Page summary

https://xelta.ai/ai-studio/anime-video

Tested 2026-09-17 15:41:23 using Chrome 150.0.7871.46 (runtime settings)

SummaryWaterfallMetricsRenderingCoachPageXrayCPUThird party

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

79 / 100
Coach overall
81 / 100
Performance
91 / 100
Best practice
71 / 100
Privacy

How it loaded →

0 → 7.146 s · median run
Frame at 0 ms
start
Frame at 1500 ms
Largest paint1.500 s
Frame at 2900 ms
2.900 s
Frame at 4400 ms
4.400 s
Frame at 5800 ms
5.800 s
Frame at 7200 ms
Complete7.200 s
236 ms
First Visual Change
1.253 s
Speed Index
1.382 s
Visual Complete 85%
7.146 s
Last Visual Change
TTFB77 msLCP696 msTBT764 msCLS0.00

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 10 CPU long tasks with the total of 1.277 s. The total blocking time is 764 ms and 1 long task before first contentful paint with total time of 63 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.

Total JavaScript size shouldn't be too big

0 / 100

The total JavaScript transfer size is 1.5 MB and the uncompressed size is 4.6 MB. This is totally crazy! There is really room for improvement here.

Google Web Vitals

min · median · mean · max of 1 run
MetricMinMedianMeanMax
Time To First Byte (TTFB)77 ms77 ms77 ms77 ms
Largest Contentful Paint (LCP)696 ms696 ms696 ms696 ms
Cumulative Layout Shift (CLS)0.00180.00180.00180.0018

Visual Metrics

min · median · mean · max of 1 run
MetricMinMedianMeanMax
First visual change236 ms236 ms236 ms236 ms
Last visual change7.146 s7.146 s7.146 s7.146 s
Speed index1.253 s1.253 s1.253 s1.253 s
Visual readiness6.910 s6.910 s6.910 s6.910 s
Visual complete 851.382 s1.382 s1.382 s1.382 s
Visual complete 956.944 s6.944 s6.944 s6.944 s
Visual complete 997.146 s7.146 s7.146 s7.146 s

CPU

min · median · mean · max of 1 run
MetricMinMedianMeanMax
Total Blocking Time764 ms764 ms764 ms764 ms
Max Potential FID208 ms208 ms208 ms208 ms
CPU long tasks 10101010
CPU last long task happens at3.115 s3.115 s3.115 s3.115 s

More metrics

min · median · mean · max of 1 run
MetricMinMedianMeanMax
First paint252 ms252 ms252 ms252 ms
Load event end1.410 s1.410 s1.410 s1.410 s

Waterfall

Run 1 SpeedIndex median

First paintFCPLCPDOMContentLoadedDOM interactiveLoadRender-blockingRedirectError

Rendering

Run 1 · median
0.000 s
0s2s4s6s

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

72 frames

Use --filmstrip.showAll to show all filmstrips.

