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Performance

· 27 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
84
GRADE
B
FIX
4
REVIEW
5
PASS
14
INFO
4

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

Mobile Desktop
40
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
88
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.

7.44 s

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

14.86 s

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

691 ms

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

0.000

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

7.73 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.

14.86 s

Page Load Progression

673 ms
1.3 s
2.0 s
2.7 s
3.4 s
4.0 s
4.7 s
5.4 s
Checks
27
14 PASS 5 REVIEW 4 FIX
D
Page Weight Budget
Action
2.2 MB transferred, 84 requests
FIX
2.2 MB transferred, 84 requests
Info::
Page weighs 4.4 MB (2.2 MB transferred)
Warning::
JavaScript is 832 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 832 KB
Info::
84 HTTP requests
Info::
Estimated 0.46 g CO2 per page load
2.2 MB / 2.4 MB budget
2.2 MB transferred
84 requests
0.46 g CO2 per page load
Other 863.3 KiB 39%
JavaScript 831.7 KiB 37%
Images 431.7 KiB 19%
Fonts 48.7 KiB 2%
HTML 27.0 KiB 1%
CSS 24.9 KiB 1%
Other 1.2 KiB 0%
Other 914 B 0%
0 2.4 MB 4.9 MB
Approaching limit

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

F
JS Execution Cost
Action
6258ms total JS execution
FIX
6258ms total JS execution
Warning::
https://mushirai.com/assets/react-Cf5d_OIU.js: 2077ms CPU time
Warning::
https://mushirai.com/: 1493ms CPU time
Warning::
https://mushirai.com/assets/index-CEDbVUjK.js: 1415ms CPU time
Warning::
Unattributable: 742ms CPU time
Warning::
https://scripts.clarity.ms/0.8.69/clarity.js: 470ms CPU time
Info::
Third-party scripts: 470ms (8% of total)

Main Thread Breakdown

Script Evaluation 39% Other 30% Style & Layout 19% Rendering 9%
ScriptTotalScriptingParse/CompileParty
https://mushirai.com/assets/react-Cf5d_OIU.js2077ms750ms0ms1st
https://mushirai.com/1493ms13ms4ms1st
https://mushirai.com/assets/index-CEDbVUjK.js1415ms1231ms10ms1st
Unattributable742ms8ms0ms1st
https://scripts.clarity.ms/0.8.69/clarity.js470ms378ms8ms3rd
https://mushirai.com/~flock.js61ms41ms2ms1st
D
JS Bundles
Action
71 scripts, 426 KB unused
FIX
71 scripts, 426 KB unused
Warning::
https://mushirai.com/assets/index-CEDbVUjK.js: 358 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://mushirai.com/assets/chunk-WYO6CB5R-CjTs-WD...: 26 KB unused (76%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://mushirai.com/assets/chunk-ZGVPDNZ5-B71fVgC...: 21 KB unused (89%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://mushirai.com/assets/react-Cf5d_OIU.js: 20 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 426 KB
426 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://mushirai.com/assets/index-CEDbVUjK.js540 KB358 KB (67%)✓1st
https://mushirai.com/assets/chunk-WYO6CB5R-CjTs-WD8.js35 KB26 KB (76%)✓1st
https://mushirai.com/assets/chunk-ZGVPDNZ5-B71fVgCd.js24 KB21 KB (89%)✓1st
https://mushirai.com/assets/react-Cf5d_OIU.js40 KB20 KB (51%)✓1st
https://mushirai.com/assets/chunk-CMxvf4Kt.js1 KB—✓1st
https://mushirai.com/assets/preload-helper-zJ_50EbN.js1 KB—✓1st
https://mushirai.com/assets/chunk-HOUHSVGY-qzHz3hOu.js3 KB—✓1st
https://mushirai.com/assets/dist-ChiWzCW9.js0 KB—✓1st
https://mushirai.com/assets/chunk-7BUUIJ7U-Bb538aSH.js1 KB—✓1st
https://mushirai.com/assets/chunk-C7G6YPKG-DzuK13ng.js1 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

