Page summary

https://prep.xelta.ai/flow/ai-lords/player

Tested 2026-07-31 15:23:46 using Chrome 150.0.7871.186 (runtime settings)

SummaryWaterfallMetricsRenderingCoachPageXrayCPUThird party

This page is visually stable and follows best practices, but slow to paint, a little janky to interact with, weak on user privacy and heavy to download.

74 / 100
Coach overall
75 / 100
Performance
91 / 100
Best practice
66 / 100
Privacy

How it loaded →

0 → 7.766 s · median run
Frame at 0 ms
start
Frame at 2300 ms
2.300 s
Frame at 3700 ms
Largest paint3.700 s
Frame at 5000 ms
5.000 s
Frame at 6400 ms
6.400 s
Frame at 7800 ms
Complete7.800 s
766 ms
First Visual Change
1.831 s
Speed Index
1.566 s
Visual Complete 85%
7.766 s
Last Visual Change
TTFB282 msLCP3.260 sTBT353 msCLS0.03

What to act on · top recommendations

Avoid using Google Tag Manager.

0 / 100

The page is using Google Tag Manager, this is a performance risk since non-tech users can add JavaScript to your page.

Avoid CPU Long Tasks

0 / 100

The page has 9 CPU long tasks with the total of 1.251 s. The total blocking time is 353 ms and 5 long tasks before first contentful paint with total time of 698 ms. 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.

Avoid extra requests by setting cache headers

0 / 100

The page has 24 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 93.9 kB the next access.

Google Web Vitals

min · median · mean · max of 1 run
MetricMinMedianMeanMax
Time To First Byte (TTFB)282 ms282 ms282 ms282 ms
Largest Contentful Paint (LCP)3.260 s3.260 s3.260 s3.260 s
Cumulative Layout Shift (CLS)0.03130.03130.03130.0313

Visual Metrics

min · median · mean · max of 1 run
MetricMinMedianMeanMax
First visual change766 ms766 ms766 ms766 ms
Last visual change7.766 s7.766 s7.766 s7.766 s
Speed index1.831 s1.831 s1.831 s1.831 s
Visual readiness7.000 s7.000 s7.000 s7.000 s
Visual complete 851.566 s1.566 s1.566 s1.566 s
Visual complete 953.266 s3.266 s3.266 s3.266 s
Visual complete 997.633 s7.633 s7.633 s7.633 s

CPU

min · median · mean · max of 1 run
MetricMinMedianMeanMax
Total Blocking Time353 ms353 ms353 ms353 ms
Max Potential FID281 ms281 ms281 ms281 ms
CPU long tasks 9999
CPU last long task happens at2.915 s2.915 s2.915 s2.915 s

More metrics

min · median · mean · max of 1 run
MetricMinMedianMeanMax
First paint1.268 s1.268 s1.268 s1.268 s
Load event end883 ms883 ms883 ms883 ms

Waterfall

Run 1 SpeedIndex median

First paintFCPLCPDOMContentLoadedDOM interactiveLoadRender-blockingRedirectError

Rendering

Run 1 · median
0.000 s
0s2s4s6s8s

The red band on the timeline marks when the main thread was busy with long tasks: moments when the page could not paint or respond, however the video looks.

Download video

Filmstrip

70 frames

Use --filmstrip.showAll to show all filmstrips.

Frame at 0 ms
0 ms
0 %
Frame at 800 ms
800 ms
0 %
Frame at 900 ms
900 ms
0 %
Frame at 1.000 s
1.000 s
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Frame at 1.100 s
1.100 s
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Frame at 1.300 s
1.300 s
0 %
Frame at 1.400 s
1.400 s
0 %
Frame at 1.500 s
1.500 s
0 %
Frame at 1.600 s
1.600 s
92 %
Frame at 1.700 s
1.700 s
92 %
Frame at 2.000 s
2.000 s
92 %
Frame at 2.100 s
2.100 s
92 %
Frame at 2.200 s
2.200 s
92 %
Frame at 2.300 s
2.300 s
92 %
Frame at 2.400 s
2.400 s
92 %
Frame at 2.500 s
2.500 s
92 %
Frame at 2.600 s
2.600 s
92 %
Frame at 2.700 s
2.700 s
92 %
Frame at 2.800 s
2.800 s
92 %
Frame at 2.900 s
2.900 s
92 %
Frame at 3.000 s
3.000 s
93 %
Frame at 3.100 s
3.100 s
93 %
Frame at 3.200 s
3.200 s
93 %
Frame at 3.300 s
3.300 s
97 %
Frame at 3.400 s
3.400 s
97 %
Frame at 3.500 s
3.500 s
97 %
Frame at 3.600 s
3.600 s
97 %
Frame at 3.700 s
3.700 s
97 %
Frame at 3.800 s
3.800 s
97 %
Frame at 3.900 s
3.900 s
97 %
Frame at 4.000 s
4.000 s
97 %
Frame at 4.100 s
4.100 s
97 %
Frame at 4.200 s
4.200 s
97 %
Frame at 4.300 s
4.300 s
97 %
Frame at 4.400 s
4.400 s
97 %
Frame at 4.500 s
4.500 s
97 %
Frame at 4.600 s
4.600 s
97 %
Frame at 4.700 s
4.700 s
97 %
Frame at 4.800 s
4.800 s
97 %
Frame at 4.900 s
4.900 s
97 %
Frame at 5.000 s
5.000 s
97 %
Frame at 5.100 s
5.100 s
97 %
Frame at 5.200 s
5.200 s
97 %
Frame at 5.300 s
5.300 s
97 %
Frame at 5.400 s
5.400 s
97 %
Frame at 5.500 s
5.500 s
97 %
Frame at 5.600 s
5.600 s
97 %
Frame at 5.700 s
5.700 s
97 %
Frame at 5.800 s
5.800 s
97 %
Frame at 5.900 s
5.900 s
97 %
Frame at 6.000 s
6.000 s
97 %
Frame at 6.100 s
6.100 s
97 %
Frame at 6.200 s
6.200 s
97 %
Frame at 6.300 s
6.300 s
97 %
Frame at 6.400 s
6.400 s
97 %
Frame at 6.500 s
6.500 s
97 %
Frame at 6.600 s
6.600 s
97 %
Frame at 6.700 s
6.700 s
97 %
Frame at 6.800 s
6.800 s
97 %
Frame at 6.900 s
6.900 s
97 %
Frame at 7.000 s
7.000 s
97 %
Frame at 7.100 s
7.100 s
97 %
Frame at 7.200 s
7.200 s
97 %
Frame at 7.300 s
7.300 s
97 %
Frame at 7.400 s
7.400 s
97 %
Frame at 7.500 s
7.500 s
97 %
Frame at 7.600 s
7.600 s
97 %
Frame at 7.700 s
7.700 s
99 %
Frame at 7.800 s
7.800 s
100 %