Frame at 0 ms
0 ms
0 %
Frame at 200 ms
200 ms
0 %
Frame at 300 ms
300 ms
14 %
Frame at 400 ms
400 ms
14 %
Frame at 500 ms
500 ms
14 %
Frame at 600 ms
600 ms
14 %
Frame at 700 ms
700 ms
69 %
Frame at 800 ms
800 ms
70 %
Frame at 900 ms
900 ms
70 %
Frame at 1.000 s
1.000 s
70 %
Frame at 1.100 s
1.100 s
74 %
Frame at 1.200 s
1.200 s
74 %
Frame at 1.300 s
1.300 s
74 %
Frame at 1.400 s
1.400 s
90 %
Frame at 1.500 s
1.500 s
90 %
Frame at 1.600 s
1.600 s
90 %
Frame at 1.700 s
1.700 s
90 %
Frame at 1.800 s
1.800 s
89 %
Frame at 1.900 s
1.900 s
89 %
Frame at 2.000 s
2.000 s
89 %
Frame at 2.100 s
2.100 s
89 %
Frame at 2.200 s
2.200 s
89 %
Frame at 2.300 s
2.300 s
89 %
Frame at 2.400 s
2.400 s
89 %
Frame at 2.500 s
2.500 s
93 %
Frame at 2.600 s
2.600 s
93 %
Frame at 2.700 s
2.700 s
93 %
Frame at 2.800 s
2.800 s
93 %
Frame at 2.900 s
2.900 s
93 %
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
93 %
Frame at 3.400 s
3.400 s
93 %
Frame at 3.500 s
3.500 s
93 %
Frame at 3.600 s
3.600 s
93 %
Frame at 3.700 s
3.700 s
93 %
Frame at 3.800 s
3.800 s
93 %
Frame at 3.900 s
3.900 s
93 %
Frame at 4.000 s
4.000 s
93 %
Frame at 4.100 s
4.100 s
93 %
Frame at 4.200 s
4.200 s
93 %
Frame at 4.300 s
4.300 s
93 %
Frame at 4.400 s
4.400 s
93 %
Frame at 4.500 s
4.500 s
93 %
Frame at 4.600 s
4.600 s
93 %
Frame at 4.700 s
4.700 s
93 %
Frame at 4.800 s
4.800 s
93 %
Frame at 4.900 s
4.900 s
93 %
Frame at 5.000 s
5.000 s
93 %
Frame at 5.100 s
5.100 s
93 %
Frame at 5.200 s
5.200 s
93 %
Frame at 5.300 s
5.300 s
93 %
Frame at 5.400 s
5.400 s
93 %
Frame at 5.500 s
5.500 s
93 %
Frame at 5.600 s
5.600 s
93 %
Frame at 5.700 s
5.700 s
93 %
Frame at 5.800 s
5.800 s
93 %
Frame at 5.900 s
5.900 s
93 %
Frame at 6.000 s
6.000 s
93 %
Frame at 6.100 s
6.100 s
93 %
Frame at 6.200 s
6.200 s
93 %
Frame at 6.300 s
6.300 s
93 %
Frame at 6.400 s
6.400 s
92 %
Frame at 6.500 s
6.500 s
92 %
Frame at 6.600 s
6.600 s
92 %
Frame at 6.700 s
6.700 s
92 %
Frame at 6.800 s
6.800 s
92 %
Frame at 6.900 s
6.900 s
92 %
Frame at 7.000 s
7.000 s
96 %
Frame at 7.100 s
7.100 s
97 %
Frame at 7.200 s
7.200 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 252 ms on a 77 ms first byte; the 2 render-blocking requests were done by 149 ms and the remaining ~103 ms is style and layout work. The largest paint followed at 696 ms.

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 · 467.3 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
xelta.ai · TTFB 77 ms
76 ms
30.9 KB75 ms
css · xelta.ai
58 ms
88.1 KB58 ms
css · xelta.ai
19 ms
3.7 KB19 ms
05fno9l_71kz2.jspotentially blocking
javascript · xelta.ai
134 ms
5.1 KB134 ms
3-w1slqtx4wge.jspotentially blocking
javascript · xelta.ai
123 ms
72.5 KB123 ms
1rttzs2jjmcrm.jspotentially blocking
javascript · xelta.ai
119 ms
44.0 KB119 ms
120g0hpahlx34.jspotentially blocking
javascript · xelta.ai
118 ms
23.2 KB118 ms
17jp2fut2e48l.jspotentially blocking
javascript · xelta.ai
118 ms
18.1 KB118 ms
2qwl8sgb3v89v.jspotentially blocking
javascript · xelta.ai
116 ms
19.8 KB116 ms
19 more requests
all done by 228 ms
192.7 KB
web font · xelta.ai · finished after first paint
41 ms
65.5 KB41 ms
web font · xelta.ai · finished after first paint
37 ms
8.9 KB37 ms
web font · xelta.ai · finished after first paint
42 ms
37.7 KB42 ms
0174 ms348 ms522 msFCP 252 msLCP 696 ms

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.

