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Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
93
GRADE
A
FIX
0
REVIEW
2
PASS
10
INFO
2

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

Mobile Desktop
97
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.

932 ms

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

1.40 s

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

194 ms

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

0.040

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

1.24 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.

2.00 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
14
10 PASS 2 REVIEW
B
Image Optimization
5 images, 0 KB saveable
REVIEW
5 images, 0 KB saveable
Info::
All images are well-optimized
5 images 5 KB
0 oversized -0 KB
5 legacy format
0 missing dimensions CLS risk
C
JS Execution Cost
Action
1360ms total JS execution
REVIEW
1360ms total JS execution
Warning::
https://beavercheck.com/: 606ms CPU time
Warning::
Unattributable: 322ms CPU time
Info::
https://beavercheck.com/static/js/alpine.min.js?v=...: 226ms CPU time
Info::
https://beavercheck.com/static/js/components.js?v=...: 150ms CPU time
Info::
https://beavercheck.com/static/js/htmx.min.js?v=64...: 56ms CPU time
Info::
Third-party scripts: 322ms (24% of total)

Main Thread Breakdown

Other 30% Style & Layout 25% Script Evaluation 22% Rendering 16% Parse HTML & CSS 4%
ScriptTotalScriptingParse/CompileParty
https://beavercheck.com/606ms12ms1ms1st
Unattributable322ms8ms0ms3rd
https://beavercheck.com/static/js/alpine.min.js?v=64cdf61226ms209ms8ms1st
https://beavercheck.com/static/js/components.js?v=64cdf61150ms28ms2ms1st
https://beavercheck.com/static/js/htmx.min.js?v=64cdf6156ms46ms9ms1st
A+
Page Weight Budget
180 KB transferred, 20 requests
PASS
180 KB transferred, 20 requests
Info::
Page weighs 437 KB (180 KB transferred)
Info::
20 HTTP requests
Info::
Estimated 0.04 g CO2 per page load
180 KB / 2.4 MB budget
180 KB transferred
20 requests
0.04 g CO2 per page load
Fonts 95.4 KiB 53%
JavaScript 50.9 KiB 28%
CSS 15.5 KiB 9%
HTML 13.0 KiB 7%
Images 4.6 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 FCP 932 ms LCP 1.4 shttps://beavercheck.com/static/fonts/inter-400.woff2inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 23.3 KiB — 0 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-600.woff2inter-600.woff2 https://beavercheck.com/static/fonts/inter-600.woff2 — 24.1 KiB — 0 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-500.woff2inter-500.woff2 https://beavercheck.com/static/fonts/inter-500.woff2 — 23.9 KiB — 0 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-700.woff2inter-700.woff2 https://beavercheck.com/static/fonts/inter-700.woff2 — 24.0 KiB — 0 ms — font-display: swap
inter-400.woff2 woff2 swap
Size 23 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
inter-600.woff2 woff2 swap
Size 24 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
inter-500.woff2 woff2 swap
Size 24 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
inter-700.woff2 woff2 swap
Size 24 KB
Load time 0 ms
Start 0 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=64cdf6119 KB—✓1st
https://beavercheck.com/static/js/htmx-config.js?v=64cdf610 KB—✓1st
https://beavercheck.com/static/js/components.js?v=64cdf615 KB—✓1st
https://beavercheck.com/static/js/alpine.min.js?v=64cdf6122 KB—✓1st
https://beavercheck.com/static/js/app.js?v=64cdf614 KB—✓1st
https://beavercheck.com/static/js/actions.js?v=64cdf611 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
20 requests over 0ms
INFO

Performance analysis not available for this result.

Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
24% of JavaScript execution is third-party
First-party Third-party 322ms · 0KB · €4/mo
Unattributable
Other
Costly
Execution 322ms
Transfer 0 KB
Monthly Cost €4/mo

These scripts may cost more than they're worth

  • Unattributable adds 322ms and costs ~€4/month

Unattributable takes 322ms 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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