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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
89
GRADE
B
FIX
0
REVIEW
3
PASS
10
INFO
2

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

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

335 ms

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

393 ms

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

0 ms

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

0.014

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

356 ms

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

393 ms

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
15
10 PASS 3 REVIEW
B
Page Weight Budget
1.4 MB transferred, 29 requests
REVIEW
1.4 MB transferred, 29 requests
Info::
Page weighs 1.7 MB (1.4 MB transferred)
Info::
29 HTTP requests
Info::
Estimated 0.30 g CO2 per page load
1.4 MB / 2.4 MB budget
1.4 MB transferred
29 requests
0.30 g CO2 per page load
Other 1019.6 KiB 70%
Images 244.6 KiB 17%
Fonts 95.4 KiB 7%
JavaScript 54.6 KiB 4%
CSS 20.4 KiB 1%
HTML 18.1 KiB 1%
Other 829 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget
B
Image Optimization
13 images, 0 KB saveable
REVIEW
13 images, 0 KB saveable
Info::
All images are well-optimized
13 images 245 KB
0 oversized -0 KB
13 legacy format
0 missing dimensions CLS risk
C
Page Weight Inventory
Action
29 resources · 1.4 MB · 0 KB savings available
REVIEW
29 resources · 1.4 MB · 0 KB savings available
Warning::
Page weight 429 KB over 1MB target
Got: 1.4 MB Expected: ≤ 1 MB
Info::
1 resources over 200KB
29 resources · 1.4 MiB · 0 third-party 429.5 KiB over 1MB target
Media 70% · 1019.6 KiB
Image 17% · 244.6 KiB
Font 7% · 95.4 KiB
JavaScript 4% · 54.6 KiB
CSS 1% · 20.4 KiB
Document 1% · 18.1 KiB
Other 0% · 829 B
A+
Third-Party Impact
No third-party resources
PASS
No third-party resources
Info::
No third-party resources detected
No third-party resources detected — all resources are first-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+
JS Execution Cost
332ms total JS execution
PASS
332ms total JS execution
Info::
https://beavercheck.com/: 248ms CPU time
Info::
Unattributable: 83ms CPU time
Info::
Third-party scripts: 83ms (25% of total)

Main Thread Breakdown

Style & Layout 41% Other 31% Script Evaluation 12% Rendering 11%
ScriptTotalScriptingParse/CompileParty
https://beavercheck.com/248ms4ms0ms1st
Unattributable83ms2ms0ms3rd
A+
Font Loading
4 fonts (95 KB)
PASS
4 fonts (95 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

95 KB total

Render-blocking

0

of 4

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s FCP 335 ms LCP 393 mshttps://beavercheck.com/static/fonts/inter-400.woff2inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 23.3 KiB — 22 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-600.woff2inter-600.woff2 https://beavercheck.com/static/fonts/inter-600.woff2 — 24.1 KiB — 23 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-500.woff2inter-500.woff2 https://beavercheck.com/static/fonts/inter-500.woff2 — 23.9 KiB — 25 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-700.woff2inter-700.woff2 https://beavercheck.com/static/fonts/inter-700.woff2 — 24.0 KiB — 26 ms — font-display: swap
inter-400.woff2 woff2 swap
Size 23 KB
Load time 22 ms
Start 204 ms
Risk FOUT — text flashes from fallback to web font
inter-600.woff2 woff2 swap
Size 24 KB
Load time 23 ms
Start 205 ms
Risk FOUT — text flashes from fallback to web font
inter-500.woff2 woff2 swap
Size 24 KB
Load time 25 ms
Start 205 ms
Risk FOUT — text flashes from fallback to web font
inter-700.woff2 woff2 swap
Size 24 KB
Load time 26 ms
Start 205 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+
JS Bundles
6 scripts, 0 KB unused
PASS
6 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://beavercheck.com/static/js/htmx.min.js?v=140a1ce19 KB—✓1st
https://beavercheck.com/static/js/htmx-config.js?v=140a1ce0 KB—✓1st
https://beavercheck.com/static/js/components.js?v=140a1ce6 KB—✓1st
https://beavercheck.com/static/js/alpine.min.js?v=140a1ce22 KB—✓1st
https://beavercheck.com/static/js/app.js?v=140a1ce5 KB—✓1st
https://beavercheck.com/static/js/actions.js?v=140a1ce3 KB—✓1st
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: OVHcloud

A
HTTP Caching
max-age=60 (1 minute)
PASS
max-age=60 (1 minute)
Info::
Cache-Control header is set
Got: public, max-age=60
Info::
Effective TTL: 1 minute (max-age=60)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