What to fix first

Performance advice

81
1 error8 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 10 CPU long tasks with the total of 1.277 s. The total blocking time is 764 ms and 1 long task before first contentful paint with total time of 63 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
  • unknown
  • self
  • self
  • self
  • self
  • self
  • self
  • self
  • self
  • self
warn(0)Total JavaScript size shouldn't be too bigjavascriptSize

The total JavaScript transfer size is 1.5 MB and the uncompressed size is 4.6 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://static.cloudflareinsights.com/beacon.min.js/v31edd6df95cf4e85bb4c19e7a9bdbcba178836298749510.1 KB29.6 KB
https://xelta.ai/_next/static/chunks/0_cis5bf89bk3.js3.0 KB9.3 KB
https://xelta.ai/_next/static/chunks/3ur639cpt-7ui.js10.7 KB38.9 KB
https://xelta.ai/_next/static/chunks/3-w1slqtx4wge.js72.5 KB232.0 KB
https://xelta.ai/_next/static/chunks/25ym4jnna99b5.js48.0 KB171.2 KB
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https://xelta.ai/analytics/gtm.js1.6 KB403 B
https://www.googletagmanager.com/gtag/js?id=G-CPG3NLBKHP187.2 KB569.2 KB
https://xelta.ai/analytics/ga4.js1.4 KB144 B
https://xelta.ai/analytics/meta-pixel.js1.6 KB514 B
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https://xelta.ai/_next/static/chunks/2k5vpzc_p9jpq.js35.3 KB106.7 KB
https://www.googletagmanager.com/gtm.js?id=GTM-5XNS5NQ2115.3 KB324.6 KB
https://connect.facebook.net/en_US/fbevents.js110.7 KB411.7 KB
https://www.googletagmanager.com/gtag/js?id=G-CPG3NLBKHP&cx=c&gtm=4e69f3187.2 KB569.2 KB
https://connect.facebook.net/signals/config/1123404090023729.../1123404090023729139.3 KB496.7 KB
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warn(0)Total page size shouldn't be too bigpageSize

The page total transfer size is 12.4 MB, which is more than the coach limit of 3 MB. That is insane 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://xelta.ai/ai-studio/anime-video30.9 KB222.4 KB
https://xelta.ai/cdn-cgi/speculation448 B151 B
https://xelta.ai/_next/static/media/83afe278b6a6bb3c-s.p.2bn3s6zvc0dyp.woff247.7 KB47.3 KB
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https://xelta.ai/_next/image?url=%2Ficons%2Flogo1.png&w=32&q=751.3 KB738 B
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https://xelta.ai/icons/favicon.ico9.6 KB8.3 KB
https://xelta.ai/icons/apple-touch-icon.png6.0 KB4.6 KB
https://xelta.ai/analytics/gtm.js1.6 KB403 B
https://www.googletagmanager.com/gtag/js?id=G-CPG3NLBKHP187.2 KB569.2 KB
https://xelta.ai/analytics/ga4.js1.4 KB144 B
https://xelta.ai/analytics/meta-pixel.js1.6 KB514 B
https://xelta.ai/_next/static/chunks/1ki4hltmjvw2d.js77.6 KB253.9 KB
https://xelta.ai/_next/static/chunks/16orvb4qnjgm7.js41.8 KB139.5 KB
https://xelta.ai/_next/static/chunks/3f1tw02kuplod.js3.2 KB6.2 KB
https://xelta.ai/_next/static/chunks/2k5vpzc_p9jpq.js35.3 KB106.7 KB
https://www.googletagmanager.com/gtm.js?id=GTM-5XNS5NQ2115.3 KB324.6 KB
https://connect.facebook.net/en_US/fbevents.js110.7 KB411.7 KB
https://xelta.ai/api/geo1.8 KB152 B
https://www.googletagmanager.com/gtag/js?id=G-CPG3NLBKHP&cx=c&gtm=4e69f3187.2 KB569.2 KB
https://analytics.google.com/g/collect...gle.com/g/collectN/A0 b
https://stats.g.doubleclick.net/g/collect...ick.net/g/collect553 B0 b
https://www.google.co.in/ads/ga-audiences.../ads/ga-audiences408 B42 B
https://connect.facebook.net/signals/config/1123404090023729.../1123404090023729139.3 KB496.7 KB
https://mpc-prod-27-s6uit34pua-uk.a.run.app/events?cee=noN/A0 b
https://xelta.ai/_next/static/chunks/28r3ari2she5h.js1.2 KB217 B
https://xelta.ai/_next/static/chunks/0ibqqj5n22681.js10.4 KB31.0 KB
https://xelta.ai/_next/static/chunks/3dh4veiardltk.js47.0 KB206.7 KB
https://xelta.ai/_next/image?url=%2Fchatboard%2Favtar.png&w=96&q=752.1 KB1.0 KB
https://us.i.posthog.com/e/?_=1789659689649286 B15 B
https://telemetry.matchbestsoftware.online/faro/0 b0 b
https://telemetry.matchbestsoftware.online/faro/286 B2 B
https://www.facebook.com/tr/N/A0 b
warn(30)Avoid extra requests by setting cache headerscacheHeaders