Click a frame to seek the video to that moment. The dot marks frames where the page changed visually.

Why was rendering delayed?

Rendering was not meaningfully delayed. First paint landed at 1.564 s on a 282 ms first byte; the 2 render-blocking requests were done by 551 ms and the remaining ~1.013 s is style, layout and web-font loading. The largest paint followed at 3.260 s.

Want to see how much CSS style-recalculation work delayed FCP and LCP, plus CPU long tasks? Run with --cpu.

Render blocking requests

27 requests · 508.4 KB

Blocking requests delay both paints: the browser renders nothing until they arrive, so they push First Contentful Paint and everything after it, including the largest paint (LCP). Requests that block the parser inside the body stall everything after them in the document. Load JavaScript with defer or async, and keep non-critical CSS off the critical path with media attributes. Bars show when each request loaded on a clock that runs to the last paint (the dashed line is FCP, the clock ends at LCP); the gap after the bars is style and layout work. Web fonts are context, not blockers: text renders invisible or in a fallback face while they load, so a font finishing after a paint is the classic reason text changed late.

RequestWhen it loadedTransferDownload
document
prep.xelta.ai · TTFB 282 ms
276 ms
19.7 KB274 ms
css · prep.xelta.ai
244 ms
73.2 KB244 ms
css · prep.xelta.ai
66 ms
1.4 KB66 ms
0txbx.t2.djk5.jspotentially blocking
javascript · prep.xelta.ai
295 ms
3.6 KB295 ms
0y0ijhqmszjlv.jspotentially blocking
javascript · prep.xelta.ai
281 ms
70.7 KB281 ms
0vh93s1co9ess.jspotentially blocking
javascript · prep.xelta.ai
277 ms
41.7 KB277 ms
02fvhu.~ed9tm.jspotentially blocking
javascript · prep.xelta.ai
258 ms
43.7 KB258 ms
0fg44qzichqiw.jspotentially blocking
javascript · prep.xelta.ai
258 ms
42.0 KB258 ms
0f-utw221sy-8.jspotentially blocking
javascript · prep.xelta.ai
253 ms
19.9 KB253 ms
19 more requests
all done by 588 ms
212.2 KB
web font · prep.xelta.ai
317 ms
48.0 KB317 ms
0815 ms2.445 sFCP 1.564 sLCP 3.260 s

Coach

The 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 9.2.1.

Performance advice

75
3 errors10 warnings3 info
warn(0)Avoid using Google Tag Manager.googleTagManager

The page is using Google Tag Manager, this is a performance risk since non-tech users can add JavaScript to your page.

Google Tag Manager makes it possible for non tech users to add scripts to your page that will downgrade performance.

warn(0)Avoid CPU Long TaskslongTasks

The page has 9 CPU long tasks with the total of 1.251 s. The total blocking time is 353 ms and 5 long tasks before first contentful paint with total time of 698 ms. 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.

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
  • self
  • same-origin-descendant
  • unknown
  • self
  • self
  • self
  • self
  • self
  • self
warn(0)Avoid extra requests by setting cache headerscacheHeaders

The page has 24 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 93.9 kB the next access.

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
warn(0)Total JavaScript size shouldn't be too bigjavascriptSize

The total JavaScript transfer size is 1.1 MB and the uncompressed size is 3.7 MB. This is totally crazy! There is really room for improvement here.

