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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
94
GRADE
A
FIX
0
REVIEW
3
PASS
12
INFO
2

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

Mobile Desktop
99
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.

1.36 s

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

1.81 s

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

103 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.

1.36 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.

1.96 s

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
17
12 PASS 3 REVIEW
B
Image Optimization
8 images, 0 KB saveable
REVIEW
8 images, 0 KB saveable
Info::
All images are well-optimized
8 images 10 KB
0 oversized -0 KB
8 legacy format
0 missing dimensions CLS risk
C
JS Execution Cost
Action
1748ms total JS execution
REVIEW
1748ms total JS execution
Warning::
https://beavercheck.com/: 1108ms CPU time
Warning::
Unattributable: 254ms CPU time
Info::
https://beavercheck.com/static/js/components.js?v=...: 204ms CPU time
Info::
https://beavercheck.com/static/js/alpine.min.js?v=...: 182ms CPU time
Info::
Third-party scripts: 254ms (15% of total)

Main Thread Breakdown

Style & Layout 37% Other 26% Rendering 19% Script Evaluation 14%
ScriptTotalScriptingParse/CompileParty
https://beavercheck.com/1108ms12ms1ms1st
Unattributable254ms5ms0ms3rd
https://beavercheck.com/static/js/components.js?v=2a57425204ms36ms1ms1st
https://beavercheck.com/static/js/alpine.min.js?v=2a57425182ms165ms4ms1st
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Page Weight Budget
199 KB transferred, 23 requests
PASS
199 KB transferred, 23 requests
Info::
Page weighs 545 KB (199 KB transferred)
Info::
23 HTTP requests
Info::
Estimated 0.04 g CO2 per page load
199 KB / 2.4 MB budget
199 KB transferred
23 requests
0.04 g CO2 per page load
Fonts 95.4 KiB 48%
JavaScript 54.1 KiB 27%
HTML 19.7 KiB 10%
CSS 18.5 KiB 9%
Images 10.1 KiB 5%
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 FCP 1.4 s LCP 1.8 shttps://beavercheck.com/static/fonts/inter-400.woff2inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 23.3 KiB — 23 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 — 37 ms — font-display: swap
inter-400.woff2 woff2 swap
Size 23 KB
Load time 23 ms
Start 210 ms
Risk FOUT — text flashes from fallback to web font
inter-600.woff2 woff2 swap
Size 24 KB
Load time 23 ms
Start 211 ms
Risk FOUT — text flashes from fallback to web font
inter-500.woff2 woff2 swap
Size 24 KB
Load time 25 ms
Start 211 ms
Risk FOUT — text flashes from fallback to web font
inter-700.woff2 woff2 swap
Size 24 KB
Load time 37 ms
Start 211 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=2a5742519 KB—✓1st
https://beavercheck.com/static/js/htmx-config.js?v=2a574250 KB—✓1st
https://beavercheck.com/static/js/components.js?v=2a574256 KB—✓1st
https://beavercheck.com/static/js/alpine.min.js?v=2a5742522 KB—✓1st
https://beavercheck.com/static/js/app.js?v=2a574254 KB—✓1st
https://beavercheck.com/static/js/actions.js?v=2a574253 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
23 resources · 199 KB · 0 KB savings available
PASS
23 resources · 199 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 199 KB
23 resources · 198.6 KiB · 0 third-party Within 1MB page-weight target
Font 48% · 95.4 KiB
JavaScript 27% · 54.1 KiB
Document 10% · 19.7 KiB
CSS 9% · 18.5 KiB
Image 5% · 10.1 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
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
23 requests over 361ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 1.4 s LCP 1.8 shttps://beavercheck.com// https://beavercheck.com/ — 200 — 19.7 KiB — 92 ms — h2https://beavercheck.com/static/css/output.css?v=2a57425/static/css/output.css?v=2a57425 https://beavercheck.com/static/css/output.css?v=2a57425 — 200 — 18.5 KiB — 33 ms — h2https://beavercheck.com/static/js/htmx.min.js?v=2a57425/static/js/htmx.min.js?v=2a57425 https://beavercheck.com/static/js/htmx.min.js?v=2a57425 — 200 — 18.6 KiB — 51 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 2.0 KiB — 31 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 — 32 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 — 49 ms — h2https://beavercheck.com/static/js/htmx-config.js?v=2a57425/static/js/htmx-config.js?v=2a57425 https://beavercheck.com/static/js/htmx-config.js?v=2a57425 — 200 — 367 B — 51 ms — h2https://beavercheck.com/static/js/components.js?v=2a57425/static/js/components.js?v=2a57425 https://beavercheck.com/static/js/components.js?v=2a57425 — 200 — 6.1 KiB — 54 ms — h2https://beavercheck.com/static/js/alpine.min.js?v=2a57425/static/js/alpine.min.js?v=2a57425 https://beavercheck.com/static/js/alpine.min.js?v=2a57425 — 200 — 22.0 KiB — 58 ms — h2https://beavercheck.com/static/js/app.js?v=2a57425/static/js/app.js?v=2a57425 https://beavercheck.com/static/js/app.js?v=2a57425 — 200 — 4.5 KiB — 58 ms — h2https://beavercheck.com/static/js/actions.js?v=2a57425/static/js/actions.js?v=2a57425 https://beavercheck.com/static/js/actions.js?v=2a57425 — 200 — 2.6 KiB — 61 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 — 64 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 — 66 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 — 69 ms — h2https://beavercheck.com/favicons/beavercheck.com.png/favicons/beavercheck.com.png https://beavercheck.com/favicons/beavercheck.com.png — 200 — 4.8 KiB — 22 ms — h2https://beavercheck.com/static/img/favicon-placeholder.svg/static/img/favicon-placeholder.svg https://beavercheck.com/static/img/favicon-placeholder.svg — 200 — 369 B — 23 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 — 23 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 — 37 ms — h2https://beavercheck.com/static/site.webmanifest/static/site.webmanifest https://beavercheck.com/static/site.webmanifest — 200 — 827 B — 61 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 — 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
15% of JavaScript execution is third-party
First-party Third-party 254ms · 0KB · €4/mo
Unattributable
Other
Costly
Execution 254ms
Transfer 0 KB
Monthly Cost €4/mo

These scripts may cost more than they're worth

  • Unattributable adds 254ms and costs ~€4/month

Unattributable takes 254ms 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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