The page has 7 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 9.7 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
infoAvoid too many fontsfewFonts

The page has 6 font requests. Do you really need them? What value does the fonts give the user?

How many fonts do you need on a page for the user to get the message? Fonts can slow down the rendering of content, try to avoid loading too many of them because worst case it can make the text invisible until they are loaded (FOIT—flash of invisible text), best case they will flicker the text content when they arrive.

Offenders
warn(50)Total CSS size shouldn't be too bigcssSize

The total CSS transfer size is 94 kB and uncompressed size is 692 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://xelta.ai/_next/static/chunks/18ag8ln2hb3l6.css88.1 KB646.8 KB
https://xelta.ai/_next/static/chunks/1eteo4yyc63ev.css3.7 KB28.9 KB
warn(60)Don't use private headers on static contentprivateAssets

The page has 4 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.

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
infoLong cache headers is goodcacheHeadersLong

The page has 19 requests that have a shorter cache time than one year (but still a cache time).

Setting a cache header is good. Setting a long cache header (a year) is even better because the asset will stay in the browser cache across visits. For content-hashed URLs (e.g. app.4af2.css) you can safely use Cache-Control: max-age=31536000, immutable. For unversioned URLs that may change, use a revalidating strategy instead.

Offenders
infoMake each CSS response smalloptimalCssSize

https://xelta.ai/_next/static/chunks/18ag8ln2hb3l6.css size is 90.2 kB (90187) 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://xelta.ai/_next/static/chunks/18ag8ln2hb3l6.css88.1 KB646.8 KB
warn(95)Inline CSS for faster first renderinlineCss

The page has both inline CSS and CSS requests even though it uses a HTTP/2-ish connection. If you have many users on slow connections, it can be better to only inline the CSS. Run your own tests and check the waterfall graph to see what happens.

In the early days of the Internet, inlining CSS was one of the ugliest things you can do. That has changed if you want your page to start rendering fast for your user. Always inline the critical CSS when you use HTTP/1 and HTTP/2 (avoid doing CSS requests that block rendering) and lazy load and cache the rest of the CSS. It is a little more complicated when using HTTP/2. Does your server support HTTP push? Then maybe that can help. Do you have a lot of users on a slow connection and are serving large chunks of HTML? Then it could be better to use the inline technique, becasue some servers always prioritize HTML content over CSS so the user needs to download the HTML first, before the CSS is downloaded.

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 warning3 info
infoAvoid unnecessary headersunnecessaryHeaders

There are 1 response that sets a p3p header. There are 5 responses that sets both a max-age and expires header. There are 3 responses that sets a pragma no-cache header (that is a request header). There are 98 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 14% requests to third party domains (14 requests and 769.3 kB). First party is 86 requests and 11.7 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://xelta.ai/cdn-cgi/rum? has a header report-to that is 607 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 permissions-policy that is 874 characters long. https://connect.face.../1123404090023729 has a header content-security-policy that is 1344 characters long. https://connect.face.../1123404090023729 has a header permissions-policy that is 874 characters long.