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
URLTransferContent
https://www.googletagmanager.com/gtag/js?id=G-CPG3NLBKHP180.8 KB548.3 KB
https://static.cloudflareinsights.com/beacon.min.js/v4513226cdae34746b4dedf0b4dfa099e178179150949611.3 KB30.9 KB
https://prep.xelta.ai/_next/static/chunks/0_ivozyvwwju-.js5.4 KB16.6 KB
https://prep.xelta.ai/_next/static/chunks/16~qkdybp3eg6.js13.2 KB40.4 KB
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https://prep.xelta.ai/_next/static/chunks/15_v~jewnj0mv.js10.2 KB45.5 KB
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https://connect.facebook.net/en_US/fbevents.js103.8 KB394.5 KB
https://prep.xelta.ai/_next/static/chunks/0w-tb20otfze_.js80.1 KB264.5 KB
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https://prep.xelta.ai/_next/static/chunks/0oxjj2cw4l~r1.js3.7 KB7.2 KB
https://us-assets.i.posthog.com/array/phc_tafs3TRoGdYdr8ar4Qrx2YD5kXgsSTDNWbMHDwMSwRno/config.js815 B794 B
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https://prep.xelta.ai/_next/static/chunks/0.xma1o0r_dkq.js5.7 KB16.1 KB
https://connect.facebook.net/signals/config/1941936199799107.../194193619979910761.2 KB262.7 KB
https://us-assets.i.posthog.com/static/surveys.js?v=1.409.432.6 KB95.6 KB
https://prep.xelta.ai/_next/static/chunks/07fg20z5gp6xs.js9.4 KB32.3 KB
https://prep.xelta.ai/_next/static/chunks/0ltjyj-xdme9k.js14.8 KB42.1 KB
https://prep.xelta.ai/_next/static/chunks/0t~dpv9j7jqud.js46.6 KB207.4 KB
warn(0)Total page size shouldn't be too bigpageSize

The page total transfer size is 4.1 MB, which is more than the coach limit of 3 MB. That is really big and you need to make it smaller.

Avoid having pages that have a transfer size over the wire of more than 3 MB (desktop) and 2 MB (mobile) because heavy pages hurt performance and are expensive for users on metered connections. Reference: HTTP Archive median page weight in 2024 was around 2.7 MB desktop / 2.4 MB mobile, so this rule fires when a page is above the modern median.

Offenders
URLTransferContent
https://prep.xelta.ai/flow/ai-lords/player19.7 KB116.5 KB
https://prep.xelta.ai/cdn-cgi/speculation695 B151 B
https://prep.xelta.ai/_next/static/media/83afe278b6a6bb3c-s.p.0q-301v4kxxnr.woff248.0 KB47.3 KB
https://prep.xelta.ai/_next/static/chunks/0bn2cukj3v_dz.css73.2 KB554.9 KB
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https://www.googletagmanager.com/gtag/js?id=G-CPG3NLBKHP180.8 KB548.3 KB
https://static.cloudflareinsights.com/beacon.min.js/v4513226cdae34746b4dedf0b4dfa099e178179150949611.3 KB30.9 KB
https://prep.xelta.ai/_next/image?url=%2Ficons%2Flogo1.png&w=32&q=751.6 KB924 B
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https://prep.xelta.ai/ai-image-generator?_rsc=wqd7pS_QF7JdKXMU4.5 KB6.0 KB
https://prep.xelta.ai/contact?_rsc=wqd7pS_QF7JdKXMU4.3 KB5.9 KB
https://prep.xelta.ai/terms-conditions?_rsc=wqd7pS_QF7JdKXMU5.1 KB6.0 KB
https://cms-b.xelta.ai/api/announcements?placement=APP_TOP1.2 KB474 B
https://connect.facebook.net/signals/config/1941936199799107.../194193619979910761.2 KB262.7 KB
https://us-assets.i.posthog.com/static/surveys.js?v=1.409.432.6 KB95.6 KB
https://telemetry.matchbestsoftware.online/faro/286 B2 B
https://telemetry.matchbestsoftware.online/faro/286 B2 B
https://telemetry.matchbestsoftware.online/faro/286 B2 B
https://telemetry.matchbestsoftware.online/faro/286 B2 B
https://prep.xelta.ai/_next/static/chunks/07fg20z5gp6xs.js9.4 KB32.3 KB
https://prep.xelta.ai/_next/static/chunks/0ltjyj-xdme9k.js14.8 KB42.1 KB
https://prep.xelta.ai/_next/static/chunks/0t~dpv9j7jqud.js46.6 KB207.4 KB
https://prep.xelta.ai/_next/image?url=%2Fchatboard%2Favtar.png&w=96&q=755.9 KB5.9 KB
https://prep.xelta.ai/_next/image?url=%2Fchatboard%2Favtar.png&w=96&q=755.9 KB5.9 KB
https://telemetry.matchbestsoftware.online/faro/286 B2 B
error(0)Avoid missing and error requestsresponseOk
warn(50)Total CSS size shouldn't be too bigcssSize

The total CSS transfer size is 76.4 kB and uncompressed size is 570.2 kB. That is big and the CSS could most probably be smaller.

Delivering a massive amount of CSS to the browser is not the best thing you can do, because it means more work for the browser when parsing the CSS against the HTML and that makes the rendering slower. Try to send only the CSS that is used on that page. And make sure to remove CSS rules when they aren't used anymore.

Offenders
URLTransferContent
https://prep.xelta.ai/_next/static/chunks/0bn2cukj3v_dz.css73.2 KB554.9 KB
https://prep.xelta.ai/_next/static/chunks/08ak-dq81l91~.css1.4 KB2.0 KB
infoThe favicon should be small and cacheablefavicon

The favicon size is 664.1 kB bytes. That's quite big, can you make it smaller?

It is easy to make the favicon big but please avoid doing that, because every browser will then perform an unnecessarily large download. And make sure the cache headers are set for a long time for the favicon. It is easy to miss since it's another content type.

Offenders
warn(50)Total image size shouldn't be too bigimageSize

The page total image size is 2.1 MB. It's really big. Is the page using the right format for the images? Can they be lazy loaded? Are they compressed as good as they can be? Make them smaller by using https://imageoptim.com/.