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

D
Page Weight Inventory
Action
84 resources · 2.2 MB · 426 KB savings available
FIX
84 resources · 2.2 MB · 426 KB savings available
Warning::
Page weight 2.2 MB exceeds 1 MB target by 1.2 MB
Got: 2.2 MB Expected: ≤ 1 MB
Info::
~426 KB of savings available
Info::
8 third-party resources (3% of weight)
Info::
4 resources over 200KB
84 resources · 2.2 MiB · 8 third-party 1.2 MiB over 1MB target
Image 58% · 1.3 MiB
JavaScript 37% · 831.7 KiB
Font 2% · 48.7 KiB
Document 1% · 27.0 KiB
CSS 1% · 24.9 KiB
Other 0% · 2.1 KiB

~425.7 KiB of savings available

Remove unused JavaScript: 425.7 KiB
B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
HTTP/3 (QUIC) is not advertised
HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.
B
Document Compression
Document response uses gzip; brotli would be ~20% smaller
REVIEW
Document response uses gzip; brotli would be ~20% smaller
Info::
Main HTML response uses gzip (brotli would be ~20% smaller)
All current browsers support brotli. Most CDNs (Cloudflare, Fastly, AWS CloudFront, Vercel, Netlify) can switch from gzip to brotli with a single config flag. Origin servers (nginx, Apache) need a brotli module compiled in -- nginx-brotli or Apache mod_brotli.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

B
HTTP Caching
no-cache, must-revalidate, max-age=0
REVIEW
no-cache, must-revalidate, max-age=0
Info::
Cache-Control header is set
Got: no-cache, must-revalidate, max-age=0
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-cache, must-revalidate, max-age=0

DirectiveValueMeaning
no-cache—Cache but always revalidate first
must-revalidate—Must recheck with server after expiry
max-age0Cache for 0 seconds
A+
Third-Party Impact
3% third-party, 0 ms blocking
PASS
3% third-party, 0 ms blocking
Info::
Third-party code accounts for 3% of page weight (77.1 KiB of 2.2 MiB)
Info::
Third-party blocking time is low (0 ms)
97%
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
1 images, 0 KB saveable
PASS
1 images, 0 KB saveable
Info::
All images are well-optimized
1 images 432 KB
0 oversized -0 KB
1 legacy format
0 missing dimensions CLS risk
A+
Font Loading
2 fonts (49 KB)
PASS
2 fonts (49 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

49 KB total

Render-blocking

0

of 2

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s FCP 7.4 s LCP 14.9 shttps://fonts.gstatic.com/s/sora/v17/xMQ9uFFYT72X5wkB_18qmnndmSdSnh2BAfO5mnuyOo1lfiQwV6-xo6eeIw.woff2xMQ9uFFYT72X5wkB_18qmnn... https://fonts.gstatic.com/s/sora/v17/xMQ9uFFYT72X5wkB_18qmnndmSdSnh2BAfO5mnuyOo1lfiQwV6-xo6eeIw.woff2 — 24.7 KiB — 54 ms — font-display: swaphttps://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2xn7gYHE41ni1AdIRggexSvf... https://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2 — 24.0 KiB — 65 ms — font-display: swap
xMQ9uFFYT72X5wkB_18qmnn... woff2 swap
Size 25 KB
Load time 54 ms
Start 797 ms
Risk FOUT — text flashes from fallback to web font
xn7gYHE41ni1AdIRggexSvf... woff2 swap
Size 24 KB
Load time 65 ms
Start 798 ms
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
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
4 hints, 0 missing preconnects
PASS
4 hints, 0 missing preconnects
Info::
Page uses 4 resource hint(s)

