Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

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

Mobile Desktop

100

Performance

Accessibility

Best Practices

100

SEO

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

329 ms

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

426 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.

0.009

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

443 ms

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

428 ms

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

10 PASS 2 REVIEW

Image Optimization

5 images, 0 KB saveable

REVIEW

5 images, 0 KB saveable

All images are well-optimized

5 images 5 KB

0 oversized -0 KB

5 legacy format

0 missing dimensions CLS risk

Green Hosting

Action

Whether the site is served from green-energy infrastructure

REVIEW

Green Hosting

No green hosting detected

A+

Page Weight Budget

181 KB transferred, 20 requests

PASS

181 KB transferred, 20 requests

Page weighs 444 KB (181 KB transferred)

20 HTTP requests

Estimated 0.04 g CO2 per page load

181 KB transferred

20 requests

0.04 g CO2 per page load

Fonts 95.4 KiB 53%

JavaScript 51.5 KiB 28%

CSS 15.6 KiB 9%

HTML 13.6 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

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

All text resources are properly compressed.

A+

JS Execution Cost

428ms total JS execution

PASS

428ms total JS execution

https://beavercheck.com/: 168ms CPU time

Unattributable: 111ms CPU time

https://beavercheck.com/static/js/alpine.min.js?v=...: 85ms CPU time

https://beavercheck.com/static/js/components.js?v=...: 64ms CPU time

Third-party scripts: 111ms (26% of total)

Main Thread Breakdown

Other 32% Style & Layout 25% Script Evaluation 22% Rendering 16%

Script	Total	Scripting	Parse/Compile	Party
https://beavercheck.com/	168ms	6ms	0ms	1st
Unattributable	111ms	3ms	0ms	3rd
https://beavercheck.com/static/js/alpine.min.js?v=6381b3b	85ms	66ms	3ms	1st
https://beavercheck.com/static/js/components.js?v=6381b3b	64ms	13ms	1ms	1st

A+

Font Loading

4 fonts (95 KB)

PASS

4 fonts (95 KB)

4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

95 KB total

Render-blocking

of 4

Dominant font-display

swap

Most common across fonts

Font loading timeline

Transfer FOIT (block) FOUT (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.

Script	Size	Unused	Minified	Party
https://beavercheck.com/static/js/htmx.min.js?v=6381b3b	19 KB	—	✓	1st
https://beavercheck.com/static/js/htmx-config.js?v=6381b3b	0 KB	—	✓	1st
https://beavercheck.com/static/js/components.js?v=6381b3b	5 KB	—	✓	1st
https://beavercheck.com/static/js/alpine.min.js?v=6381b3b	22 KB	—	✓	1st
https://beavercheck.com/static/js/app.js?v=6381b3b	4 KB	—	✓	1st
https://beavercheck.com/static/js/actions.js?v=6381b3b	2 KB	—	✓	1st

A+

Resource Caching

All resources properly cached

PASS

All resources properly cached

No caching issues found

All static resources have appropriate caching headers.

A+

Critical Rendering Path

No render-blocking resources

PASS

No render-blocking resources

No render-blocking resources detected

A+

Resource Hints

No optimization needed

PASS

No optimization needed

No resource hint issues

HTTP Caching

max-age=60 (1 minute)

PASS

max-age=60 (1 minute)

Cache-Control header is set

Got: public, max-age=60

Effective TTL: 1 minute (max-age=60)

No ETag or Last-Modified header

Conditional requests (304 Not Modified) are not possible without validators.

Cache-Control

public, max-age=60

Directive	Value	Meaning
public	—	Any cache may store this response
max-age	60	Cache 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

26% of JavaScript execution is third-party

First-party Third-party 111ms · 0KB · €2/mo

Script	Category	Execution	Transfer	Unused	Monthly Cost	Verdict
Unattributable Unattributable	Other	111ms	0 KB	—	€2/mo	Optional

Unattributable

Other

Optional

Execution 111ms

Transfer 0 KB

Monthly Cost €2/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.