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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
94
GRADE
A
FIX
0
REVIEW
1
PASS
12
INFO
2

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

Mobile Desktop
94
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.

425 ms

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

428 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.

0.008

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

2.68 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.

627 ms

Page Load Progression

838 ms
1.7 s
2.5 s
3.4 s
4.2 s
5.0 s
5.9 s
6.7 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
188 KB transferred, 21 requests
PASS
188 KB transferred, 21 requests
Info::
Page weighs 493 KB (188 KB transferred)
Info::
21 HTTP requests
Info::
Estimated 0.04 g CO2 per page load
188 KB / 2.4 MB budget
188 KB transferred
21 requests
0.04 g CO2 per page load
Fonts 95.4 KiB 51%
JavaScript 52.8 KiB 28%
HTML 17.1 KiB 9%
CSS 17.0 KiB 9%
Images 4.9 KiB 3%
Other 828 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
352ms total JS execution
PASS
352ms total JS execution
Info::
https://beavercheck.com/: 151ms CPU time
Info::
Unattributable: 88ms CPU time
Info::
https://beavercheck.com/static/js/alpine.min.js?v=...: 60ms CPU time
Info::
https://beavercheck.com/static/js/components.js?v=...: 53ms CPU time
Info::
Third-party scripts: 88ms (25% of total)

Main Thread Breakdown

Other 31% Style & Layout 23% Script Evaluation 21% Rendering 19%
ScriptTotalScriptingParse/CompileParty
https://beavercheck.com/151ms2ms0ms1st
Unattributable88ms2ms0ms3rd
https://beavercheck.com/static/js/alpine.min.js?v=71c1a9e60ms53ms2ms1st
https://beavercheck.com/static/js/components.js?v=71c1a9e53ms10ms1ms1st
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 1.0 s 2.0 s 3.0 s 4.0 s FCP 425 ms LCP 428 mshttps://beavercheck.com/static/fonts/inter-400.woff2inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 23.3 KiB — 255 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-600.woff2inter-600.woff2 https://beavercheck.com/static/fonts/inter-600.woff2 — 24.1 KiB — 257 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 — 260 ms — font-display: swap
inter-400.woff2 woff2 swap
Size 23 KB
Load time 255 ms
Start 4.2 s
Risk FOUT — text flashes from fallback to web font
inter-600.woff2 woff2 swap
Size 24 KB
Load time 257 ms
Start 4.2 s
Risk FOUT — text flashes from fallback to web font
inter-500.woff2 woff2 swap
Size 24 KB
Load time 259 ms
Start 4.2 s
Risk FOUT — text flashes from fallback to web font
inter-700.woff2 woff2 swap
Size 24 KB
Load time 260 ms
Start 4.2 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+
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=71c1a9e19 KB—✓1st
https://beavercheck.com/static/js/htmx-config.js?v=71c1a9e0 KB—✓1st
https://beavercheck.com/static/js/components.js?v=71c1a9e6 KB—✓1st
https://beavercheck.com/static/js/alpine.min.js?v=71c1a9e22 KB—✓1st
https://beavercheck.com/static/js/app.js?v=71c1a9e4 KB—✓1st
https://beavercheck.com/static/js/actions.js?v=71c1a9e2 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 · 188 KB · 0 KB savings available
PASS
21 resources · 188 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 188 KB
21 resources · 188.0 KiB · 0 third-party Within 1MB page-weight target
Font 51% · 95.4 KiB
JavaScript 28% · 52.8 KiB
Document 9% · 17.1 KiB
CSS 9% · 17.0 KiB
Image 3% · 4.9 KiB
Other 0% · 828 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 4853ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 425 ms LCP 428 mshttps://beavercheck.com// https://beavercheck.com/ — 200 — 17.1 KiB — 4.1 s — h2https://beavercheck.com/static/css/output.css?v=71c1a9e/static/css/output.css?v=71c1a9e https://beavercheck.com/static/css/output.css?v=71c1a9e — 200 — 17.0 KiB — 182 ms — h2https://beavercheck.com/static/js/htmx.min.js?v=71c1a9e/static/js/htmx.min.js?v=71c1a9e https://beavercheck.com/static/js/htmx.min.js?v=71c1a9e — 200 — 18.6 KiB — 342 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 2.0 KiB — 179 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 — 180 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=71c1a9e/static/js/htmx-config.js?v=71c1a9e https://beavercheck.com/static/js/htmx-config.js?v=71c1a9e — 200 — 346 B — 326 ms — h2https://beavercheck.com/static/js/components.js?v=71c1a9e/static/js/components.js?v=71c1a9e https://beavercheck.com/static/js/components.js?v=71c1a9e — 200 — 5.7 KiB — 326 ms — h2https://beavercheck.com/static/js/alpine.min.js?v=71c1a9e/static/js/alpine.min.js?v=71c1a9e https://beavercheck.com/static/js/alpine.min.js?v=71c1a9e — 200 — 22.0 KiB — 328 ms — h2https://beavercheck.com/static/js/app.js?v=71c1a9e/static/js/app.js?v=71c1a9e https://beavercheck.com/static/js/app.js?v=71c1a9e — 200 — 4.4 KiB — 329 ms — h2https://beavercheck.com/static/js/actions.js?v=71c1a9e/static/js/actions.js?v=71c1a9e https://beavercheck.com/static/js/actions.js?v=71c1a9e — 200 — 1.8 KiB — 330 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 — 331 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 — 332 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 — 333 ms — h2https://beavercheck.com/static/site.webmanifest/static/site.webmanifest https://beavercheck.com/static/site.webmanifest — 200 — 828 B — 879 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 — 255 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 — 257 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 — 260 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 0 B — 4 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 0 B — 1 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 88ms · 0KB · €1/mo
Unattributable
Other
Optional
Execution 88ms
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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