public, max-age=60

DirectiveValueMeaning
public—Any cache may store this response
max-age60Cache for 1 minute
Effective TTL: 60 seconds
Network Waterfall
29 requests over 316ms
INFO
0 ms 200 ms 400 ms FCP 335 ms LCP 393 mshttps://beavercheck.com// https://beavercheck.com/ — 200 — 18.1 KiB — 86 ms — h2https://beavercheck.com/static/css/output.css?v=140a1ce/static/css/output.css?v=140a1ce https://beavercheck.com/static/css/output.css?v=140a1ce — 200 — 20.4 KiB — 31 ms — h2https://beavercheck.com/static/js/htmx.min.js?v=140a1ce/static/js/htmx.min.js?v=140a1ce https://beavercheck.com/static/js/htmx.min.js?v=140a1ce — 200 — 18.6 KiB — 49 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 2.0 KiB — 46 ms — h2https://beavercheck.com/static/img/flags/br.svg/static/img/flags/br.svg https://beavercheck.com/static/img/flags/br.svg — 200 — 1.3 KiB — 47 ms — h2https://beavercheck.com/static/img/flags/nl.svg/static/img/flags/nl.svg https://beavercheck.com/static/img/flags/nl.svg — 200 — 330 B — 38 ms — h2https://beavercheck.com/static/img/flags/sg.svg/static/img/flags/sg.svg https://beavercheck.com/static/img/flags/sg.svg — 200 — 480 B — 39 ms — h2https://beavercheck.com/static/js/htmx-config.js?v=140a1ce/static/js/htmx-config.js?v=140a1ce https://beavercheck.com/static/js/htmx-config.js?v=140a1ce — 200 — 369 B — 39 ms — h2https://beavercheck.com/static/js/components.js?v=140a1ce/static/js/components.js?v=140a1ce https://beavercheck.com/static/js/components.js?v=140a1ce — 200 — 6.2 KiB — 40 ms — h2https://beavercheck.com/static/js/alpine.min.js?v=140a1ce/static/js/alpine.min.js?v=140a1ce https://beavercheck.com/static/js/alpine.min.js?v=140a1ce — 200 — 22.0 KiB — 37 ms — h2https://beavercheck.com/static/js/app.js?v=140a1ce/static/js/app.js?v=140a1ce https://beavercheck.com/static/js/app.js?v=140a1ce — 200 — 4.8 KiB — 38 ms — h2https://beavercheck.com/static/js/actions.js?v=140a1ce/static/js/actions.js?v=140a1ce https://beavercheck.com/static/js/actions.js?v=140a1ce — 200 — 2.7 KiB — 38 ms — h2https://beavercheck.com/static/img/flags/es.svg/static/img/flags/es.svg https://beavercheck.com/static/img/flags/es.svg — 200 — 327 B — 38 ms — h2https://beavercheck.com/static/img/flags/us.svg/static/img/flags/us.svg https://beavercheck.com/static/img/flags/us.svg — 200 — 522 B — 38 ms — h2https://beavercheck.com/static/video/product-tour-poster.jpg/static/video/product-tour-poster.j... https://beavercheck.com/static/video/product-tour-poster.jpg — 200 — 76.4 KiB — 48 ms — h2https://beavercheck.com/static/video/product-tour.webm/static/video/product-tour.webm https://beavercheck.com/static/video/product-tour.webm — 206 — 1019.6 KiB — 110 ms — h2https://beavercheck.com/static/site.webmanifest/static/site.webmanifest https://beavercheck.com/static/site.webmanifest — 200 — 829 B — 61 ms — h2https://beavercheck.com/favicons/stelgano.com.png/favicons/stelgano.com.png https://beavercheck.com/favicons/stelgano.com.png — 200 — 5.7 KiB — 33 ms — h2https://beavercheck.com/favicons/puretechleman.ch.png/favicons/puretechleman.ch.png https://beavercheck.com/favicons/puretechleman.ch.png — 200 — 1.3 KiB — 33 ms — h2https://beavercheck.com/favicons/stripe.com.png/favicons/stripe.com.png https://beavercheck.com/favicons/stripe.com.png — 200 — 931 B — 34 ms — h2https://beavercheck.com/favicons/beavercheck.com.png/favicons/beavercheck.com.png https://beavercheck.com/favicons/beavercheck.com.png — 200 — 4.8 KiB — 37 ms — h2https://beavercheck.com/static/img/favicon-placeholder.svg/static/img/favicon-placeholder.svg https://beavercheck.com/static/img/favicon-placeholder.svg — 200 — 370 B — 38 ms — h2https://beavercheck.com/static/img/screenshots/result-overview-light.png/static/img/screenshots/result-over... https://beavercheck.com/static/img/screenshots/result-overview-light.png — 200 — 150.2 KiB — 46 ms — h2https://beavercheck.com/static/fonts/inter-400.woff2/static/fonts/inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 200 — 23.3 KiB — 22 ms — h2https://beavercheck.com/static/fonts/inter-600.woff2/static/fonts/inter-600.woff2 https://beavercheck.com/static/fonts/inter-600.woff2 — 200 — 24.1 KiB — 23 ms — h2https://beavercheck.com/static/fonts/inter-500.woff2/static/fonts/inter-500.woff2 https://beavercheck.com/static/fonts/inter-500.woff2 — 200 — 23.9 KiB — 25 ms — h2https://beavercheck.com/static/fonts/inter-700.woff2/static/fonts/inter-700.woff2 https://beavercheck.com/static/fonts/inter-700.woff2 — 200 — 24.0 KiB — 26 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 0 B — 1 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 0 B — 2 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
25% of JavaScript execution is third-party
First-party Third-party 83ms · 0KB · €1/mo
Unattributable
Other
Optional
Execution 83ms
Transfer 0 KB
Monthly Cost €1/mo

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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