Do not send response headers that are too long.

Offenders
infoAvoid use too many response headersmanyHeaders

https://xelta.ai/api...nt/public/pricing has 33 headers.https://xelta.ai/api...nts/active-banner has 33 headers.https://xelta.ai/api...cms/announcements has 33 headers.https://xelta.ai/api/cms/maintenance has 33 headers.https://xelta.ai/api/geo has 32 headers.

Avoid send too many response headers.

Offenders

Privacy advice

71
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 5 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
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)Do not share user data with third parties.thirdPartyPrivacy

The page has 10% requests that are 3rd party (10 requests with a size of 768.8 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 2 utility requests and uses 2 utility tools. The page do 3 tag-manager requests and uses 1 tag-manager tool. The page do 9 survelliance requests and uses 5 survelliance tools. The page do 9 surveillance requests and uses 5 surveillance tools. The page do 3 social requests and uses 1 social tool. The page do 1 analytics request 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
warn(60)Use a strict Content-Security-Policy header to mitigate cross-site scripting (XSS) attacks.contentSecurityPolicyHeader

The policy allows 'unsafe-inline', which lets the browser execute inline scripts and styles directly from the page. Move to nonces or hashes plus 'strict-dynamic' so that inline injection cannot run.

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

warn(90)Avoid third party cookies that is used to track the user.thirdPartyCookies

The page sets 1 third party cookie.

Third party cookies are used to track the user. They are automatically blocked in Safari and Firefox.

Offenders
  • .facebook.com

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 Studio Anime VideoThe document title, shown in the browser tab and used by search results.
Layout viewport1365 × 2306 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 elements1,587Very large, slows layout and styleTotal HTML elements. Fewer means less for the browser to style, lay out and paint.
Avg DOM depth10How deeply elements are nested on average.
Max DOM depth16The deepest nesting on the page. Deep branches cost more style recalculation.
Iframes1Embedded documents. Each is a separate page the browser loads and renders.
Script tags62Number 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 storage872 BData the page saved in localStorage, kept across visits.
Session storage565 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

6 technologies

Third-party tools

16 tools

Data collected using Third Party Web version 0.29.2.

Utility
  • Cloudflare
  • Other Google APIs/SDKs
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
Social
  • Facebook
Analytics
  • Google Analytics
Ad
  • Google/Doubleclick Ads

Data from run 1

Visual Metrics

Visual milestones

all times from navigation start
Speed Index1.25 show quickly the page looked done
First Visual Change0.24 sfirst paint reaches the screen
Last Visual Change7.15 sscreen stops changing · 6.91 s after first
≥85%
0.24 sFirst Visual Change
1.38 sVisual Complete 85%
Visual Complete 95%6.94 s
Visual Complete 99% · Last Visual Change7.15 s
Visual Readiness6.91 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 1.1 s1.1s
Visual progress at 2.1 s2.1s
Visual progress at 3.1 s3.1s
Visual progress at 4.2 s4.2s
Visual progress at 5.2 s5.2s
Visual progress at 6.2 s6.2s
Visual progress at 7.2 s7.2s
FCP0.25s
LCP0.70s
VC851.38s
Long tasks
0.0s1.4s2.9s4.3s5.8s7.2s

Google Web Vitals

from run 1

Largest Contentful Paint

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

696 msLCP render time

Phase breakdown

  • TTFB77 ms
  • Resource load delay0 ms
  • Resource load duration0 ms
  • Element render delay619 ms

Element

Element type
<div>
Size (w × h)
81081
Load time
0 ms

DOM path

body > div#app-root > div:eq(1) > section:eq(0) > div
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.

0.002cumulative layout shift score

Elements that shifted

Sorted by individual shift score (higher = bigger shift). The top entries usually account for most of the page's CLS.