Avoid having too many large images on the page. The images will not affect the first paint of the page, but it will eat bandwidth for the user.

error(80)Have a fast largest contentful paintlargestContentfulPaint

Largest contentful paint can be improved 3.260 s. It is in the Google Web Vitals needs improvement range, slower than 2.5 seconds.

Largest contentful paint is one of Google Web Vitals and reports the render time of the largest image or text block visible within the viewport, relative to when the page first started loading. To be fast according to Google, it needs to render before 2.5 seconds and results over 4 seconds is poor performance.

Offenders
  • <span class="text-sm font-semibold text-white whitespace-nowrap"></span>
infoLong cache headers is goodcacheHeadersLong
warn(90)Avoid doing redirectsassetsRedirects

The page has 1 redirect. 1 of the redirects are from the base domain, please fix them!

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
warn(90)Always compress text contentcompressAssets

The page has 1 request that are served uncompressed. You could save a lot of bytes by sending them compressed instead.

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
URLTransferContent
https://prep.xelta.ai/cdn-cgi/challenge-platform/h/g/scripts/jsd/f70cb37711aa/main.js?9.5 KB20.2 KB
infoMake each CSS response smalloptimalCssSize

https://prep.xelta.ai/_next/static/chunks/0bn2cukj3v_dz.css size is 74.9 kB (74949) and that is bigger than the limit of 25 kB. Try to keep each CSS response under 25 kB.

Render-blocking CSS holds up the first paint until it has fully downloaded, parsed and applied, so smaller CSS files mean a faster start. Split your CSS into a small critical bundle inlined or eagerly loaded, with the rest lazy-loaded.

Offenders
URLTransferContent
https://prep.xelta.ai/_next/static/chunks/0bn2cukj3v_dz.css73.2 KB554.9 KB
warn(90)Don't use private headers on static contentprivateAssets

The page has 1 request with private headers. Make sure that the assets really should be private and only used by one user. Otherwise, make it cacheable for everyone.

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
error(99)Avoid using incorrect mime typesmimeTypes

The page has 1 misconfigured mime type.

It's not a great idea to let browsers guess content types (content sniffing), in some cases it can actually be a security risk.

Offenders

Best practice advice

91
1 warning2 info
infoAvoid unnecessary headersunnecessaryHeaders

There are 1 response that sets a p3p header. There are 3 responses that sets both a max-age and expires header. There are 4 responses that sets a pragma no-cache header (that is a request header). There are 89 responses that sets a server header.

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
warn(50)Avoid too many third party requeststhirdParty

The page do 20% requests to third party domains (19 requests and 403.1 kB). First party is 74 requests and 3.7 MB. The regex .*xelta.* was used to calculate first/third party requests.

Do not load most of your content from third party URLs.

infoDo not send too long headerslongHeaders

https://prep.xelta.a.../a23d9b3868bfe0c2 has a header cf-chl-out-s that is 1713 characters long. https://connect.face...en_US/fbevents.js has a header content-security-policy that is 1344 characters long. https://connect.face...en_US/fbevents.js has a header content-security-policy-report-only that is 1415 characters long. https://connect.face...en_US/fbevents.js has a header permissions-policy that is 874 characters long. https://connect.face.../1941936199799107 has a header content-security-policy that is 1344 characters long. https://connect.face.../1941936199799107 has a header content-security-policy-report-only that is 1415 characters long. https://connect.face.../1941936199799107 has a header permissions-policy that is 874 characters long.

Do not send response headers that are too long.

Offenders

Privacy advice

66
6 warnings2 info
warn(0)Avoid using Google Analyticsga

The page is using Google Analytics meaning you share your users private information with Google. You should use analytics that care about user privacy, something like https://matomo.org.

Google Analytics share private user information with Google that your user hasn't agreed on sharing.

warn(0)Avoid embedding services from surveillance capitalist companiessurveillance

The page embeds 3 resources from companies that profit from user surveillance. Consider privacy-respecting alternatives.

Embedding scripts or iframes from companies whose business model is surveillance capitalism (Google, Facebook, etc.) leaks detailed user data on every page view, often before the user has had a chance to consent. See https://en.wikipedia.org/wiki/Surveillance_capitalism for background. Prefer privacy-respecting alternatives where possible.

Offenders
warn(0)Use a strict Content-Security-Policy header to mitigate cross-site scripting (XSS) attacks.contentSecurityPolicyHeader

Set a Content-Security-Policy header to mitigate cross-site scripting attacks. You can start with a Content-Security-Policy-Report-Only header, which only reports violations rather than blocking them.

A Content-Security-Policy response header tells the browser which sources of script, style, and other content are allowed. The most effective form is a strict CSP using nonces or hashes together with strict-dynamic; the worst is a missing header, with unsafe-inline and unsafe-eval close behind. https://web.dev/articles/strict-csp

Offenders
infoSet a Cross-Origin-Embedder-Policy header so cross-origin subresources opt in to being embedded.crossOriginEmbedderPolicyHeader

Set a Cross-Origin-Embedder-Policy header (typically require-corp or credentialless) on the document response to control cross-origin embedding.