Current Resource Hints

preconnect
3
preload
1
dns-prefetch
—
prefetch
—

4 resource hints configured

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 uses no-cache -- safe revalidate-on-request policy
PASS
Main HTML uses no-cache -- safe revalidate-on-request policy
Info::
Main HTML uses no-cache -- safe revalidate-on-request policy
Got: no-cache, must-revalidate, max-age=0
A
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Warning::
Compressed response missing `Vary` header
The page is served with `Content-Encoding: gzip` but has no `Vary` header. Without `Vary: Accept-Encoding`, intermediary caches (corporate proxies, ISP caches) may serve the compressed variant to clients that didn't send the matching `Accept-Encoding` -- the client sees garbled bytes. Add `Vary: Accept-Encoding` whenever the response is conditionally compressed.
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+
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
JavaScript Blocking
1 JS blocking issue(s) detected
PASS
1 JS blocking issue(s) detected
Warning::
Total JS execution time is 6.3 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.
A+
CSS Performance Depth
No CSS performance depth issues detected
PASS
No CSS performance depth issues detected
Info::
No CSS performance depth issues detected
Asset Compression
No text asset hosts to measure
INFO
No text asset hosts to measure
Info::
No third-party or subdomain host served enough text assets to measure
Asset compression is measured per host, from one HEAD request against a sampled resource. Pages that serve all their JS and CSS from the document's own origin are covered by the document compression check instead.
Network Waterfall
84 requests over 3076ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s FCP 7.4 s LCP 14.9 shttps://mushirai.com// https://mushirai.com/ — 200 — 27.0 KiB — 337 ms — h2https://mushirai.com/assets/logo-BRTYyo3I.png/assets/logo-BRTYyo3I.png https://mushirai.com/assets/logo-BRTYyo3I.png — 200 — 431.7 KiB — 253 ms — h2https://mushirai.com/assets/styles-DToaqAZZ.css/assets/styles-DToaqAZZ.css https://mushirai.com/assets/styles-DToaqAZZ.css — 200 — 23.6 KiB — 219 ms — h2https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swapfonts.googleapis.com/css2?family=So... https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swap — 200 — 1.3 KiB — 152 ms — h2https://mushirai.com/assets/index-CEDbVUjK.js/assets/index-CEDbVUjK.js https://mushirai.com/assets/index-CEDbVUjK.js — 200 — 539.6 KiB — 426 ms — h2https://mushirai.com/assets/chunk-CMxvf4Kt.js/assets/chunk-CMxvf4Kt.js https://mushirai.com/assets/chunk-CMxvf4Kt.js — 200 — 727 B — 233 ms — h2https://mushirai.com/assets/preload-helper-zJ_50EbN.js/assets/preload-helper-zJ_50EbN.js https://mushirai.com/assets/preload-helper-zJ_50EbN.js — 200 — 738 B — 183 ms — h2https://mushirai.com/assets/chunk-HOUHSVGY-qzHz3hOu.js/assets/chunk-HOUHSVGY-qzHz3hOu.js https://mushirai.com/assets/chunk-HOUHSVGY-qzHz3hOu.js — 200 — 2.7 KiB — 228 ms — h2https://mushirai.com/assets/dist-ChiWzCW9.js/assets/dist-ChiWzCW9.js