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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
36
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.

4.11 s

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

8.79 s

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

1.43 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.

4.41 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.

8.79 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
4503ms total JS execution
FIX
4503ms total JS execution
Warning::
https://m3u8-player.net/_next/static/chunks/1255-a...: 1555ms CPU time
Warning::
https://m3u8-player.net/: 998ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-H2QL...: 559ms CPU time
Warning::
Unattributable: 496ms CPU time
Warning::
https://scripts.clarity.ms/0.8.69/clarity.js: 288ms CPU time
Info::
Third-party scripts: 943ms (21% of total)

Main Thread Breakdown

Script Evaluation 55% Style & Layout 17% Other 13% Script Parsing & Compilation 10%
ScriptTotalScriptingParse/CompileParty
https://m3u8-player.net/_next/static/chunks/1255-a841a0167cdc9bf2.js1555ms1259ms39ms1st
https://m3u8-player.net/998ms86ms74ms1st
https://www.googletagmanager.com/gtag/js?id=G-H2QLDPH4FL559ms387ms95ms3rd
Unattributable496ms15ms0ms1st
https://scripts.clarity.ms/0.8.69/clarity.js288ms244ms12ms3rd
https://m3u8-player.net/_next/static/chunks/5248-d3bf2d714f2558c2.js171ms166ms5ms1st
https://m3u8-player.net/_next/static/chunks/4bd1b696-100b9d70ed4e49c1.js132ms81ms36ms1st
https://m3u8-player.net/_next/static/chunks/8876-643a4521a15d6a59.js116ms61ms54ms1st
https://accounts.google.com/gsi/client95ms39ms54ms3rd
https://m3u8-player.net/_next/static/chunks/7309-893209869a726851.js92ms56ms35ms1st
B
JS Bundles
50 scripts, 146 KB unused
REVIEW
50 scripts, 146 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...: 69 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 146 KB
146 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-H2QLDPH4FL169 KB69 KB (41%)✓3rd
https://static.cloudflareinsights.com/beacon.min.js/v4513226cdae34746b4dedf0b4dfa099e178179150949611 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 4.5 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
885 KB transferred, 72 requests
PASS
885 KB transferred, 72 requests
Info::
Page weighs 3.1 MB (885 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::
72 HTTP requests
Info::
Estimated 0.18 g CO2 per page load
885 KB / 2.4 MB budget
885 KB transferred
72 requests
0.18 g CO2 per page load
JavaScript 720.2 KiB 81%
Other 51.4 KiB 6%
HTML 41.5 KiB 5%
Other 26.9 KiB 3%
CSS 23.5 KiB 3%
Images 19.7 KiB 2%
Other 1.3 KiB 0%
Other 875 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
36% third-party, 0 ms blocking
PASS
36% third-party, 0 ms blocking
Info::
Third-party code accounts for 36% of page weight (317.9 KiB of 885.4 KiB)
Info::
Third-party blocking time is low (0 ms)
64%
36%
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://www.googletagmanager.com (preconnect+dns-prefetch), https://pagead2.googlesyndication.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://www.googletagmanager.com (preconnect+dns-prefetch), https://pagead2.googlesyndication.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
72 resources · 885 KB · 146 KB savings available
PASS
72 resources · 885 KB · 146 KB savings available
Info::
Within 1MB page-weight target
Got: 885 KB
Info::
~146 KB of savings available
Info::
19 third-party resources (36% of weight)
72 resources · 885.4 KiB · 19 third-party Within 1MB page-weight target
JavaScript 81% · 720.2 KiB
Image 8% · 69.9 KiB
Document 5% · 41.5 KiB
Other 3% · 30.3 KiB
CSS 3% · 23.5 KiB

~145.9 KiB of savings available

Remove unused JavaScript: 145.9 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
72 requests over 2035ms
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 9.0 s FCP 4.1 s LCP 8.8 shttps://m3u8-player.net// https://m3u8-player.net/ — 200 — 41.5 KiB — 103 ms — h3https://accounts.google.com/gsi/clientaccounts.google.com/gsi/client https://accounts.google.com/gsi/client — 200 — 99.1 KiB — 206 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 — 169.3 KiB — 255 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 — 33 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v4513226cdae34746b4dedf0b4dfa099e1781791509496static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v4513226cdae34746b4dedf0b4dfa099e1781791509496 — 200 — 11.3 KiB — 44 ms — h2https://m3u8-player.net/site.webmanifest/site.webmanifest https://m3u8-player.net/site.webmanifest — 200 — 875 B — 106 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 — 73 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 — 109 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 — 109 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 — 77 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 — 92 ms — h3https://analytics.ahrefs.com/analytics.jsanalytics.ahrefs.com/analytics.js https://analytics.ahrefs.com/analytics.js — 200 — 3.0 KiB — 80 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 — 108 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 — 109 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 — 218 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 — 219 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 — 146 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 — 146 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 — 228 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 — 145 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 — 99 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 — 116 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 — 152 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 — 115 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 — 217 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 — 113 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 — 181 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 — 213 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 — 145 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 — 214 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 9.0 s FCP 4.1 s LCP 8.8 shttps://m3u8-player.net// https://m3u8-player.net/ — 200 — 41.5 KiB — 103 ms — h3https://accounts.google.com/gsi/clientaccounts.google.com/gsi/client https://accounts.google.com/gsi/client — 200 — 99.1 KiB — 206 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 — 169.3 KiB — 255 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 — 33 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v4513226cdae34746b4dedf0b4dfa099e1781791509496static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v4513226cdae34746b4dedf0b4dfa099e1781791509496 — 200 — 11.3 KiB — 44 ms — h2https://m3u8-player.net/site.webmanifest/site.webmanifest https://m3u8-player.net/site.webmanifest — 200 — 875 B — 106 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 — 73 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 — 109 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 — 109 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 — 77 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
21% of JavaScript execution is third-party
First-party Third-party 943ms · 294KB · €10/mo
Google Tag Manager
Tag Manager
Costly
Execution 559ms
Transfer 169 KB
Unused 41%
Monthly Cost €6/mo
Microsoft Clarity
Session Replay
Costly
Execution 288ms
Transfer 25 KB
Monthly Cost €3/mo
accounts.google.com
Other
Optional
Execution 95ms
Transfer 99 KB
Unused 78%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 559ms and costs ~€6/month
  • Microsoft Clarity adds 288ms and costs ~€3/month

Google Tag Manager takes 559ms 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 288ms 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 (2026-07-28 — 2026-08-24)

LCP (p75)

1278 ms

92% good

INP (p75)

202 ms

75% good

CLS (p75)

0.200

56% good

FCP (p75)

1195 ms

TTFB (p75)

681 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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