Cross-Origin-Embedder-Policy (COEP) makes the page refuse to load cross-origin subresources unless they explicitly opt in via CORP or CORS. Together with Cross-Origin-Opener-Policy it puts the page in a cross-origin isolated context, which mitigates cross-window side-channel attacks (Spectre) and unlocks high-resolution timers and SharedArrayBuffer. https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cross-Origin-Embedder-Policy

Offenders
warn(0)Set a Cross-Origin-Opener-Policy header to isolate the page from cross-origin windows.crossOriginOpenerPolicyHeader

Set a Cross-Origin-Opener-Policy header (typically same-origin) on the document response to isolate the page from cross-origin windows.

Cross-Origin-Opener-Policy (COOP) lets a page sever its window-group ties to cross-origin documents that opened it or that it opens. Together with Cross-Origin-Embedder-Policy it puts the page in a cross-origin isolated context, which mitigates cross-window side-channel attacks (Spectre) and unlocks high-resolution timers and SharedArrayBuffer. https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cross-Origin-Opener-Policy

Offenders
infoSet a Cross-Origin-Resource-Policy header to limit who may embed the page.crossOriginResourcePolicyHeader

Set a Cross-Origin-Resource-Policy header (same-origin, same-site or cross-origin) on the document response to limit who may embed it.

Cross-Origin-Resource-Policy (CORP) is a per-response opt-in that tells the browser which origins are allowed to embed the resource. It blocks cross-origin or cross-site no-cors embedding (img, script, iframe, etc.) and is one of the building blocks of cross-origin isolation. https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cross-Origin-Resource-Policy

Offenders
warn(0)Set a Permissions-Policy header to control which browser features the page can use.permissionsPolicyHeader

Set a Permissions-Policy header to control which browser features the page can use.

The Permissions-Policy response header (the successor to Feature-Policy) lets a site explicitly opt in or out of powerful browser features such as camera, microphone, geolocation, payment and clipboard. Setting a strict policy reduces the attack surface and limits what embedded third parties can do. https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Permissions-Policy

Offenders
warn(0)Do not share user data with third parties.thirdPartyPrivacy

The page has 11% requests that are 3rd party (10 requests with a size of 367.2 kB). The page also have request to companies that harvest data from users and do not respect users privacy (see https://en.wikipedia.org/wiki/Surveillance_capitalism). The page do 1 tag-manager request and uses 1 tag-manager tool. The page do 7 survelliance requests and uses 5 survelliance tools. The page do 7 surveillance requests and uses 5 surveillance tools. The page do 2 utility requests and uses 2 utility tools. The page do 2 social requests and uses 1 social tool. The page do 2 analytics requests and uses 1 analytics tool. The page do 1 ad request and uses 1 ad tool.

Using third party requests shares user information with that third party. Please avoid that! The project https://github.com/patrickhulce/third-party-web is used to categorize first/third party requests.

Offenders

Page info

A snapshot of what the browser actually built for this page: the document, how big and deep the DOM tree is and what it kept in storage. Big, deep trees are slower to style and lay out, so the counts Chrome warns about carry a flag.

Page info

Document

What the page says it is and how large it rendered.

TitleAI Lords Creator - Generate Stories with AI | XeltaThe document title, shown in the browser tab and used by search results.
Layout viewport1350 × 1188 pxThe width the page laid out at, and the full height of the rendered document.

DOM structure

How much markup the browser has to build, style and lay out.

DOM elements644Total HTML elements. Fewer means less for the browser to style, lay out and paint.
Avg DOM depth9How deeply elements are nested on average.
Max DOM depth15The deepest nesting on the page. Deep branches cost more style recalculation.
Iframes1Embedded documents. Each is a separate page the browser loads and renders.
Script tags69Number of script elements. More scripts usually means more main-thread work.

Storage and connection

What the page stored on the client, and the network it was tested on.

Local storage1.4 KBData the page saved in localStorage, kept across visits.
Session storage269 BData kept in sessionStorage for this tab session only.
Connection type4GWhat the Network Information API reported for the test connection.

Resource hints

2 hints
dns-prefetch
  • https://media.xelta.ai/
preconnect
  • https://media.xelta.ai/

Technologies used to build the page

Data collected using Coach-core version 9.2.1. With updated code from Webappanalyzer 2026-05-04. Use --browsertime.firefox.includeResponseBodies html or --browsertime.chrome.includeResponseBodies html to help Wappalyzer find more information about technologies used.

Detected technologies

10 technologies

Third-party tools

17 tools

Data collected using Third Party Web version 0.29.2.

Tag-manager
  • Google Tag Manager
Survelliance
  • Google Tag Manager
  • Facebook
  • Google Analytics
  • Google/Doubleclick Ads
  • Other Google APIs/SDKs
Surveillance
  • Google Tag Manager
  • Facebook
  • Google Analytics
  • Google/Doubleclick Ads
  • Other Google APIs/SDKs
Utility
  • Cloudflare
  • Other Google APIs/SDKs
Social
  • Facebook
Other
  • Amazon Web Services
Analytics
  • Google Analytics
Ad
  • Google/Doubleclick Ads

Data from run 1

Visual Metrics

Visual milestones

all times from navigation start
Speed Index1.83 show quickly the page looked done
First Visual Change0.77 sfirst paint reaches the screen
Last Visual Change7.77 sscreen stops changing · 7.00 s after first
≥85%
≥95% rendered
0.77 sFirst Visual Change
1.57 sVisual Complete 85%
3.27 sVisual Complete 95%
Visual Complete 99%7.63 s
Last Visual Change7.77 s
Visual Readiness7.00 s· first to last change
02.0 s4.0 s6.0 s
Content milestones
Perception index
Visual progress
Visual progress at 0 s0.0s
Visual progress at 1.7 s1.7s
Visual progress at 2.9 s2.9s
Visual progress at 3.9 s3.9s
Visual progress at 4.8 s4.8s
Visual progress at 5.8 s5.8s
Visual progress at 6.8 s6.8s
Visual progress at 7.8 s7.8s
FCP1.56s
LCP3.26s
VC851.57s
Long tasks
0.0s1.6s3.1s4.7s6.2s7.8s

Google Web Vitals

from run 1
282 msTTFB
Good
3.260 sLCP
Needs improvement
353 msTBT
Needs improvement

Largest Contentful Paint

When the page main content is rendered, collected via the Largest Contentful Paint API. Read more about Largest Contentful Paint.