https://mushirai.com/assets/dist-ChiWzCW9.js — 200 — 383 B — 228 ms — h2https://mushirai.com/assets/chunk-7BUUIJ7U-Bb538aSH.js/assets/chunk-7BUUIJ7U-Bb538aSH.js https://mushirai.com/assets/chunk-7BUUIJ7U-Bb538aSH.js — 200 — 876 B — 241 ms — h2https://mushirai.com/assets/chunk-C7G6YPKG-DzuK13ng.js/assets/chunk-C7G6YPKG-DzuK13ng.js https://mushirai.com/assets/chunk-C7G6YPKG-DzuK13ng.js — 200 — 956 B — 167 ms — h2https://mushirai.com/assets/chunk-ICXQ74PX-MWFKpKQt.js/assets/chunk-ICXQ74PX-MWFKpKQt.js https://mushirai.com/assets/chunk-ICXQ74PX-MWFKpKQt.js — 200 — 7.1 KiB — 158 ms — h2https://mushirai.com/assets/chunk-OGEWGWER-BzDsiP25.js/assets/chunk-OGEWGWER-BzDsiP25.js https://mushirai.com/assets/chunk-OGEWGWER-BzDsiP25.js — 200 — 695 B — 150 ms — h2https://mushirai.com/assets/chunk-Q4XR5HBZ-Dr2XlxqS.js/assets/chunk-Q4XR5HBZ-Dr2XlxqS.js https://mushirai.com/assets/chunk-Q4XR5HBZ-Dr2XlxqS.js — 200 — 14.3 KiB — 239 ms — h2https://mushirai.com/assets/chunk-WYO6CB5R-CjTs-WD8.js/assets/chunk-WYO6CB5R-CjTs-WD8.js https://mushirai.com/assets/chunk-WYO6CB5R-CjTs-WD8.js — 200 — 34.5 KiB — 244 ms — h2https://mushirai.com/assets/src-Cfr4t0O6.js/assets/src-Cfr4t0O6.js https://mushirai.com/assets/src-Cfr4t0O6.js — 200 — 12.1 KiB — 226 ms — h2https://mushirai.com/assets/chunk-Y2CYZVJY-DsF7k-Jl.js/assets/chunk-Y2CYZVJY-DsF7k-Jl.js https://mushirai.com/assets/chunk-Y2CYZVJY-DsF7k-Jl.js — 200 — 197 B — 193 ms — h2https://mushirai.com/assets/chunk-ZGVPDNZ5-B71fVgCd.js/assets/chunk-ZGVPDNZ5-B71fVgCd.js https://mushirai.com/assets/chunk-ZGVPDNZ5-B71fVgCd.js — 200 — 24.0 KiB — 197 ms — h2https://mushirai.com/assets/link-U-g99vYk.js/assets/link-U-g99vYk.js https://mushirai.com/assets/link-U-g99vYk.js — 200 — 8.3 KiB — 189 ms — h2https://mushirai.com/assets/useRouter-9tx_ZkAA.js/assets/useRouter-9tx_ZkAA.js https://mushirai.com/assets/useRouter-9tx_ZkAA.js — 200 — 494 B — 167 ms — h2https://mushirai.com/assets/redirect-DCb_aIiF.js/assets/redirect-DCb_aIiF.js https://mushirai.com/assets/redirect-DCb_aIiF.js — 200 — 410 B — 173 ms — h2https://mushirai.com/assets/qss-CuvTgpZA.js/assets/qss-CuvTgpZA.js https://mushirai.com/assets/qss-CuvTgpZA.js — 200 — 324 B — 169 ms — h2https://mushirai.com/assets/root-DLTE-HSj.js/assets/root-DLTE-HSj.js https://mushirai.com/assets/root-DLTE-HSj.js — 200 — 119 B — 184 ms — h2https://mushirai.com/assets/createServerFn-rgVBYFFq.js/assets/createServerFn-rgVBYFFq.js https://mushirai.com/assets/createServerFn-rgVBYFFq.js — 200 — 11.1 KiB — 253 ms — h2https://mushirai.com/assets/bundle-mjs-ry-q0ArR.js/assets/bundle-mjs-ry-q0ArR.js https://mushirai.com/assets/bundle-mjs-ry-q0ArR.js — 200 — 8.1 KiB — 309 ms — h2https://mushirai.com/assets/step-D4Q0arzR.js/assets/step-D4Q0arzR.js https://mushirai.com/assets/step-D4Q0arzR.js — 200 — 1.7 KiB — 322 ms — h2https://mushirai.com/assets/line-BMvOdiSv.js/assets/line-BMvOdiSv.js https://mushirai.com/assets/line-BMvOdiSv.js — 200 — 519 B — 232 ms — h2https://mushirai.com/assets/createLucideIcon-DsQZXInX.js/assets/createLucideIcon-DsQZXInX.j... https://mushirai.com/assets/createLucideIcon-DsQZXInX.js — 200 — 761 B — 246 ms — h2https://mushirai.com/assets/react-dom-Dvxju874.js/assets/react-dom-Dvxju874.js https://mushirai.com/assets/react-dom-Dvxju874.js — 200 — 1.4 KiB — 357 ms — h2https://mushirai.com/assets/jsx-runtime-sLPvdpSW.js/assets/jsx-runtime-sLPvdpSW.js https://mushirai.com/assets/jsx-runtime-sLPvdpSW.js — 200 — 350 B — 460 ms — h2
