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Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
82
GRADE
B
FIX
3
REVIEW
1
PASS
8
INFO
2

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

Mobile Desktop
96
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
96
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
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.

1.01 s

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

1.01 s

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

45 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.

1.20 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.

1.61 s

Page Load Progression

388 ms
776 ms
1.2 s
1.6 s
1.9 s
2.3 s
2.7 s
3.1 s
Checks
14
8 PASS 1 REVIEW 3 FIX
D
Third-Party Impact
Action
62% third-party, 0 ms blocking
FIX
62% third-party, 0 ms blocking
Warning::
Third-party code accounts for 62% of page weight (574.4 KiB of 922.3 KiB)
Info::
Third-party blocking time is low (0 ms)
38%
62%
First-party Third-party
D
JS Bundles
Action
11 scripts, 352 KB unused
FIX
11 scripts, 352 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-C4PF...: 115 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://linkr.sh/assets/worker-entry-CqHTzEY3.js: 91 KB unused (48%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-C4PF...: 71 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=AW-180...: 53 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://linkr.sh/assets/framework-DGYcMqM3.js: 22 KB unused (36%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 352 KB
352 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-C4PFB4WZH6&cx=c&gtm=4e6470h2172 KB115 KB (67%)✓3rd
https://linkr.sh/assets/worker-entry-CqHTzEY3.js192 KB91 KB (48%)✓1st
https://www.googletagmanager.com/gtag/js?id=G-C4PFB4WZH6172 KB71 KB (41%)✓3rd
https://www.googletagmanager.com/gtag/js?id=AW-18064357309136 KB53 KB (39%)✓3rd
https://linkr.sh/assets/framework-DGYcMqM3.js60 KB22 KB (36%)✓1st
https://linkr.sh/assets/rolldown-runtime-COnpUsM8.js1 KB—✓1st
https://linkr.sh/assets/index-B4y3pecb.js12 KB—✓1st
https://linkr.sh/assets/preload-helper-3k_mjWfE.js2 KB—✓1st
https://linkr.sh/assets/query-BbOc3VB2.js1 KB—✓1st
https://linkr.sh/cdn-cgi/challenge-platform/h/b/scripts/jsd/625261456364/main.js?13 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

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
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
JS Execution Cost
Action
1761ms total JS execution
REVIEW
1761ms total JS execution
Warning::
https://linkr.sh/en: 625ms CPU time
Warning::
https://linkr.sh/assets/worker-entry-CqHTzEY3.js: 556ms CPU time
Info::
https://linkr.sh/assets/framework-DGYcMqM3.js: 246ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-C4PF...: 98ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=AW-180...: 86ms CPU time
Info::
Third-party scripts: 255ms (14% of total)

Main Thread Breakdown

Script Evaluation 33% Style & Layout 32% Other 23% Rendering 9%
ScriptTotalScriptingParse/CompileParty
https://linkr.sh/en625ms22ms3ms1st
https://linkr.sh/assets/worker-entry-CqHTzEY3.js556ms154ms1ms1st
https://linkr.sh/assets/framework-DGYcMqM3.js246ms166ms0ms1st
https://www.googletagmanager.com/gtag/js?id=G-C4PFB4WZH698ms84ms14ms3rd
https://www.googletagmanager.com/gtag/js?id=AW-1806435730986ms75ms10ms3rd
https://linkr.sh/cdn-cgi/challenge-platform/scripts/jsd/main.js79ms75ms1ms1st
Unattributable71ms3ms0ms3rd
A
Page Weight Budget
922 KB transferred, 29 requests
PASS
922 KB transferred, 29 requests
Info::
Page weighs 2.7 MB (922 KB transferred)
Warning::
JavaScript is 763 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 763 KB
Info::
29 HTTP requests
Info::
Estimated 0.19 g CO2 per page load
922 KB / 2.4 MB budget
922 KB transferred
29 requests
0.19 g CO2 per page load
JavaScript 763.0 KiB 83%
Fonts 87.1 KiB 9%
CSS 35.1 KiB 4%
HTML 20.3 KiB 2%
Other 13.5 KiB 1%
Other 2.5 KiB 0%
Other 835 B 0%
Images 64 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+
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 0 KB
0 oversized -0 KB
1 legacy format
0 missing dimensions CLS risk
A+
Font Loading
3 fonts (87 KB)
PASS
3 fonts (87 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

87 KB total

Render-blocking

0

of 3

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s FCP 1.0 s LCP 1.0 shttps://fonts.gstatic.com/s/googlesans/v67/4UasrENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RPjIUvbQoi-E.woff24UasrENHsxJlGDuGo1OIlJf... https://fonts.gstatic.com/s/googlesans/v67/4UasrENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RPjIUvbQoi-E.woff2 — 35.3 KiB — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2xn7gYHE41ni1AdIRggexSvf... https://fonts.gstatic.com/s/manrope/v20/xn7gYHE41ni1AdIRggexSvfedN4.woff2 — 24.0 KiB — 0 ms — font-display: swaphttps://fonts.gstatic.com/s/geist/v4/gyByhwUxId8gMEwcGFWNOITd.woff2gyByhwUxId8gMEwcGFWNOIT... https://fonts.gstatic.com/s/geist/v4/gyByhwUxId8gMEwcGFWNOITd.woff2 — 27.8 KiB — 0 ms — font-display: swap
4UasrENHsxJlGDuGo1OIlJf... woff2 swap
Size 35 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
xn7gYHE41ni1AdIRggexSvf... woff2 swap
Size 24 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
gyByhwUxId8gMEwcGFWNOIT... woff2 swap
Size 28 KB
Load time 0 ms
Start 0 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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
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
29 requests over 0ms
INFO

Performance analysis not available for this result.

Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
14% of JavaScript execution is third-party
First-party Third-party 255ms · 308KB · kr612/mo
Google Tag Manager
Tag Manager
Costly
Execution 98ms
Transfer 172 KB
Unused 41%
Monthly Cost kr235/mo
Google Tag Manager
Tag Manager
Costly
Execution 86ms
Transfer 136 KB
Unused 39%
Monthly Cost kr206/mo
Unattributable
Other
Costly
Execution 71ms
Transfer 0 KB
Monthly Cost kr170/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 98ms and costs ~kr235/month
  • Google Tag Manager adds 86ms and costs ~kr206/month
  • Unattributable adds 71ms and costs ~kr170/month

Google Tag Manager takes 98ms 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

Google Tag Manager takes 86ms 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 71ms 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

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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