3.260 sLCP render time

Phase breakdown

  • TTFB282 ms
  • Resource load delay0 ms
  • Resource load duration0 ms
  • Element render delay2.978 s

Element

Element type
<span>
Size (w × h)
5423
Load time
0 ms

DOM path

body > div#app-root > div:eq(0) > div:eq(1) > div > div:eq(1) > div > span
LCP

The LCP element is highlighted in the screenshot. If nothing is highlighted the element was removed before the screenshot or the LCP API couldn't find it.

Cumulative Layout Shift

How much the page's content shifts as it loads, collected via the Cumulative Layout Shift API.

0.031cumulative layout shift score

One shift is 100% of your 0.031 CLS. div:eq(1) moved at 3.127 s. Reserve space for whatever renders into that spot, a fixed height or an aspect-ratio box, so later content stops pushing the page around.

Elements that shifted

Worst first, showing shifts of 0.01 and up. Each percentage is that shift's exact share of the score.

  • 0.031
    100% of CLSshifted at 3.127 s
    <div class="min-h-screen bg-[#0A0A0A] flex items-center justify-center">
    body > div#app-root > div:eq(1)
Layout shift

Elements that shifted by more than 0.01 are highlighted in the screenshot. If an element shifted outside the viewport, it won't appear here. Check the video or filmstrip to see the shift.

Browser Metrics

Navigation Timing
Extra timings

Server timings

Timing data the server chose to expose through Server-Timing response headers on the main document — typically backend time, cache status or experiment flags.

Server timings

5 entries
NameDurationDescription
cfCacheStatus0 msDYNAMIC
cfEdge5 ms
cfOrigin0 ms
cfWorker241 ms
cfExtPri0 ms

Custom metrics collected through JavaScript

There are no custom configured scripts.

Extra metrics collected using scripting

There are no custom extra metrics from scripting.

PageXray

How the page is built.

HTTP versionH3
Total requests93
Total domains14
Transfer size3.9 MB
Content size7.0 MB
Missing compression1
Cookies10 third-party

Main document

status 200 · 0 redirects

https://prep.xelta.ai/flow/ai-lords/player

HeaderValue
alt-svch3=":443"; ma=86400
cache-controls-maxage=50, stale-while-revalidate=31535950
cf-cache-statusDYNAMIC
cf-raya23d9b3868bfe0c2-BOM
content-encodingzstd
content-typetext/html; charset=utf-8
dateFri, 31 Jul 2026 15:23:48 GMT
expect-ctmax-age=86400, enforce
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
priorityu=0,i
referrer-policysame-origin strict-origin-when-cross-origin
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=lQKkKP0lPy8qQns7SmQD5MYe%2FQWdv2NaAz9RJqtuYRLz9FL75vnDaasu5ToSPyRlk2kNABxO32kXLEsy1MIpp%2B8kC9WEPXm8V82ED%2B7XgDtIvCNGXc1C1dgQQZKTtUFL"}]}
servercloudflare
server-timingcfCacheStatus;desc="DYNAMIC" cfEdge;dur=5,cfOrigin;dur=0,cfWorker;dur=241 cfExtPri
speculation-rules"/cdn-cgi/speculation"
strict-transport-securitymax-age=31536000; includeSubDomains; preload
varyrsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
x-nextjs-cacheSTALE
x-nextjs-prerender1 1
x-nextjs-stale-time300
x-xss-protection1; mode=block

Response codes

200
6266.7%
202
66.5%
204
77.5%
302
11.1%
401
11.1%
403
1516.1%
404
11.1%

Largest assets on the page (by transfer size)

Top 20 of 93

Requests and sizes per content type

9 types

Transfer size3.8 MB

  • image51.6%
  • javascript27.9%
  • favicon16.6%
  • css1.9%
  • font1.2%
  • html0.50%
  • json0.15%
  • plain0.12%
  • other0.02%

Content size6.9 MB

  • javascript51.7%
  • image28.5%
  • favicon9.5%
  • css7.9%
  • html1.7%
  • font0.67%
  • json0.08%
  • other0.00%
  • plain0.00%

Requests75

  • javascript58.7%
  • plain16.0%
  • json8.0%
  • image6.7%
  • other4.0%
  • css2.7%
  • html1.3%
  • font1.3%
  • favicon1.3%
ContentHeader SizeTransfer SizeContent SizeRequests
html0 b19.7 KB116.5 KB1
css0 b74.6 KB556.8 KB2
javascript0 b1.1 MB3.6 MB44
image0 b2.0 MB2.0 MB5
font0 b48.0 KB47.3 KB1
favicon0 b648.6 KB668.8 KB1
other0 b695 B151 B3
json0 b6.0 KB5.3 KB6
plain0 b4.7 KB12 B12
Total0 b3.8 MB6.9 MB75