  • #10.002,
    body > div#app-root > div:eq(1) > section:eq(0) > div > div:eq(0) > h1 > span:eq(0) > #text,body > div#app-root > div:eq(1) > section:eq(0) > div > div:eq(0) > h1 > span:eq(1) > #text
  • #20.000<div class="hidden lg:flex items-center flex-shrink-0 ml-auto"></div>
    body > div#app-root > header > div > div:eq(2)
  • #30.000<div class="hidden lg:flex items-center flex-shrink-0 ml-auto"></div>
    body > div#app-root > header > div > div:eq(2)
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

3 entries
NameDurationDescription
cfCacheStatus0 msDYNAMIC
cfEdge7 ms–
cfOrigin27 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 versionHTTP/2.0
Total requests100
Total domains12
Transfer size11.9 MB
Content size15.7 MB
Missing compression0
Cookies41 third-party

Main document

status 200 · 0 redirects

https://xelta.ai/ai-studio/anime-video

HeaderValue
alt-svch3=":443"; ma=86400
cache-controls-maxage=31536000
cf-cache-statusDYNAMIC
cf-raya3c9370ece3ddc7f-DEL
content-encodingbr
content-security-policydefault-src 'self'; script-src 'self' 'unsafe-inline' https:; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; img-src 'self' data: blob: https:; media-src 'self' https: blob:; connect-src 'self' https: wss: blob:; worker-src 'self' blob:; frame-src 'self' https:; frame-ancestors 'none'; object-src 'none'; base-uri 'self'; form-action 'self'
content-security-policy-report-onlydefault-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; style-src 'self' 'unsafe-inline' https:; img-src 'self' data: blob: https:; font-src 'self' data: https:; media-src 'self' data: blob: https:; connect-src 'self' https: wss: blob:; worker-src 'self' blob:; frame-src 'self' https:; object-src 'none'; base-uri 'self'; form-action 'self' https:; frame-ancestors 'self';
content-typetext/html; charset=utf-8
dateThu, 17 Sep 2026 15:41:26 GMT
expect-ctmax-age=86400, enforce
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
permissions-policycamera=(), microphone=(self), geolocation=(), interest-cohort=()
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=Ff0SmwlnA4gI%2FDI%2BPzsnCCNmFj%2Fynn4UuMHdqklxpcAtcMQ19AI0HfMfUpgNJ8Jn4wy2RRfPAv1qFkZl08hgTBzzZmdAnp%2B0UVLf7DQKnX4FzS53aZPPOO3G"}]}
servercloudflare
server-timingcfCacheStatus;desc="DYNAMIC" cfEdge;dur=7,cfOrigin;dur=27
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-cacheHIT
x-nextjs-prerender1 1
x-nextjs-stale-time300
x-xss-protection1; mode=block

Response codes

200
8989.0%
202
11.0%
204
44.0%
206
66.0%

Largest assets on the page (by transfer size)

Top 20 of 100

Requests and sizes per content type

10 types

Transfer size11.9 MB

  • video84.4%
  • javascript11.7%
  • font1.5%
  • image1.2%
  • css0.76%
  • html0.25%
  • json0.09%
  • favicon0.08%
  • plain0.02%
  • other0.00%

Content size15.7 MB

  • video64.4%
  • javascript28.1%
  • css4.2%
  • html1.4%
  • font1.1%
  • image0.82%
  • favicon0.05%
  • json0.02%
  • other0.00%
  • plain0.00%

Requests100

  • javascript53.0%
  • image16.0%
  • json8.0%
  • font6.0%
  • video6.0%
  • plain6.0%
  • css2.0%
  • html1.0%
  • favicon1.0%
  • other1.0%
ContentHeader SizeTransfer SizeContent SizeRequests
html0 b30.9 KB222.4 KB1
css0 b91.8 KB675.8 KB2
javascript0 b1.4 MB4.4 MB53
image0 b148.9 KB132.2 KB16
font0 b177.2 KB171.5 KB6
favicon0 b9.6 KB8.3 KB1
other0 b448 B151 B1
json0 b10.7 KB2.8 KB8
video0 b10.0 MB10.1 MB6
plain0 b2.3 KB2 B6
Total0 b11.9 MB15.7 MB100

