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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
74
GRADE
C
FIX
5
REVIEW
2
PASS
8
INFO
2

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

Mobile Desktop
55
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
86
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.
83
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.

3.40 s

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

7.13 s

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

553 ms

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

0.001

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

3.53 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.

14.12 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
17
8 PASS 2 REVIEW 5 FIX
D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (1.6 MiB of 1.6 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
2786ms total JS execution
FIX
2786ms total JS execution
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 768ms CPU time
Warning::
Unattributable: 565ms CPU time
Warning::
https://free-url-shortener.rb.gy/commons-349c6a23c...: 464ms CPU time
Warning::
https://free-url-shortener.rb.gy/: 440ms CPU time
Warning::
https://app.termly.io/embed.min.js: 319ms CPU time
Warning::
Third-party scripts: 2786ms (100% of total)

Main Thread Breakdown

Script Evaluation 50% Other 27% Style & Layout 9% Script Parsing & Compilation 8% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js768ms599ms74ms3rd
Unattributable565ms9ms0ms3rd
https://free-url-shortener.rb.gy/commons-349c6a23c2beb7df7416.js464ms409ms18ms3rd
https://free-url-shortener.rb.gy/440ms24ms3ms3rd
https://app.termly.io/embed.min.js319ms250ms32ms3rd
https://free-url-shortener.rb.gy/framework-be2e4290d4590e93c60c.js149ms72ms8ms3rd
https://free-url-shortener.rb.gy/bbcc82e1-52e836caab97b9657fb8.js82ms2ms56ms3rd
F
JS Bundles
Action
18 scripts, 753 KB unused
FIX
18 scripts, 753 KB unused
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 177 KB unused (49%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 177 KB unused (49%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 177 KB unused (49%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://free-url-shortener.rb.gy/bbcc82e1-52e836ca...: 104 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://app.termly.io/embed.min.js: 65 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 753 KB
753 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js0 KB177 KB (49%)✓3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js362 KB177 KB (49%)✓3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js362 KB177 KB (49%)✓3rd
https://free-url-shortener.rb.gy/bbcc82e1-52e836caab97b9657fb8.js150 KB104 KB (70%)✓3rd
https://app.termly.io/embed.min.js160 KB65 KB (41%)✓3rd
https://free-url-shortener.rb.gy/commons-349c6a23c2beb7df7416.js63 KB29 KB (46%)✓3rd
https://free-url-shortener.rb.gy/app-76e54578f3887fbced42.js41 KB22 KB (54%)✓3rd
https://free-url-shortener.rb.gy/302-ce9b914743e62d692d93.js3 KB—✓3rd
https://free-url-shortener.rb.gy/component---src-pages-index-js-5bf71103f622dfdbdb14.js7 KB—✓3rd
https://www.google.com/recaptcha/api.js?render=6LcKApAqAAAAAHavw1V1f5eliKzxKcnEV6Dwo00x1 KB—✓3rd

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

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

F
Page Weight Inventory
Action
86 resources · 1.6 MB · 753 KB savings available
FIX
86 resources · 1.6 MB · 753 KB savings available
Warning::
Page weight 658 KB over 1MB target
Got: 1.6 MB Expected: ≤ 1 MB
Info::
~753 KB of savings available
Warning::
85 third-party resources (100% of weight)
Info::
2 resources over 200KB
86 resources · 1.6 MiB · 85 third-party 657.9 KiB over 1MB target
JavaScript 75% · 1.2 MiB
Image 16% · 266.5 KiB
Document 4% · 68.6 KiB
CSS 3% · 43.3 KiB
Font 2% · 34.0 KiB
Other 1% · 14.2 KiB

~752.6 KiB of savings available

Remove unused JavaScript: 752.6 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

C
Page Weight Budget
Action
1.6 MB transferred, 86 requests
REVIEW
1.6 MB transferred, 86 requests
Info::
Page weighs 5.3 MB (1.6 MB transferred)
Warning::
JavaScript is 1.2 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.2 MB
Info::
86 HTTP requests
Info::
Estimated 0.34 g CO2 per page load
1.6 MB / 2.4 MB budget
1.6 MB transferred
86 requests
0.34 g CO2 per page load
JavaScript 1.2 MiB 75%
Images 239.2 KiB 14%
HTML 68.6 KiB 4%
CSS 43.3 KiB 3%
Fonts 34.0 KiB 2%
Other 23.5 KiB 1%
Other 15.9 KiB 1%
Other 1.4 KiB 0%
Other 856 B 0%
Other 0 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