Data per domain

14 domains
DomainTotal download timeTransfer SizeContent SizeRequests
prep.xelta.ai9.695 s3.5 MB5.7 MB67
www.googletagmanager.com295 ms180.8 KB548.3 KB1
static.cloudflareinsights.com150 ms11.3 KB30.9 KB1
connect.facebook.net240 ms165.0 KB657.3 KB2
seob.xelta.ai904 ms247 B28 B1
pmt.xelta.ai3.612 s2.9 KB3.6 KB4
1gqp45w1oa.execute-api.us-east-1.amazonaws.com1.183 s846 B55 B2
www.google-analytics.com300 msN/A0 b1
analytics.google.com268 msN/A0 b1
stats.g.doubleclick.net114 ms556 B0 b1
www.google.co.in117 ms63 B42 B1
us-assets.i.posthog.com49 ms33.4 KB96.4 KB2
cms-b.xelta.ai67 ms2.0 KB517 B2
telemetry.matchbestsoftware.online88 ms1.7 KB12 B7

Expires & last-modified statistics

typeminmedianmax
Expires0 seconds4 hours1 year
Last modified53 seconds24 hours6 weeks

Requests loaded after onLoad event

57 requests

Includes requests done after load event end.

ContentTransfer SizeRequests
html0 b0
css0 b0
javascript456.5 KB16
image2.0 MB4
font0 b0
favicon648.6 KB1
plain4.7 KB12
json4.9 KB5
other0 b2
Total3.1 MB57

Requests loaded after onContentLoad

58 requests

Includes requests done after DOM content loaded.

ContentTransfer SizeRequests
html0 b0
css0 b0
javascript456.5 KB16
image2.0 MB4
font0 b0
favicon648.6 KB1
plain4.7 KB12
json4.9 KB5
other0 b2
Total3.1 MB58

CPU

https://www.googletagmanager.com/gtag/js?id=G-CPG3NLBKHP is responsible for 58% of blocking time
450 ms of 782 ms total. Defer it, replace it with a lighter alternative, or move its work off the main thread to recover most of your TBT.
Get deeper CPU insight with one extra run
Run with --enableProfileRun to see where main-thread time went, blocking time and CPU cost per script, module and function, forced reflows and frame stability. The data is collected in one extra run, so the timing metrics of your measured runs stay untouched.

Long tasks

Tasks ≥ 50 ms blocking the main thread, collected via the Long Task API.

TBT353 ms
Max potential input delay281 ms
Total long tasks9
Total time1.251 s
Last task at2.915 s
Before first paint275 ms2 tasks
Before FCP698 ms5 tasks
Before LCP1.251 s9 tasks
After load1.177 s8 tasks

Long Animation Frames

A long animation frame (LOAF) is a frame that took ≥ 50 ms from input to the next paint. The part beyond the threshold is blocking time, the number that hurts Interaction to Next Paint and Total Blocking Time. Break long tasks up (scheduler.yield(), smaller chunks) or move the work off the main thread. Read more about the Long Animation Frames API.

Long animation frames16showing the 10 with the most blocking time
Blocking time1.050 sacross all long frames — what hurts INP and TBT
Forced style & layout0.7 msscripts reading layout mid-frame
Blocking before LCP1.020 sdelaying the largest paint — fix these first
Blocking after load978.5 msafter the load event — didn't delay page load
Input waiting1 framea real interaction was delayed (INP)

What to fix first

ScriptFramesTime runningBlocking (share by run time)Forced style & layoutTriggered by
js3rd party2553.9 ms449.9 mstimer or animation callback, script tag
main.js1201.5 ms130.6 ms0.5 msscript tag
fbevents.js3rd party1146.2 ms96.3 msscript tag
0y0ijhqmszjlv.js4155.1 ms56.1 ms0.2 msevent handler
0_ivozyvwwju-.js174.6 ms24.7 msscript tag
0w-tb20otfze_.js174.2 ms24.3 msscript tag

A frame's blocking time is split between its scripts by their share of the frame's work, capped at each script's own run time — blocking from work no script owns (HTML parsing, browser internals) stays unattributed. The per-script blocking view below uses the same attribution.