Data per domain

12 domains
DomainTotal download timeTransfer SizeContent SizeRequests
xelta.ai9.559 s1.1 MB3.2 MB80
static.cloudflareinsights.com108 ms10.1 KB29.6 KB1
media.xelta.ai6.843 s10.0 MB10.1 MB6
www.googletagmanager.com1.779 s489.7 KB1.4 MB3
connect.facebook.net1.147 s250.0 KB908.4 KB2
analytics.google.com487 msN/A0 b1
stats.g.doubleclick.net375 ms553 B0 b1
www.google.co.in376 ms408 B42 B1
mpc-prod-27-s6uit34pua-uk.a.run.app382 msN/A0 b1
us.i.posthog.com4.658 s286 B15 B1
telemetry.matchbestsoftware.online303 ms286 B2 B2
www.facebook.com107 msN/A0 b1

Expires & last-modified statistics

typeminmedianmax
Expires0 seconds1 year1 year
Last modified41 minutes16 hours10 weeks

Requests loaded after onLoad event

28 requests

Includes requests done after load event end.

ContentTransfer SizeRequests
html0 b0
css0 b0
javascript961.0 KB15
image8.5 KB3
font0 b0
favicon9.6 KB1
plain2.3 KB6
json2.1 KB3
Total983.5 KB28

Requests loaded after onContentLoad

51 requests

Includes requests done after DOM content loaded.

ContentTransfer SizeRequests
html0 b0
css0 b0
javascript997.2 KB23
image33.9 KB7
font129.5 KB5
favicon9.6 KB1
json8.8 KB7
video32.6 KB2
plain2.3 KB6
Total1.2 MB51

CPU

https://www.googletagmanager.com/gtag/js?id=G-CPG3NLBKHP is responsible for 35% of blocking time
238 ms of 684 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.

TBT764 ms
Max potential input delay208 ms
Total long tasks10
Total time1.277 s
Last task at3.115 s
Before first paint63 ms1 task
Before FCP63 ms1 task
Before LCP204 ms3 tasks
After load1.073 s7 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 frames12showing the 10 with the most blocking time
Blocking time856.6 msacross all long frames — what hurts INP and TBT
Blocking before LCP63 msdelaying the largest paint — fix these first
Blocking after load787 msafter the load event — didn't delay page load

What to fix first

ScriptFramesTime runningBlocking (share by run time)Forced style & layoutTriggered by
js3rd party2356.3 ms237.8 ms–script tag, timer or animation callback
11234040900237293rd party1187.3 ms114.5 ms–script tag
js3rd party1157.7 ms107.8 ms–script tag
fbevents.js3rd party1157.3 ms107.3 ms–script tag
1ki4hltmjvw2d.js1124.6 ms74.6 ms–script tag
gtm.js3rd party192 ms42.1 ms–script 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 · 278.9 msat 3.115 s · after load
blocking 170.1 ms
  • Scripts & other work278.3 ms
  • Animation callbacks0.1 ms
  • Style & layout0.5 ms
  • Render0 ms
1 script ran during this frame
Ran for
187.3 ms
How it started
script tag
Long animation frame #2 · 236.6 msat 2.217 s · after load
blocking 158.4 ms
  • Scripts & other work236.3 ms
  • Animation callbacks0 ms
  • Style & layout0.3 ms
  • Render0 ms
1 script ran during this frame
js3rd party
Ran for
207.8 ms
How it started
script tag
Long animation frame #3 · 157.9 msat 2.734 s · after load
blocking 107.9 ms
  • Scripts & other work157.9 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms
1 script ran during this frame
js3rd party
Ran for
157.7 ms
How it started
script tag
Long animation frame #4 · 157.3 msat 2.908 s · after load
blocking 107.3 ms
  • Scripts & other work157.3 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms
1 script ran during this frame
fbevents.js3rd party
Ran for
157.3 ms
How it started
script tag
Long animation frame #5 · 148.5 msat 2.458 s · after load
blocking 98.5 ms
  • Scripts & other work148.5 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms
1 script ran during this frame
js3rd party
Ran for
148.5 ms
Started by
TimerHandler:setTimeout
How it started
timer or animation callback
Long animation frame #6 · 124.7 msat 1.567 s · after load
blocking 74.7 ms
  • Scripts & other work124.7 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms
1 script ran during this frame
Ran for
124.6 ms
How it started
script tag
Long animation frame #7 · 92.1 msat 2.098 s · after load
blocking 42.1 ms
  • Scripts & other work92.1 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms
1 script ran during this frame
gtm.js3rd party
Ran for
92 ms
How it started
script tag
Long animation frame #8 · 83.2 msat 561 ms · before LCP
blocking 33.2 ms
  • Scripts & other work1.9 ms
  • Animation callbacks0.3 ms
  • Style & layout81 ms
  • Render0 ms

