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Performance

· 27 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
91
GRADE
A
FIX
1
REVIEW
3
PASS
19
INFO
4

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
37
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
90
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

4.04 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

8.42 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

1.44 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.108

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

4.26 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

8.43 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
27
19 PASS 3 REVIEW 1 FIX
F
JS Execution Cost
Action
4302ms total JS execution
FIX
4302ms total JS execution
Warning::
https://m3u8-player.net/_next/static/chunks/1255-a...: 1569ms CPU time
Warning::
https://m3u8-player.net/: 792ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-H2QL...: 557ms CPU time
Warning::
Unattributable: 448ms CPU time
Warning::
https://scripts.clarity.ms/0.8.69/clarity.js: 282ms CPU time
Info::
Third-party scripts: 971ms (23% of total)

Main Thread Breakdown

Script Evaluation 53% Style & Layout 18% Other 12% Script Parsing & Compilation 11%
ScriptTotalScriptingParse/CompileParty
https://m3u8-player.net/_next/static/chunks/1255-a841a0167cdc9bf2.js1569ms1146ms32ms1st
https://m3u8-player.net/792ms43ms74ms1st
https://www.googletagmanager.com/gtag/js?id=G-H2QLDPH4FL557ms392ms89ms3rd
Unattributable448ms15ms0ms1st
https://scripts.clarity.ms/0.8.69/clarity.js282ms249ms11ms3rd
https://m3u8-player.net/_next/static/chunks/7309-893209869a726851.js177ms141ms36ms1st
https://m3u8-player.net/_next/static/chunks/4bd1b696-100b9d70ed4e49c1.js176ms79ms82ms1st
https://m3u8-player.net/_next/static/chunks/8876-643a4521a15d6a59.js111ms57ms53ms1st
https://accounts.google.com/gsi/client81ms37ms41ms3rd
https://m3u8-player.net/_next/static/chunks/webpack-abe38cfdc30a5b6c.js57ms46ms1ms1st

Showing top 10 of 11 scripts

B
JS Bundles
50 scripts, 147 KB unused
REVIEW
50 scripts, 147 KB unused
Warning::
https://accounts.google.com/gsi/client: 77 KB unused (78%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-H2QL...: 70 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 147 KB
147 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://accounts.google.com/gsi/client99 KB77 KB (78%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-H2QLDPH4FL171 KB70 KB (41%)✓3rd
https://static.cloudflareinsights.com/beacon.min.js/v3d52b47920f24c319d37e2661827c42b17875880269259 KB—✓3rd
https://m3u8-player.net/_next/static/chunks/webpack-abe38cfdc30a5b6c.js3 KB—✓1st
https://m3u8-player.net/_next/static/chunks/4bd1b696-100b9d70ed4e49c1.js54 KB—✓1st
https://m3u8-player.net/_next/static/chunks/1255-a841a0167cdc9bf2.js44 KB—✓1st
https://m3u8-player.net/_next/static/chunks/main-app-e6a55fe7ce8ea430.js1 KB—✓1st
https://m3u8-player.net/_next/static/chunks/app/layout-0a23cca7ff5c4ce7.js2 KB—✓1st
https://analytics.ahrefs.com/analytics.js3 KB—✓3rd
https://m3u8-player.net/_next/static/chunks/94730671-970f194c6d449071.js12 KB—✓1st

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

B
JavaScript Blocking
2 JS blocking issue(s) detected
REVIEW
2 JS blocking issue(s) detected
Warning::
1 render-blocking <script src> tag(s) without async/defer
Each `<script src=...>` without `async`, `defer`, or `type="module"` blocks HTML parsing while the browser fetches and executes it. The block lasts the entire round-trip + execution time -- on slow networks this translates directly into LCP delay. Add `defer` (executes after parse, in source order) for scripts that interact with the DOM, or `async` (executes whenever ready) for analytics / independent scripts. Module scripts (`type="module"`) are deferred by default.
Warning::
Total JS execution time is 4.3 s -- over the 3.5s budget
Total JavaScript execution (parse + compile + run) across all scripts exceeds 3.5 seconds. On low-end devices that becomes 7-15+ seconds and shows up directly in TBT and INP. Reduce by: tree-shaking unused dependencies, code-splitting (dynamic `import()`), removing or deferring third-party tracking, and replacing heavy frameworks where they're not needed.
B
HTTP Caching
public, max-age=0, must-revalidate
REVIEW
public, max-age=0, must-revalidate
Info::
Cache-Control header is set
Got: public, max-age=0, must-revalidate
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