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s FCP 7.4 s LCP 14.9 shttps://mushirai.com// https://mushirai.com/ — 200 — 27.0 KiB — 337 ms — h2https://mushirai.com/assets/logo-BRTYyo3I.png/assets/logo-BRTYyo3I.png https://mushirai.com/assets/logo-BRTYyo3I.png — 200 — 431.7 KiB — 253 ms — h2https://mushirai.com/assets/styles-DToaqAZZ.css/assets/styles-DToaqAZZ.css https://mushirai.com/assets/styles-DToaqAZZ.css — 200 — 23.6 KiB — 219 ms — h2https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swapfonts.googleapis.com/css2?family=So... https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swap — 200 — 1.3 KiB — 152 ms — h2https://mushirai.com/assets/index-CEDbVUjK.js/assets/index-CEDbVUjK.js https://mushirai.com/assets/index-CEDbVUjK.js — 200 — 539.6 KiB — 426 ms — h2https://mushirai.com/assets/chunk-CMxvf4Kt.js/assets/chunk-CMxvf4Kt.js https://mushirai.com/assets/chunk-CMxvf4Kt.js — 200 — 727 B — 233 ms — h2https://mushirai.com/assets/preload-helper-zJ_50EbN.js/assets/preload-helper-zJ_50EbN.js https://mushirai.com/assets/preload-helper-zJ_50EbN.js — 200 — 738 B — 183 ms — h2https://mushirai.com/assets/chunk-HOUHSVGY-qzHz3hOu.js/assets/chunk-HOUHSVGY-qzHz3hOu.js https://mushirai.com/assets/chunk-HOUHSVGY-qzHz3hOu.js — 200 — 2.7 KiB — 228 ms — h2https://mushirai.com/assets/dist-ChiWzCW9.js/assets/dist-ChiWzCW9.js https://mushirai.com/assets/dist-ChiWzCW9.js — 200 — 383 B — 228 ms — h2https://mushirai.com/assets/chunk-7BUUIJ7U-Bb538aSH.js/assets/chunk-7BUUIJ7U-Bb538aSH.js https://mushirai.com/assets/chunk-7BUUIJ7U-Bb538aSH.js — 200 — 876 B — 241 ms — h2https://mushirai.com/assets/chunk-C7G6YPKG-DzuK13ng.js/assets/chunk-C7G6YPKG-DzuK13ng.js https://mushirai.com/assets/chunk-C7G6YPKG-DzuK13ng.js — 200 — 956 B — 167 ms — h2https://mushirai.com/assets/chunk-ICXQ74PX-MWFKpKQt.js/assets/chunk-ICXQ74PX-MWFKpKQt.js 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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
8% of JavaScript execution is third-party
First-party Third-party 470ms · 25KB · €8/mo
Microsoft Clarity
Session Replay
Costly
Execution 470ms
Transfer 25 KB
Monthly Cost €8/mo

These scripts may cost more than they're worth

  • Microsoft Clarity adds 470ms and costs ~€8/month

Microsoft Clarity takes 470ms 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

How third-party costs are calculated

Image Optimization
2 images, 862 KB total, 430 KB wasted
INFO

Image Optimization Audit

Total Images

2

Total Size

862 KB

Oversized

1

Wasted

430 KB

1 missing lazy loading
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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