservers | 9 |
| V8PerContextDatas | 3 |
| WorkerGlobalScopes | 2 |
| UACSSResources | 0 |
| RTCPeerConnections | 0 |
| ResourceFetchers | 6 |
| AdSubframes | 0 |
| DetachedScriptStates | 21 |
| ArrayBufferContents | 2 |
| LayoutCount | 29 |
| RecalcStyleCount | 63 |
| LayoutDuration | 71 |
| RecalcStyleDuration | 17 |
| DevToolsCommandDuration | 23 |
| ScriptDuration | 3128 |
| V8CompileDuration | 1 |
| TaskDuration | 4706 |
| TaskOtherDuration | 1466 |
| ThreadTime | 4 |
| ProcessTime | 9 |
| JSHeapUsedSize | 55085128 |
| JSHeapTotalSize | 127561728 |
| FirstMeaningfulPaint | 472 |
How the page is built.
| Summary | |
|---|---|
| HTTP version | HTTP/2.0 |
| Total requests | 17 |
| Total domains | 2 |
| Total transfer size | 388.8 KB |
| Total content size | 680.6 KB |
| Responses missing compression | 8 |
| Number of cookies | 1 |
| Third party cookies | 0 |
| Requests per response code | |
|---|---|
| 200 | 10 |
| 301 | 2 |
| 302 | 2 |
| 307 | 1 |
| 401 | 1 |
| 403 | 1 |
| URL | Type | Transfer Size | Content Size |
|---|---|---|---|
| https://challenges.c...vPN7UHdVLYI1yMRzT | plain | 211.3 KB | 283.0 KB |
| https://challenges.c...strate/chl_api/v1 | javascript | 57.3 KB | 139.3 KB |
| https://gitlab.com/c...trate/chl_page/v1 | javascript | 49.9 KB | 127.9 KB |
| https://challenges.c...vPN7UHdVLYI1yMRzT | plain | 21.8 KB | 28.7 KB |
| https://challenges.c...59bcf47b68/api.js | javascript | 16.3 KB | 47.8 KB |
| https://gitlab.com/c...0plY29kk7t_seY0tP | plain | 14.7 KB | 19.1 KB |
| https://challenges.c.../new/normal/auto/ | html | 8.1 KB | 26.5 KB |
| https://gitlab.com/users/sign_in | html | 5.8 KB | 7.1 KB |
| https://challenges.c...4/3TCmWk65Zod8BjP | plain | 1.7 KB | 1 B |
| https://gitlab.com/a...b2b82aa5143ef.png | image | 1.3 KB | 591 B |
| https://challenges.c...3/k-HZ7mxzLyy3zlC | image | 598 B | 474 B |
| https://challenges.c...latform/h/b/cmg/1 | image | 208 B | 86 B |
| https://gitlab.com/d...d/merge_requests/ | html | N/A | 0 b |
| https://gitlab.com/d...d/merge_requests/ | html | N/A | 0 b |
| https://gitlab.com/favicon.ico | html | N/A | 0 b |
| https://gitlab.com/favicon.ico | html | N/A | 0 b |
| https://gitlab.com/users/sign_in | other | N/A | 0 b |
| Content | Header Size | Transfer Size | Content Size | Requests |
|---|---|---|---|---|
| html | 0 b | 8.1 KB | 26.5 KB | 1 |
| javascript | 0 b | 123.4 KB | 315.1 KB | 3 |
| image | 0 b | 2.1 KB | 1.1 KB | 3 |
| plain | 0 b | 247.7 KB | 330.8 KB | 3 |
| Total | 0 b | 381.3 KB | 673.5 KB | 10 |
| Domain | Total download time | Transfer Size | Content Size | Requests |
|---|---|---|---|---|
| gitlab.com | 643 ms | 71.7 KB | 154.7 KB | 9 |
| challenges.cloudflare.com | 622 ms | 317.1 KB | 525.9 KB | 8 |
| type | min | median | max |
|---|---|---|---|
| Expires | 0 seconds | 0 seconds | 1 year |
| Last modified | 4 days | 4 days | 4 days |
Included requests done after load event end.
| Content | Transfer Size | Requests |
|---|---|---|
| html | 0 b | 0 |
| css | 0 b | 0 |
| javascript | 0 b | 0 |
| image | 598 B | 1 |
| font | 0 b | 0 |
| plain | 233.0 KB | 2 |
| Total | 235.3 KB | 5 |
Includes requests done after DOM content loaded.
| Content | Transfer Size | Requests |
|---|---|---|
| html | 8.1 KB | 1 |
| css | 0 b | 0 |
| javascript | 73.5 KB | 2 |
| image | 2.1 KB | 3 |
| font | 0 b | 0 |
| plain | 247.7 KB | 3 |
| Total | 333.1 KB | 12 |
Third party requests categorised by Third party web version 0.26.2.
| Category | Requests |
|---|
| Category | Number of tools |
|---|
Here's a list of domains that didn't match any tool in Third party web. If you are sure they are third party domains, please do a PR to that project. You can also fine tune the list using --firstParty.
| challenges.cloudflare.com |
Calculated using .*gitlab.* (use --firstParty to configure).
| Content | Header Size | Transfer Size | Content Size | Requests |
|---|---|---|---|---|
| html | 0 b | 0 b | 0 b | 0 |
| css | 0 b | 0 b | 0 b | 0 |
| javascript | 0 b | 49.9 KB | 127.9 KB | 1 |
| image | 0 b | 1.3 KB | 591 B | 1 |
| font | 0 b | 0 b | 0 b | 0 |
| plain | 0 b | 14.7 KB | 19.1 KB | 1 |
| Total | 82 B | 71.7 KB | 154.7 KB | 9 |
| Content | Header Size | Transfer Size | Content Size | Requests |
|---|---|---|---|---|
| html | 0 b | 8.1 KB | 26.5 KB | 1 |
| css | 0 b | 0 b | 0 b | 0 |
| javascript | 0 b | 73.5 KB | 187.1 KB | 2 |
| image | 0 b | 806 B | 560 B | 2 |
| font | 0 b | 0 b | 0 b | 0 |
| plain | 0 b | 233.0 KB | 311.7 KB | 2 |
| Total | N/A | 317.1 KB | 525.9 KB | 8 |
afterPageCompleteCheck.jpg
layoutShift.jpg
largestContentfulPaint.jpg