C
Image Optimization
Action
35 images, 0 KB saveable
REVIEW
35 images, 0 KB saveable
Warning::
https://free-url-shortener.rb.gy/images/star.svg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://free-url-shortener.rb.gy/images/star-half.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
35 images 239 KB
0 oversized -0 KB
35 legacy format
2 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

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+
Font Loading
2 fonts (34 KB)
PASS
2 fonts (34 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

34 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 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s FCP 3.4 s LCP 7.1 sdata:font/woff2;base64,ZXhwb3J0IGRlZmF1bHQgX193ZWJwYWNrX3B1YmxpY19wYXRoX18gKyAic3RhdGljL0NhdGFsb2d1…woff2;base64,ZXhwb3J0IG... data:font/woff2;base64,ZXhwb3J0IGRlZmF1bHQgX193ZWJwYWNrX3B1YmxpY19wYXRoX18gKyAic3RhdGljL0NhdGFsb2d1… — 78 B — 26 ms — font-display: swaphttps://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 33.9 KiB — 65 ms — font-display: swap
woff2;base64,ZXhwb3J0IG... woff2 swap
Size 0 KB
Load time 26 ms
Start 937 ms
Risk FOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 34 KB
Load time 65 ms
Start 2.2 s
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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
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+
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
86 requests over 2406ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s FCP 3.4 s LCP 7.1 shttps://rb.gy// https://rb.gy/ — 302 — 428 B — 179 ms — h2https://free-url-shortener.rb.gy/free-url-shortener.rb.gy/ https://free-url-shortener.rb.gy/ — 200 — 41.0 KiB — 626 ms — h2https://use.typekit.net/waw8itp.cssuse.typekit.net/waw8itp.css https://use.typekit.net/waw8itp.css — 200 — 979 B — 54 ms — h2https://free-url-shortener.rb.gy/images/url-shortener.svgfree-url-shortener.rb.gy/images/url... https://free-url-shortener.rb.gy/images/url-shortener.svg — 200 — 1.9 KiB — 24 ms — h2https://free-url-shortener.rb.gy/images/star.svgfree-url-shortener.rb.gy/images/sta... https://free-url-shortener.rb.gy/images/star.svg — 200 — 736 B — 24 ms — h2https://free-url-shortener.rb.gy/manifest.webmanifestfree-url-shortener.rb.gy/manifest.w... https://free-url-shortener.rb.gy/manifest.webmanifest — 200 — 1.4 KiB — 64 ms — h2https://free-url-shortener.rb.gy/images/star-half.svgfree-url-shortener.rb.gy/images/sta... https://free-url-shortener.rb.gy/images/star-half.svg — 200 — 839 B — 23 ms — h2https://p.typekit.net/p.css?s=1&k=waw8itp&ht=tk&f=173.175.5474.5475&a=1019361&app=typekit&e=cssp.typekit.net/p.css?s=1&k=waw8itp&h... https://p.typekit.net/p.css?s=1&k=waw8itp&ht=tk&f=173.175.5474.5475&a=1019361&app=typekit&e=css — 200 — 172 B — 54 ms — h2https://free-url-shortener.rb.gy/app-76e54578f3887fbced42.jsfree-url-shortener.rb.gy/app-76e545... https://free-url-shortener.rb.gy/app-76e54578f3887fbced42.js — 200 — 41.3 KiB — 31 ms — h2https://free-url-shortener.rb.gy/framework-be2e4290d4590e93c60c.jsfree-url-shortener.rb.gy/framework-... https://free-url-shortener.rb.gy/framework-be2e4290d4590e93c60c.js — 200 — 40.3 KiB — 28 ms — h2https://free-url-shortener.rb.gy/webpack-runtime-349a61caf093fd5a0b1f.jsfree-url-shortener.rb.gy/webpack-ru... https://free-url-shortener.rb.gy/webpack-runtime-349a61caf093fd5a0b1f.js — 200 — 2.4 KiB — 22 ms — h2data:font/woff2;base64,ZXhwb3J0IGRlZmF1bHQgX193ZWJwYWNrX3B1YmxpY19wYXRoX18gKyAic3RhdGljL0NhdGFsb2d1…data:font/woff2;base64,ZXhwb3J0IGRl... data:font/woff2;base64,ZXhwb3J0IGRlZmF1bHQgX193ZWJwYWNrX3B1YmxpY19wYXRoX18gKyAic3RhdGljL0NhdGFsb2d1… — 200 — 78 B — 26 ms — datahttps://app.termly.io/embed.min.jsapp.termly.io/embed.min.js https://app.termly.io/embed.min.js — 200 — 159.7 KiB — 133 ms — h2https://free-url-shortener.rb.gy/page-data/app-data.jsonfree-url-shortener.rb.gy/page-data/... https://free-url-shortener.rb.gy/page-data/app-data.json — 200 — 478 B — 303 ms — h2https://free-url-shortener.rb.gy/page-data/index/page-data.jsonfree-url-shortener.rb.gy/page-data/... https://free-url-shortener.rb.gy/page-data/index/page-data.json — 200 — 545 B — 299 ms — h2https://app.termly.io/api/v1/snippets/websites/61bb2db1-af48-413b-92ac-290a30774ccbapp.termly.io/api/v1/snippets/websi... https://app.termly.io/api/v1/snippets/websites/61bb2db1-af48-413b-92ac-290a30774ccb — 200 — 2.5 KiB — 221 ms — h3https://app.termly.io/api/v1/ipapp.termly.io/api/v1/ip https://app.termly.io/api/v1/ip — 200 — 727 B — 195 ms — h3https://free-url-shortener.rb.gy/favicon-32x32.png?v=96b037e9b0aa84e6ceaa0b38baf9294cfree-url-shortener.rb.gy/favicon-32... https://free-url-shortener.rb.gy/favicon-32x32.png?v=96b037e9b0aa84e6ceaa0b38baf9294c — 200 — 1.1 KiB — 24 ms — h2https://free-url-shortener.rb.gy/icons/icon-144x144.png?v=d165b21da0d60dd0cd1ec28efccc9597free-url-shortener.rb.gy/icons/icon... https://free-url-shortener.rb.gy/icons/icon-144x144.png?v=d165b21da0d60dd0cd1ec28efccc9597 — 200 — 14.4 KiB — 26 ms — h2https://free-url-shortener.rb.gy/bbcc82e1-52e836caab97b9657fb8.jsfree-url-shortener.rb.gy/bbcc82e1-5... https://free-url-shortener.rb.gy/bbcc82e1-52e836caab97b9657fb8.js — 200 — 150.3 KiB — 50 ms — h2https://free-url-shortener.rb.gy/commons-349c6a23c2beb7df7416.jsfree-url-shortener.rb.gy/commons-34... https://free-url-shortener.rb.gy/commons-349c6a23c2beb7df7416.js — 200 — 62.8 KiB — 61 ms — h2https://free-url-shortener.rb.gy/d875fa7cd6b6edfd1e0279789ce19c4eb85276ac-e7402197cde583b0517a.jsfree-url-shortener.rb.gy/d875fa7cd6... https://free-url-shortener.rb.gy/d875fa7cd6b6edfd1e0279789ce19c4eb85276ac-e7402197cde583b0517a.js — 200 — 47.8 KiB — 55 ms — h2https://free-url-shortener.rb.gy/component---src-pages-index-js-5bf71103f622dfdbdb14.jsfree-url-shortener.rb.gy/component-... https://free-url-shortener.rb.gy/component---src-pages-index-js-5bf71103f622dfdbdb14.js — 200 — 6.9 KiB — 56 ms — h2https://app.termly.io/api/v1/snippets/websites/61bb2db1-af48-413b-92ac-290a30774ccb/statisticsapp.termly.io/api/v1/snippets/websi... https://app.termly.io/api/v1/snippets/websites/61bb2db1-af48-413b-92ac-290a30774ccb/statistics — 200 — 0 B — 204 ms — h3https://app.termly.io/api/v1/snippets/websites/61bb2db1-af48-413b-92ac-290a30774ccb/cookies?lang=enapp.termly.io/api/v1/snippets/websi... https://app.termly.io/api/v1/snippets/websites/61bb2db1-af48-413b-92ac-290a30774ccb/cookies?lang=en — 200 — 3.3 KiB — 184 ms — h3https://dashboard-cdn.rebrandly.com/styleguide-assets/icons/ic-link.svgdashboard-cdn.rebrandly.com/stylegu... https://dashboard-cdn.rebrandly.com/styleguide-assets/icons/ic-link.svg — 200 — 1.0 KiB — 91 ms — h2https://dashboard-cdn.rebrandly.com/styleguide-assets/icons/ic-menu.svgdashboard-cdn.rebrandly.com/stylegu... https://dashboard-cdn.rebrandly.com/styleguide-assets/icons/ic-menu.svg — 200 — 1.3 KiB — 101 ms — h2https://dashboard-cdn.rebrandly.com/styleguide-assets/icons/ic-chevron-right.svgdashboard-cdn.rebrandly.com/stylegu... https://dashboard-cdn.rebrandly.com/styleguide-assets/icons/ic-chevron-right.svg — 200 — 730 B — 91 ms — h2https://free-url-shortener.rb.gy/302-ce9b914743e62d692d93.jsfree-url-shortener.rb.gy/302-ce9b91... https://free-url-shortener.rb.gy/302-ce9b914743e62d692d93.js — 200 — 3.4 KiB — 22 ms — h2https://dashboard-cdn.rebrandly.com/styleguide-assets/icons/ic-qrcode.svgdashboard-cdn.rebrandly.com/stylegu... https://dashboard-cdn.rebrandly.com/styleguide-assets/icons/ic-qrcode.svg — 200 — 1.3 KiB — 95 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s FCP 3.4 s LCP 7.1 shttps://rb.gy// https://rb.gy/ — 302 — 428 B — 179 ms — h2https://free-url-shortener.rb.gy/free-url-shortener.rb.gy/ https://free-url-shortener.rb.gy/ — 200 — 41.0 KiB — 626 ms — h2https://use.typekit.net/waw8itp.cssuse.typekit.net/waw8itp.css https://use.typekit.net/waw8itp.css — 200 — 979 B — 54 ms — h2https://free-url-shortener.rb.gy/images/url-shortener.svgfree-url-shortener.rb.gy/images/url... https://free-url-shortener.rb.gy/images/url-shortener.svg — 200 — 1.9 KiB — 24 ms — h2https://free-url-shortener.rb.gy/images/star.svgfree-url-shortener.rb.gy/images/sta... https://free-url-shortener.rb.gy/images/star.svg — 200 — 736 B — 24 ms — h2https://free-url-shortener.rb.gy/manifest.webmanifestfree-url-shortener.rb.gy/manifest.w... https://free-url-shortener.rb.gy/manifest.webmanifest — 200 — 1.4 KiB — 64 ms — h2https://free-url-shortener.rb.gy/images/star-half.svgfree-url-shortener.rb.gy/images/sta... 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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
100% of JavaScript execution is third-party
First-party Third-party 2786ms · 454KB · €30/mo
www.gstatic.com
Other
Costly
Execution 768ms
Transfer 0 KB
Unused 49%
Monthly Cost €8/mo
Unattributable
Other
Costly
Execution 565ms
Transfer 0 KB
Monthly Cost €6/mo
free-url-shortener.rb.gy
Other
Costly
Execution 464ms
Transfer 63 KB
Unused 46%
Monthly Cost €5/mo
free-url-shortener.rb.gy
Other
Costly
Execution 440ms
Transfer 41 KB
Monthly Cost €5/mo
app.termly.io
Other
Costly
Execution 319ms
Transfer 160 KB
Unused 41%
Monthly Cost €3/mo
free-url-shortener.rb.gy
Other
Optional
Execution 149ms
Transfer 40 KB
Monthly Cost €2/mo
free-url-shortener.rb.gy
Other
Optional
Execution 82ms
Transfer 150 KB
Unused 70%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.gstatic.com adds 768ms and costs ~€8/month
  • Unattributable adds 565ms and costs ~€6/month
  • free-url-shortener.rb.gy adds 464ms and costs ~€5/month
  • free-url-shortener.rb.gy adds 440ms and costs ~€5/month
  • app.termly.io adds 319ms and costs ~€3/month

100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.

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Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.

Source: web.dev

www.gstatic.com takes 768ms 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

Unattributable takes 565ms 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

free-url-shortener.rb.gy takes 464ms 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

free-url-shortener.rb.gy takes 440ms 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

app.termly.io takes 319ms 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

70% of free-url-shortener.rb.gy'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

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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