The browser did not report which script was responsible for this frame — typically its own style/layout work, or a cross-origin script it will not name.

Long animation frame #9 · 135 msat 99.3 ms · before LCP
blocking 29.8 ms
  • Scripts & other work75.8 ms
  • Animation callbacks0 ms
  • Style & layout59.2 ms
  • Render0 ms

The browser did not report which script was responsible for this frame — typically its own style/layout work, or a cross-origin script it will not name.

Long animation frame #10 · 77.9 msat 2.610 s · after load
blocking 28 ms
  • Scripts & other work77.9 ms
  • Animation callbacks0 ms
  • Style & layout0 ms
  • Render0 ms

The browser did not report which script was responsible for this frame — typically its own style/layout work, or a cross-origin script it will not name.

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.

Top scripts blocking the main thread

6 of 6 scripts

Third party

Third party requests categorised by Third party web version 0.29.2.

Third-party requests19
Tools6
Categories6
Third-party cookies1

Categories

6 categories

Requests by category19

  • survelliance9 req · 5 tools47.4%
  • tag-manager3 req · 1 tool15.8%
  • social3 req · 1 tool15.8%
  • utility2 req · 2 tools10.5%
  • analytics1 req · 1 tool5.3%
  • ad1 req · 1 tool5.3%

Third party requests and tools

6 categories
utilityCloudflareOther Google APIs/SDKs2 requests · 2 tools
tag-managerGoogle Tag Manager3 requests · 1 tool
survellianceGoogle Tag ManagerFacebookGoogle Analytics+ 2 more9 requests · 5 tools
socialFacebook3 requests · 1 tool
analyticsGoogle Analytics1 requests · 1 tool
adGoogle/Doubleclick Ads1 requests · 1 tool

Unmatched third party domains

3 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.

  • mpc-prod-27-s6uit34pua-uk.a.run.app
  • us.i.posthog.com
  • telemetry.matchbestsoftware.online
Third party cookies1
.facebook.com1 cookie

First party vs third party

86 first · 14 third party

Transfer size11.9 MB

  • First party11.1 MB93.8%
  • Third party751.3 KB6.2%

Content size15.7 MB

  • First party13.3 MB85.0%
  • Third party2.3 MB15.0%

Requests100

  • First party8686.0%
  • Third party1414.0%

First party requests and sizes per content type

86 requests

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

ContentHeader SizeTransfer SizeContent SizeRequests
html0 b30.9 KB222.4 KB1
css0 b91.8 KB675.8 KB2
javascript0 b666.7 KB2.0 MB47
image0 b148.5 KB132.2 KB15
font0 b177.2 KB171.5 KB6
favicon0 b9.6 KB8.3 KB1
other0 b448 B151 B1
json0 b10.4 KB2.8 KB6
video0 b10.0 MB10.1 MB6
plain0 b1.5 KB0 b1
TotalN/A11.1 MB13.3 MB86

Third party requests and sizes per content type

14 requests
ContentHeader SizeTransfer SizeContent SizeRequests
html0 b0 b0 b0
css0 b0 b0 b0
javascript0 b749.8 KB2.3 MB6
image0 b408 B42 B1
font0 b0 b0 b0
favicon0 b0 b0 b0
plain0 b839 B2 B5
json0 b286 B15 B2
TotalN/A751.3 KB2.3 MB14