public, max-age=0, must-revalidate

DirectiveValueMeaning
public—Any cache may store this response
max-age0Cache for 0 seconds
must-revalidate—Must recheck with server after expiry
A
Page Weight Budget
835 KB transferred, 73 requests
PASS
835 KB transferred, 73 requests
Info::
Page weighs 3.1 MB (835 KB transferred)
Warning::
JavaScript is 720 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 720 KB
Info::
73 HTTP requests
Info::
Estimated 0.17 g CO2 per page load
835 KB / 2.4 MB budget
835 KB transferred
73 requests
0.17 g CO2 per page load
JavaScript 719.5 KiB 86%
HTML 41.5 KiB 5%
Other 26.9 KiB 3%
CSS 23.5 KiB 3%
Images 19.7 KiB 2%
Other 1.5 KiB 0%
Other 1.2 KiB 0%
Other 872 B 0%
Other 467 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

A
Third-Party Impact
38% third-party, 0 ms blocking
PASS
38% third-party, 0 ms blocking
Info::
Third-party code accounts for 38% of page weight (317.0 KiB of 835.2 KiB)
Info::
Third-party blocking time is low (0 ms)
62%
38%
First-party Third-party
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A
Image Optimization
3 images, 0 KB saveable
PASS
3 images, 0 KB saveable
Info::
All images are well-optimized
3 images 20 KB
0 oversized -0 KB
2 legacy format
0 missing dimensions CLS risk
A+
Font Loading
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A
Resource Hints
8 hints, 0 missing preconnects
PASS
8 hints, 0 missing preconnects
Info::
2 dns-prefetch redundant with preconnect on same origin
preconnect already does the DNS lookup; adding dns-prefetch to the same origin is at best a no-op. Sample: https://pagead2.googlesyndication.com, https://www.googletagmanager.com. Remove the redundant dns-prefetch entries.
Info::
2 URL(s) appear in multiple hints
The same href shouldn't appear in multiple hint rels -- one wins, the others are wasted markup and may confuse cache behavior. Sample: https://pagead2.googlesyndication.com (preconnect+dns-prefetch), https://www.googletagmanager.com (preconnect+dns-prefetch).
Info::
Page uses 8 resource hint(s)

Current Resource Hints

preconnect
3
preload
3
dns-prefetch
2
prefetch
—

8 resource hints configured

preconnect already does the DNS lookup; adding dns-prefetch to the same origin is at best a no-op. Sample: https://pagead2.googlesyndication.com, https://www.googletagmanager.com. Remove the redundant dns-prefetch entries.

Why this matters

Performance issues directly impact user engagement and conversion rates.

The same href shouldn't appear in multiple hint rels -- one wins, the others are wasted markup and may confuse cache behavior. Sample: https://pagead2.googlesyndication.com (preconnect+dns-prefetch), https://www.googletagmanager.com (preconnect+dns-prefetch).

Why this matters

Performance issues directly impact user engagement and conversion rates.

A+
HTTP/3 (QUIC)
HTTP/3 advertised via Alt-Svc
PASS
HTTP/3 advertised via Alt-Svc
Info::
HTTP/3 (QUIC) is supported
First-load mobile users on cellular networks see meaningful latency improvements with HTTP/3. The QUIC transport collapses TLS + TCP handshakes into one and recovers faster from packet loss.
A+
Compression Algorithm
Main response uses brotli
PASS
Main response uses brotli
Info::
Main HTML response uses brotli (Content-Encoding: br)
Brotli is the best text-compression algorithm for general use, ~20% smaller than gzip on average (40% on smaller files). Modern browsers all support it.
A+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
LCP image preload audit not available for this scan
A+
Main HTML Cache-Control
Main HTML max-age=0 (≤ 5min) is appropriate
PASS
Main HTML max-age=0 (≤ 5min) is appropriate
Info::
Main HTML max-age=0 (≤ 5min) is appropriate
Got: public, max-age=0, must-revalidate
A+
Server-Timing Observability
3 Server-Timing entries advertised
PASS
3 Server-Timing entries advertised
Info::
Server-Timing header advertises 3 timing entries
A+
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Info::
`Vary` header declared: accept-encoding
The page declares a `Vary` header, telling downstream caches which request headers the response varies on. Critical for content-negotiated responses (compression, language, cookies, device class).
Info::
No `ETag` or `Last-Modified` -- conditional GET not supported
Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.
A+
Page Weight Inventory
73 resources · 835 KB · 147 KB savings available
PASS
73 resources · 835 KB · 147 KB savings available
Info::
Within 1MB page-weight target
Got: 835 KB
Info::
~147 KB of savings available
Info::
18 third-party resources (38% of weight)
73 resources · 835.2 KiB · 18 third-party Within 1MB page-weight target
JavaScript 86% · 719.5 KiB
Document 5% · 41.5 KiB
Other 4% · 30.9 KiB
CSS 3% · 23.5 KiB
Image 2% · 19.7 KiB