Long animation frame #1 · 282 msat 2.066 s · before LCP
blocking 232 ms
  • Scripts & other work282 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms
1 script ran during this frame
js3rd party
Ran for
281.9 ms
Started by
TimerHandler:setTimeout
How it started
timer or animation callback
Long animation frame #2 · 298.5 msat 1.529 s · before LCP
blocking 231.6 ms
  • Scripts & other work289 ms
  • Animation callbacks9.4 ms
  • Style & layout0.1 ms
  • Render0 ms
1 script ran during this frame
js3rd party
Ran for
272 ms
How it started
script tag
Long animation frame #3 · 311.1 msat 949.7 ms · before LCP
blocking 201.6 ms
  • Scripts & other work311 ms
  • Animation callbacks0.1 ms
  • Style & layout0 ms
  • Render0 ms
2 scripts ran during this frame · forced style & layout 0.5 ms
Ran for
7.9 ms
Started by
MessagePort.onmessage
How it started
event handler
Source function
z
Position in source
character 7855 into the file (locate it via DevTools → Performance → the Long Animation Frames track)
Ran for
201.5 ms
Forced style and layout
0.5 ms
How it started
script tag
Ran in
an iframe inside this page
Long animation frame #4 · 212.6 msat 1.836 s · before LCP
blocking 130.9 ms
  • Scripts & other work212.1 ms
  • Animation callbacks0.4 ms
  • Style & layout0.1 ms
  • Render0 ms
1 script ran during this frame
Ran for
17.2 ms
Started by
MessagePort.onmessage
How it started
event handler
Source function
z
Position in source
character 7855 into the file (locate it via DevTools → Performance → the Long Animation Frames track)
Long animation frame #5 · 146.3 msat 2.915 s · before LCP
blocking 96.4 ms
  • Scripts & other work146.3 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms
1 script ran during this frame
fbevents.js3rd party
Ran for
146.2 ms
How it started
script tag
Long animation frame #6 · 113.1 msat 1.412 s · before LCP
input was waitingblocking 40 ms
  • Scripts & other work100.9 ms
  • Animation callbacks12.1 ms
  • Style & layout0.1 ms
  • Render0 ms
1 script ran during this frame
Ran for
77.8 ms
Started by
MessagePort.onmessage
How it started
event handler
Source function
z
Position in source
character 7855 into the file (locate it via DevTools → Performance → the Long Animation Frames track)
Long animation frame #7 · 76.1 msat 2.375 s · before LCP
blocking 24.8 ms
  • Scripts & other work75.8 ms
  • Animation callbacks0 ms
  • Style & layout0.3 ms
  • Render0 ms
1 script ran during this frame
Ran for
74.2 ms
How it started
script tag
Long animation frame #8 · 74.7 msat 742.8 ms · before LCP
blocking 24.7 ms
  • Scripts & other work74.7 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms
1 script ran during this frame
Ran for
74.6 ms
How it started
script tag
Long animation frame #9 · 122.1 msat 2.757 s · before LCP
blocking 21.2 ms
  • Scripts & other work116.5 ms
  • Animation callbacks0.1 ms
  • Style & layout5.5 ms
  • Render0 ms
1 script ran during this frame · forced style & layout 0.2 ms
Ran for
52.2 ms
Forced style and layout
0.2 ms
Started by
MessagePort.onmessage
How it started
event handler
Source function
z
Position in source
character 7855 into the file (locate it via DevTools → Performance → the Long Animation Frames track)
Long animation frame #10 · 418.2 msat 318.1 ms · before LCP
blocking 16.7 ms
  • Scripts & other work400 ms
  • Animation callbacks0.2 ms
  • Style & layout18 ms
  • Render0 ms
2 scripts ran during this frame
Ran for
5.2 ms
How it started
script tag
Ran for
6 ms
How it started
script tag

Blocking time per script (browser-reported)

How much each script blocked the main thread, derived from the Long Animation Frame API. Each frame's blocking time is split between its scripts by their share of the frame's work, capped at each script's own run time — blocking from work no script owns (HTML parsing, browser internals) is not attributed (older data credits the script that started the frame). The closest answer to "which script should I fix to improve TBT" the platform exposes.

Third party

Third party requests categorised by Third party web version 0.29.2.

Third-party requests17
Tools7
Categories7

Categories

7 categories

Requests by category17

  • survelliance7 req · 5 tools41.2%
  • utility2 req · 2 tools11.8%
  • social2 req · 1 tool11.8%
  • other2 req · 1 tool11.8%
  • analytics2 req · 1 tool11.8%
  • tag-manager1 req · 1 tool5.9%
  • ad1 req · 1 tool5.9%

Third party requests and tools

7 categories
tag-managerGoogle Tag Manager1 requests · 1 tool
survellianceGoogle Tag ManagerFacebookGoogle Analytics+ 2 more7 requests · 5 tools
utilityCloudflareOther Google APIs/SDKs2 requests · 2 tools
socialFacebook2 requests · 1 tool
otherAmazon Web Services2 requests · 1 tool
analyticsGoogle Analytics2 requests · 1 tool
adGoogle/Doubleclick Ads1 requests · 1 tool

Unmatched third party domains

2 domains

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.

  • us-assets.i.posthog.com
  • telemetry.matchbestsoftware.online

First party vs third party

74 first · 19 third party

Transfer size3.9 MB

  • First party3.5 MB90.1%
  • Third party393.7 KB9.9%

Content size7.0 MB

  • First party5.7 MB81.3%
  • Third party1.3 MB18.7%

Requests93

  • First party7479.6%
  • Third party1920.4%

First party requests and sizes per content type

74 requests

Calculated using .*xelta.* (use --firstParty to configure).

ContentHeader SizeTransfer SizeContent SizeRequests
html0 b19.7 KB116.5 KB1
css0 b74.6 KB556.8 KB2
javascript0 b697.2 KB2.3 MB38
image0 b2.0 MB2.0 MB4
font0 b48.0 KB47.3 KB1
favicon0 b648.6 KB668.8 KB1
other0 b695 B151 B2
json0 b6.0 KB5.3 KB6
plain0 b2.5 KB0 b2
TotalN/A3.5 MB5.7 MB74

Third party requests and sizes per content type

19 requests
ContentHeader SizeTransfer SizeContent SizeRequests
html0 b0 b0 b0
css0 b0 b0 b0
javascript0 b390.6 KB1.3 MB6
image0 b63 B42 B1
font0 b0 b0 b0
favicon0 b0 b0 b0
other0 b0 b0 b1
plain0 b2.2 KB12 B10
TotalN/A393.7 KB1.3 MB19