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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
95
GRADE
A
FIX
0
REVIEW
1
PASS
12
INFO
2

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

Mobile Desktop
98
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.

419 ms

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

421 ms

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

2 ms

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

0.008

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

1.49 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.

624 ms

Page Load Progression

581 ms
1.2 s
1.7 s
2.3 s
2.9 s
3.5 s
4.1 s
4.6 s
Checks
15
12 PASS 1 REVIEW
B
Image Optimization
6 images, 0 KB saveable
REVIEW
6 images, 0 KB saveable
Info::
All images are well-optimized
6 images 5 KB
0 oversized -0 KB
6 legacy format
0 missing dimensions CLS risk
A+
Page Weight Budget
189 KB transferred, 21 requests
PASS
189 KB transferred, 21 requests
Info::
Page weighs 501 KB (189 KB transferred)
Info::
21 HTTP requests
Info::
Estimated 0.04 g CO2 per page load
189 KB / 2.4 MB budget
189 KB transferred
21 requests
0.04 g CO2 per page load
Fonts 95.4 KiB 50%
JavaScript 53.6 KiB 28%
CSS 17.3 KiB 9%
HTML 17.2 KiB 9%
Images 4.9 KiB 3%
Other 827 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget
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
353ms total JS execution
PASS
353ms total JS execution
Info::
https://beavercheck.com/: 154ms CPU time
Info::
Unattributable: 82ms CPU time
Info::
https://beavercheck.com/static/js/alpine.min.js?v=...: 66ms CPU time
Info::
https://beavercheck.com/static/js/components.js?v=...: 51ms CPU time
Info::
Third-party scripts: 82ms (23% of total)

Main Thread Breakdown

Other 30% Style & Layout 22% Script Evaluation 22% Rendering 20%
ScriptTotalScriptingParse/CompileParty
https://beavercheck.com/154ms2ms0ms1st
Unattributable82ms2ms0ms3rd
https://beavercheck.com/static/js/alpine.min.js?v=bd2d9bf66ms55ms2ms1st
https://beavercheck.com/static/js/components.js?v=bd2d9bf51ms10ms1ms1st
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 1.5 s 2.0 s 2.5 s FCP 419 ms LCP 421 mshttps://beavercheck.com/static/fonts/inter-400.woff2inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 23.3 KiB — 253 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-600.woff2inter-600.woff2 https://beavercheck.com/static/fonts/inter-600.woff2 — 24.1 KiB — 256 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-500.woff2inter-500.woff2 https://beavercheck.com/static/fonts/inter-500.woff2 — 23.9 KiB — 259 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-700.woff2inter-700.woff2 https://beavercheck.com/static/fonts/inter-700.woff2 — 24.0 KiB — 262 ms — font-display: swap
inter-400.woff2 woff2 swap
Size 23 KB
Load time 253 ms
Start 2.1 s
Risk FOUT — text flashes from fallback to web font
inter-600.woff2 woff2 swap
Size 24 KB
Load time 256 ms
Start 2.1 s
Risk FOUT — text flashes from fallback to web font
inter-500.woff2 woff2 swap
Size 24 KB
Load time 259 ms
Start 2.1 s
Risk FOUT — text flashes from fallback to web font
inter-700.woff2 woff2 swap
Size 24 KB
Load time 262 ms
Start 2.1 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+
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=bd2d9bf19 KB—✓1st
https://beavercheck.com/static/js/htmx-config.js?v=bd2d9bf0 KB—✓1st
https://beavercheck.com/static/js/components.js?v=bd2d9bf6 KB—✓1st
https://beavercheck.com/static/js/alpine.min.js?v=bd2d9bf22 KB—✓1st
https://beavercheck.com/static/js/app.js?v=bd2d9bf4 KB—✓1st
https://beavercheck.com/static/js/actions.js?v=bd2d9bf3 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+
Page Weight Inventory
21 resources · 189 KB · 0 KB savings available
PASS
21 resources · 189 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 189 KB
21 resources · 189.2 KiB · 0 third-party Within 1MB page-weight target
Font 50% · 95.4 KiB
JavaScript 28% · 53.6 KiB
CSS 9% · 17.3 KiB
Document 9% · 17.2 KiB
Image 3% · 4.9 KiB
Other 0% · 827 B
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
21 requests over 2435ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 419 ms LCP 421 mshttps://beavercheck.com// https://beavercheck.com/ — 200 — 17.2 KiB — 2.0 s — h2https://beavercheck.com/static/css/output.css?v=bd2d9bf/static/css/output.css?v=bd2d9bf https://beavercheck.com/static/css/output.css?v=bd2d9bf — 200 — 17.3 KiB — 177 ms — h2https://beavercheck.com/static/js/htmx.min.js?v=bd2d9bf/static/js/htmx.min.js?v=bd2d9bf https://beavercheck.com/static/js/htmx.min.js?v=bd2d9bf — 200 — 18.6 KiB — 336 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 2.0 KiB — 173 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 — 174 ms — h2https://beavercheck.com/static/img/flags/nl.svg/static/img/flags/nl.svg https://beavercheck.com/static/img/flags/nl.svg — 200 — 329 B — 325 ms — h2https://beavercheck.com/static/js/htmx-config.js?v=bd2d9bf/static/js/htmx-config.js?v=bd2d9bf https://beavercheck.com/static/js/htmx-config.js?v=bd2d9bf — 200 — 346 B — 326 ms — h2https://beavercheck.com/static/js/components.js?v=bd2d9bf/static/js/components.js?v=bd2d9bf https://beavercheck.com/static/js/components.js?v=bd2d9bf — 200 — 5.7 KiB — 328 ms — h2https://beavercheck.com/static/js/alpine.min.js?v=bd2d9bf/static/js/alpine.min.js?v=bd2d9bf https://beavercheck.com/static/js/alpine.min.js?v=bd2d9bf — 200 — 22.0 KiB — 330 ms — h2https://beavercheck.com/static/js/app.js?v=bd2d9bf/static/js/app.js?v=bd2d9bf https://beavercheck.com/static/js/app.js?v=bd2d9bf — 200 — 4.4 KiB — 331 ms — h2https://beavercheck.com/static/js/actions.js?v=bd2d9bf/static/js/actions.js?v=bd2d9bf https://beavercheck.com/static/js/actions.js?v=bd2d9bf — 200 — 2.6 KiB — 335 ms — h2https://beavercheck.com/static/img/flags/sg.svg/static/img/flags/sg.svg https://beavercheck.com/static/img/flags/sg.svg — 200 — 479 B — 336 ms — h2https://beavercheck.com/static/img/flags/es.svg/static/img/flags/es.svg https://beavercheck.com/static/img/flags/es.svg — 200 — 326 B — 337 ms — h2https://beavercheck.com/static/img/flags/us.svg/static/img/flags/us.svg https://beavercheck.com/static/img/flags/us.svg — 200 — 521 B — 367 ms — h2https://beavercheck.com/static/site.webmanifest/static/site.webmanifest https://beavercheck.com/static/site.webmanifest — 200 — 827 B — 504 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 — 253 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 — 256 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 — 259 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 — 262 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 0 B — 3 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
23% of JavaScript execution is third-party
First-party Third-party 82ms · 0KB · €1/mo
Unattributable
Other
Optional
Execution 82ms
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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