~147.1 KiB of savings available

Remove unused JavaScript: 147.1 KiB
A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A+
CSS Performance Depth
No CSS performance depth issues detected
PASS
No CSS performance depth issues detected
Info::
No CSS performance depth issues detected
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
73 requests over 1681ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 4.0 s LCP 8.4 shttps://m3u8-player.net// https://m3u8-player.net/ — 200 — 41.5 KiB — 70 ms — h3https://accounts.google.com/gsi/clientaccounts.google.com/gsi/client https://accounts.google.com/gsi/client — 200 — 99.0 KiB — 283 ms — h2https://www.googletagmanager.com/gtag/js?id=G-H2QLDPH4FLwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-H2QLDPH4FL — 200 — 170.5 KiB — 252 ms — h2https://m3u8-player.net/_next/static/css/7246120ffc5e6ac5.css/_next/static/css/7246120ffc5e6ac5.... https://m3u8-player.net/_next/static/css/7246120ffc5e6ac5.css — 200 — 22.8 KiB — 41 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v3d52b47920f24c319d37e2661827c42b1787588026925static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v3d52b47920f24c319d37e2661827c42b1787588026925 — 200 — 9.5 KiB — 30 ms — h2https://m3u8-player.net/site.webmanifest/site.webmanifest https://m3u8-player.net/site.webmanifest — 200 — 872 B — 73 ms — h3https://m3u8-player.net/_next/static/chunks/webpack-abe38cfdc30a5b6c.js/_next/static/chunks/webpack-abe38c... https://m3u8-player.net/_next/static/chunks/webpack-abe38cfdc30a5b6c.js — 200 — 3.0 KiB — 41 ms — h3https://m3u8-player.net/_next/static/chunks/4bd1b696-100b9d70ed4e49c1.js/_next/static/chunks/4bd1b696-100b9... https://m3u8-player.net/_next/static/chunks/4bd1b696-100b9d70ed4e49c1.js — 200 — 53.7 KiB — 167 ms — h3https://m3u8-player.net/_next/static/chunks/1255-a841a0167cdc9bf2.js/_next/static/chunks/1255-a841a0167... https://m3u8-player.net/_next/static/chunks/1255-a841a0167cdc9bf2.js — 200 — 44.1 KiB — 168 ms — h3https://m3u8-player.net/_next/static/chunks/main-app-e6a55fe7ce8ea430.js/_next/static/chunks/main-app-e6a55... https://m3u8-player.net/_next/static/chunks/main-app-e6a55fe7ce8ea430.js — 200 — 740 B — 102 ms — h3https://m3u8-player.net/_next/static/chunks/app/layout-0a23cca7ff5c4ce7.js/_next/static/chunks/app/layout-0a2... https://m3u8-player.net/_next/static/chunks/app/layout-0a23cca7ff5c4ce7.js — 200 — 2.3 KiB — 52 ms — h3https://analytics.ahrefs.com/analytics.jsanalytics.ahrefs.com/analytics.js https://analytics.ahrefs.com/analytics.js — 200 — 3.0 KiB — 49 ms — h3https://m3u8-player.net/_next/static/chunks/94730671-970f194c6d449071.js/_next/static/chunks/94730671-970f1... https://m3u8-player.net/_next/static/chunks/94730671-970f194c6d449071.js — 200 — 11.5 KiB — 148 ms — h3https://m3u8-player.net/_next/static/chunks/609-67988984df1860c3.js/_next/static/chunks/609-67988984df... https://m3u8-player.net/_next/static/chunks/609-67988984df1860c3.js — 200 — 7.2 KiB — 99 ms — h3https://m3u8-player.net/_next/static/chunks/2619-9686f725ea00966e.js/_next/static/chunks/2619-9686f725e... https://m3u8-player.net/_next/static/chunks/2619-9686f725ea00966e.js — 200 — 3.9 KiB — 191 ms — h3https://m3u8-player.net/_next/static/chunks/5270-af8822eef41052ba.js/_next/static/chunks/5270-af8822eef... https://m3u8-player.net/_next/static/chunks/5270-af8822eef41052ba.js — 200 — 6.8 KiB — 193 ms — h3https://m3u8-player.net/_next/static/chunks/9491-cc57b605dabf1dca.js/_next/static/chunks/9491-cc57b605d... https://m3u8-player.net/_next/static/chunks/9491-cc57b605dabf1dca.js — 200 — 4.5 KiB — 101 ms — h3https://m3u8-player.net/_next/static/chunks/9781-03de138e59cc6709.js/_next/static/chunks/9781-03de138e5... https://m3u8-player.net/_next/static/chunks/9781-03de138e59cc6709.js — 200 — 3.2 KiB — 100 ms — h3https://m3u8-player.net/_next/static/chunks/3487-53ff155d485e07e5.js/_next/static/chunks/3487-53ff155d4... https://m3u8-player.net/_next/static/chunks/3487-53ff155d485e07e5.js — 200 — 14.9 KiB — 216 ms — h3https://m3u8-player.net/_next/static/chunks/2749-c8c18c32c657f951.js/_next/static/chunks/2749-c8c18c32c... https://m3u8-player.net/_next/static/chunks/2749-c8c18c32c657f951.js — 200 — 3.8 KiB — 97 ms — h3https://m3u8-player.net/_next/static/chunks/7545-5caed70feff7124a.js/_next/static/chunks/7545-5caed70fe... https://m3u8-player.net/_next/static/chunks/7545-5caed70feff7124a.js — 200 — 7.6 KiB — 165 ms — h3https://m3u8-player.net/_next/static/chunks/4382-9411de3498c19afb.js/_next/static/chunks/4382-9411de349... https://m3u8-player.net/_next/static/chunks/4382-9411de3498c19afb.js — 200 — 10.9 KiB — 88 ms — h3https://m3u8-player.net/_next/static/chunks/7262-d1089da9c453d9c6.js/_next/static/chunks/7262-d1089da9c... https://m3u8-player.net/_next/static/chunks/7262-d1089da9c453d9c6.js — 200 — 7.8 KiB — 97 ms — h3https://m3u8-player.net/_next/static/chunks/8104-9627a4669539dee6.js/_next/static/chunks/8104-9627a4669... https://m3u8-player.net/_next/static/chunks/8104-9627a4669539dee6.js — 200 — 6.5 KiB — 143 ms — h3https://m3u8-player.net/_next/static/chunks/1919-7f9a223c7a13d0ea.js/_next/static/chunks/1919-7f9a223c7... https://m3u8-player.net/_next/static/chunks/1919-7f9a223c7a13d0ea.js — 200 — 3.3 KiB — 96 ms — h3https://m3u8-player.net/_next/static/chunks/8950-7a329accbc27dce1.js/_next/static/chunks/8950-7a329accb... https://m3u8-player.net/_next/static/chunks/8950-7a329accbc27dce1.js — 200 — 4.1 KiB — 92 ms — h3https://m3u8-player.net/_next/static/chunks/5840-b8b5452300a3074f.js/_next/static/chunks/5840-b8b545230... https://m3u8-player.net/_next/static/chunks/5840-b8b5452300a3074f.js — 200 — 9.6 KiB — 161 ms — h3https://m3u8-player.net/_next/static/chunks/2701-674c18d6402653ed.js/_next/static/chunks/2701-674c18d64... https://m3u8-player.net/_next/static/chunks/2701-674c18d6402653ed.js — 200 — 3.6 KiB — 161 ms — h3https://m3u8-player.net/_next/static/chunks/8466-ac315fc14359b15b.js/_next/static/chunks/8466-ac315fc14... https://m3u8-player.net/_next/static/chunks/8466-ac315fc14359b15b.js — 200 — 3.1 KiB — 84 ms — h3https://m3u8-player.net/_next/static/chunks/6189-b40106482eac7116.js/_next/static/chunks/6189-b40106482... https://m3u8-player.net/_next/static/chunks/6189-b40106482eac7116.js — 200 — 16.3 KiB — 218 ms — h3
