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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
92
GRADE
A
FIX
1
REVIEW
2
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.

1.22 s

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

1.54 s

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

70 ms

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

0.000

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

2.83 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.

2.08 s

Page Load Progression

514 ms
1.0 s
1.5 s
2.1 s
2.6 s
3.1 s
3.6 s
4.1 s
Checks
17
12 PASS 2 REVIEW 1 FIX
D
JS Execution Cost
Action
2315ms total JS execution
FIX
2315ms total JS execution
Warning::
https://beavercheck.com/: 1417ms CPU time
Warning::
Unattributable: 328ms CPU time
Warning::
https://beavercheck.com/static/js/components.js?v=...: 303ms CPU time
Warning::
https://beavercheck.com/static/js/alpine.min.js?v=...: 267ms CPU time
Info::
Third-party scripts: 328ms (14% of total)

Main Thread Breakdown

Style & Layout 33% Other 27% Rendering 21% Script Evaluation 15%
ScriptTotalScriptingParse/CompileParty
https://beavercheck.com/1417ms17ms1ms1st
Unattributable328ms7ms0ms3rd
https://beavercheck.com/static/js/components.js?v=9d79544303ms49ms7ms1st
https://beavercheck.com/static/js/alpine.min.js?v=9d79544267ms232ms8ms1st
B
Image Optimization
8 images, 0 KB saveable
REVIEW
8 images, 0 KB saveable
Info::
All images are well-optimized
8 images 14 KB
0 oversized -0 KB
8 legacy format
0 missing dimensions CLS risk
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Page Weight Budget
202 KB transferred, 23 requests
PASS
202 KB transferred, 23 requests
Info::
Page weighs 549 KB (202 KB transferred)
Info::
23 HTTP requests
Info::
Estimated 0.04 g CO2 per page load
202 KB / 2.4 MB budget
202 KB transferred
23 requests
0.04 g CO2 per page load
Fonts 95.4 KiB 47%
JavaScript 54.1 KiB 27%
HTML 19.7 KiB 10%
CSS 18.5 KiB 9%
Images 13.7 KiB 7%
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+
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 1.2 s LCP 1.5 shttps://beavercheck.com/static/fonts/inter-400.woff2inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 23.3 KiB — 212 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-600.woff2inter-600.woff2 https://beavercheck.com/static/fonts/inter-600.woff2 — 24.1 KiB — 214 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-500.woff2inter-500.woff2 https://beavercheck.com/static/fonts/inter-500.woff2 — 23.9 KiB — 215 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-700.woff2inter-700.woff2 https://beavercheck.com/static/fonts/inter-700.woff2 — 24.0 KiB — 223 ms — font-display: swap
inter-400.woff2 woff2 swap
Size 23 KB
Load time 212 ms
Start 1.5 s
Risk FOUT — text flashes from fallback to web font
inter-600.woff2 woff2 swap
Size 24 KB
Load time 214 ms
Start 1.5 s
Risk FOUT — text flashes from fallback to web font
inter-500.woff2 woff2 swap
Size 24 KB
Load time 215 ms
Start 1.5 s
Risk FOUT — text flashes from fallback to web font
inter-700.woff2 woff2 swap
Size 24 KB
Load time 223 ms
Start 1.5 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=9d7954419 KB—✓1st
https://beavercheck.com/static/js/htmx-config.js?v=9d795440 KB—✓1st
https://beavercheck.com/static/js/components.js?v=9d795446 KB—✓1st
https://beavercheck.com/static/js/alpine.min.js?v=9d7954422 KB—✓1st
https://beavercheck.com/static/js/app.js?v=9d795444 KB—✓1st
https://beavercheck.com/static/js/actions.js?v=9d795443 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 · 202 KB · 0 KB savings available
PASS
23 resources · 202 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 202 KB
23 resources · 202.2 KiB · 0 third-party Within 1MB page-weight target
Font 47% · 95.4 KiB
JavaScript 27% · 54.1 KiB
Document 10% · 19.7 KiB
CSS 9% · 18.5 KiB
Image 7% · 13.7 KiB
Other 0% · 828 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 1792ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 1.2 s LCP 1.5 shttps://beavercheck.com// https://beavercheck.com/ — 200 — 19.7 KiB — 1.2 s — h2https://beavercheck.com/static/css/output.css?v=9d79544/static/css/output.css?v=9d79544 https://beavercheck.com/static/css/output.css?v=9d79544 — 200 — 18.5 KiB — 369 ms — h2https://beavercheck.com/static/js/htmx.min.js?v=9d79544/static/js/htmx.min.js?v=9d79544 https://beavercheck.com/static/js/htmx.min.js?v=9d79544 — 200 — 18.6 KiB — 376 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 2.0 KiB — 378 ms — h2https://beavercheck.com/static/js/htmx-config.js?v=9d79544/static/js/htmx-config.js?v=9d79544 https://beavercheck.com/static/js/htmx-config.js?v=9d79544 — 200 — 367 B — 373 ms — h2https://beavercheck.com/static/js/components.js?v=9d79544/static/js/components.js?v=9d79544 https://beavercheck.com/static/js/components.js?v=9d79544 — 200 — 6.1 KiB — 417 ms — h2https://beavercheck.com/static/js/alpine.min.js?v=9d79544/static/js/alpine.min.js?v=9d79544 https://beavercheck.com/static/js/alpine.min.js?v=9d79544 — 200 — 22.0 KiB — 419 ms — h2https://beavercheck.com/static/js/app.js?v=9d79544/static/js/app.js?v=9d79544 https://beavercheck.com/static/js/app.js?v=9d79544 — 200 — 4.5 KiB — 567 ms — h2https://beavercheck.com/static/js/actions.js?v=9d79544/static/js/actions.js?v=9d79544 https://beavercheck.com/static/js/actions.js?v=9d79544 — 200 — 2.6 KiB — 568 ms — h2https://beavercheck.com/static/site.webmanifest/static/site.webmanifest https://beavercheck.com/static/site.webmanifest — 200 — 828 B — 616 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 — 412 ms — h2https://beavercheck.com/static/img/flags/nl.svg/static/img/flags/nl.svg https://beavercheck.com/static/img/flags/nl.svg — 200 — 330 B — 413 ms — h2https://beavercheck.com/static/img/flags/sg.svg/static/img/flags/sg.svg https://beavercheck.com/static/img/flags/sg.svg — 200 — 480 B — 414 ms — h2https://beavercheck.com/static/img/flags/es.svg/static/img/flags/es.svg https://beavercheck.com/static/img/flags/es.svg — 200 — 327 B — 415 ms — h2https://beavercheck.com/static/img/flags/us.svg/static/img/flags/us.svg https://beavercheck.com/static/img/flags/us.svg — 200 — 522 B — 416 ms — h2https://beavercheck.com/favicons/beavercheck.com.png/favicons/beavercheck.com.png https://beavercheck.com/favicons/beavercheck.com.png — 200 — 4.8 KiB — 209 ms — h2https://beavercheck.com/favicons/icetrayweedclub.com.png/favicons/icetrayweedclub.com.png https://beavercheck.com/favicons/icetrayweedclub.com.png — 200 — 3.9 KiB — 210 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 — 212 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 — 214 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 — 215 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 — 223 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 — 5 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
14% of JavaScript execution is third-party
First-party Third-party 328ms · 0KB · €5/mo
Unattributable
Other
Costly
Execution 328ms
Transfer 0 KB
Monthly Cost €5/mo

These scripts may cost more than they're worth

  • Unattributable adds 328ms and costs ~€5/month

Unattributable takes 328ms 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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