Skip to content
https://beavercheck.com

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
95
GRADE
A
FIX
0
REVIEW
2
PASS
13
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.

1.16 s

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

1.16 s

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

185 ms

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

0.012

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

3.62 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.

2.12 s

Page Load Progression

577 ms
1.2 s
1.7 s
2.3 s
2.9 s
3.5 s
4.0 s
4.6 s
Checks
17
13 PASS 2 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
C
JS Execution Cost
Action
1583ms total JS execution
REVIEW
1583ms total JS execution
Warning::
https://beavercheck.com/: 698ms CPU time
Warning::
Unattributable: 308ms CPU time
Warning::
https://beavercheck.com/static/js/alpine.min.js?v=...: 251ms CPU time
Info::
https://beavercheck.com/static/js/components.js?v=...: 225ms CPU time
Info::
https://beavercheck.com/static/js/htmx.min.js?v=bd...: 102ms CPU time
Info::
Third-party scripts: 308ms (19% of total)

Main Thread Breakdown

Other 30% Style & Layout 23% Script Evaluation 22% Rendering 19%
ScriptTotalScriptingParse/CompileParty
https://beavercheck.com/698ms28ms2ms1st
Unattributable308ms7ms0ms3rd
https://beavercheck.com/static/js/alpine.min.js?v=bd2d9bf251ms222ms8ms1st
https://beavercheck.com/static/js/components.js?v=bd2d9bf225ms43ms2ms1st
https://beavercheck.com/static/js/htmx.min.js?v=bd2d9bf102ms47ms7ms1st
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+
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 1.2 s LCP 1.2 shttps://beavercheck.com/static/fonts/inter-400.woff2inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 23.3 KiB — 274 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-600.woff2inter-600.woff2 https://beavercheck.com/static/fonts/inter-600.woff2 — 24.1 KiB — 276 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-500.woff2inter-500.woff2 https://beavercheck.com/static/fonts/inter-500.woff2 — 23.9 KiB — 278 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-700.woff2inter-700.woff2 https://beavercheck.com/static/fonts/inter-700.woff2 — 24.0 KiB — 279 ms — font-display: swap
inter-400.woff2 woff2 swap
Size 23 KB
Load time 274 ms
Start 2.1 s
Risk FOUT — text flashes from fallback to web font
inter-600.woff2 woff2 swap
Size 24 KB
Load time 276 ms
Start 2.1 s
Risk FOUT — text flashes from fallback to web font
inter-500.woff2 woff2 swap
Size 24 KB
Load time 278 ms
Start 2.1 s
Risk FOUT — text flashes from fallback to web font
inter-700.woff2 woff2 swap
Size 24 KB
Load time 279 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 · 189.1 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+
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: 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 1.2 s LCP 1.2 shttps://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 — 340 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 2.0 KiB — 340 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 — 329 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 — 331 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 — 333 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 — 335 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 — 337 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/img/flags/br.svg/static/img/flags/br.svg https://beavercheck.com/static/img/flags/br.svg — 200 — 1.3 KiB — 216 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 — 218 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 — 219 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 — 221 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 — 222 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 — 274 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 — 276 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 — 278 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 — 279 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 0 B — 2 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
19% of JavaScript execution is third-party
First-party Third-party 308ms · 0KB · €4/mo
Unattributable
Other
Costly
Execution 308ms
Transfer 0 KB
Monthly Cost €4/mo

These scripts may cost more than they're worth

  • Unattributable adds 308ms and costs ~€4/month

Unattributable takes 308ms 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.

Send Feedback