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 4.0 s LCP 8.4 shttps://m3u8-player.net// https://m3u8-player.net/ — 200 — 41.5 KiB — 70 ms — h3https://accounts.google.com/gsi/clientaccounts.google.com/gsi/client https://accounts.google.com/gsi/client — 200 — 99.0 KiB — 283 ms — h2https://www.googletagmanager.com/gtag/js?id=G-H2QLDPH4FLwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-H2QLDPH4FL — 200 — 170.5 KiB — 252 ms — h2https://m3u8-player.net/_next/static/css/7246120ffc5e6ac5.css/_next/static/css/7246120ffc5e6ac5.... https://m3u8-player.net/_next/static/css/7246120ffc5e6ac5.css — 200 — 22.8 KiB — 41 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v3d52b47920f24c319d37e2661827c42b1787588026925static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v3d52b47920f24c319d37e2661827c42b1787588026925 — 200 — 9.5 KiB — 30 ms — h2https://m3u8-player.net/site.webmanifest/site.webmanifest https://m3u8-player.net/site.webmanifest — 200 — 872 B — 73 ms — h3https://m3u8-player.net/_next/static/chunks/webpack-abe38cfdc30a5b6c.js/_next/static/chunks/webpack-abe38c... https://m3u8-player.net/_next/static/chunks/webpack-abe38cfdc30a5b6c.js — 200 — 3.0 KiB — 41 ms — h3https://m3u8-player.net/_next/static/chunks/4bd1b696-100b9d70ed4e49c1.js/_next/static/chunks/4bd1b696-100b9... https://m3u8-player.net/_next/static/chunks/4bd1b696-100b9d70ed4e49c1.js — 200 — 53.7 KiB — 167 ms — h3https://m3u8-player.net/_next/static/chunks/1255-a841a0167cdc9bf2.js/_next/static/chunks/1255-a841a0167... https://m3u8-player.net/_next/static/chunks/1255-a841a0167cdc9bf2.js — 200 — 44.1 KiB — 168 ms — h3https://m3u8-player.net/_next/static/chunks/main-app-e6a55fe7ce8ea430.js/_next/static/chunks/main-app-e6a55... https://m3u8-player.net/_next/static/chunks/main-app-e6a55fe7ce8ea430.js — 200 — 740 B — 102 ms — 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
23% of JavaScript execution is third-party
First-party Third-party 971ms · 304KB · €11/mo
Google Tag Manager
Tag Manager
Costly
Execution 557ms
Transfer 171 KB
Unused 41%
Monthly Cost €6/mo
Microsoft Clarity
Session Replay
Costly
Execution 282ms
Transfer 25 KB
Monthly Cost €3/mo
accounts.google.com
Other
Optional
Execution 81ms
Transfer 99 KB
Unused 78%
Monthly Cost €1/mo
static.cloudflareinsights.com
Other
Optional
Execution 52ms
Transfer 9 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 557ms and costs ~€6/month
  • Microsoft Clarity adds 282ms and costs ~€3/month

Google Tag Manager takes 557ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

Microsoft Clarity takes 282ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

78% of accounts.google.com's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

How third-party costs are calculated

Real-User Performance (CrUX)
Field metrics from the Chrome User Experience Report
INFO

Chrome User Experience (CrUX)

Real-user metrics from the Chrome UX Report (2026-07-30 — 2026-08-26)

LCP (p75)

1275 ms

92% good

INP (p75)

197 ms

75% good

CLS (p75)

0.210

55% good

FCP (p75)

1198 ms

TTFB (p75)

678 ms

Image Optimization
12 images, 54 KB total, 0 KB wasted
INFO

Image Optimization Audit

Total Images

12

Total Size

54 KB

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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