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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
93
GRADE
A
FIX
0
REVIEW
2
PASS
11
INFO
2

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

Mobile Desktop
100
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.

399 ms

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

399 ms

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

6 ms

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

0.007

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

683 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.

625 ms

Page Load Progression

423 ms
847 ms
1.3 s
1.7 s
2.1 s
2.5 s
3.0 s
3.4 s
Checks
15
11 PASS 2 REVIEW
B
Image Optimization
11 images, 0 KB saveable
REVIEW
11 images, 0 KB saveable
Info::
All images are well-optimized
11 images 24 KB
0 oversized -0 KB
11 legacy format
0 missing dimensions CLS risk
B
JS Execution Cost
686ms total JS execution
REVIEW
686ms total JS execution
Warning::
https://beavercheck.com/: 410ms CPU time
Info::
Unattributable: 119ms CPU time
Info::
https://beavercheck.com/static/js/components.js?v=...: 79ms CPU time
Info::
https://beavercheck.com/static/js/alpine.min.js?v=...: 78ms CPU time
Info::
Third-party scripts: 119ms (17% of total)

Main Thread Breakdown

Style & Layout 31% Other 30% Rendering 19% Script Evaluation 16%
ScriptTotalScriptingParse/CompileParty
https://beavercheck.com/410ms13ms0ms1st
Unattributable119ms2ms0ms3rd
https://beavercheck.com/static/js/components.js?v=54009ce79ms12ms1ms1st
https://beavercheck.com/static/js/alpine.min.js?v=54009ce78ms65ms2ms1st
A+
Page Weight Budget
209 KB transferred, 26 requests
PASS
209 KB transferred, 26 requests
Info::
Page weighs 534 KB (209 KB transferred)
Info::
26 HTTP requests
Info::
Estimated 0.04 g CO2 per page load
209 KB / 2.4 MB budget
209 KB transferred
26 requests
0.04 g CO2 per page load
Fonts 95.4 KiB 46%
JavaScript 53.6 KiB 26%
Images 23.7 KiB 11%
HTML 18.3 KiB 9%
CSS 17.3 KiB 8%
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 399 ms LCP 399 mshttps://beavercheck.com/static/fonts/inter-400.woff2inter-400.woff2 https://beavercheck.com/static/fonts/inter-400.woff2 — 23.3 KiB — 209 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-600.woff2inter-600.woff2 https://beavercheck.com/static/fonts/inter-600.woff2 — 24.1 KiB — 228 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-500.woff2inter-500.woff2 https://beavercheck.com/static/fonts/inter-500.woff2 — 23.9 KiB — 230 ms — font-display: swaphttps://beavercheck.com/static/fonts/inter-700.woff2inter-700.woff2 https://beavercheck.com/static/fonts/inter-700.woff2 — 24.0 KiB — 232 ms — font-display: swap
inter-400.woff2 woff2 swap
Size 23 KB
Load time 209 ms
Start 729 ms
Risk FOUT — text flashes from fallback to web font
inter-600.woff2 woff2 swap
Size 24 KB
Load time 228 ms
Start 732 ms
Risk FOUT — text flashes from fallback to web font
inter-500.woff2 woff2 swap
Size 24 KB
Load time 230 ms
Start 734 ms
Risk FOUT — text flashes from fallback to web font
inter-700.woff2 woff2 swap
Size 24 KB
Load time 232 ms
Start 735 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=54009ce19 KB—✓1st
https://beavercheck.com/static/js/htmx-config.js?v=54009ce0 KB—✓1st
https://beavercheck.com/static/js/components.js?v=54009ce6 KB—✓1st
https://beavercheck.com/static/js/alpine.min.js?v=54009ce22 KB—✓1st
https://beavercheck.com/static/js/app.js?v=54009ce4 KB—✓1st
https://beavercheck.com/static/js/actions.js?v=54009ce3 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
26 resources · 209 KB · 0 KB savings available
PASS
26 resources · 209 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 209 KB
26 resources · 209.1 KiB · 0 third-party Within 1MB page-weight target
Font 46% · 95.4 KiB
JavaScript 26% · 53.6 KiB
Image 11% · 23.7 KiB
Document 9% · 18.3 KiB
CSS 8% · 17.3 KiB
Other 0% · 827 B
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
26 requests over 1065ms
INFO
0 ms 500 ms 1.0 s FCP 399 ms LCP 399 mshttps://beavercheck.com// https://beavercheck.com/ — 200 — 18.3 KiB — 618 ms — h2https://beavercheck.com/static/css/output.css?v=54009ce/static/css/output.css?v=54009ce https://beavercheck.com/static/css/output.css?v=54009ce — 200 — 17.3 KiB — 161 ms — h2https://beavercheck.com/static/js/htmx.min.js?v=54009ce/static/js/htmx.min.js?v=54009ce https://beavercheck.com/static/js/htmx.min.js?v=54009ce — 200 — 18.6 KiB — 307 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 2.0 KiB — 262 ms — h2https://beavercheck.com/static/js/htmx-config.js?v=54009ce/static/js/htmx-config.js?v=54009ce https://beavercheck.com/static/js/htmx-config.js?v=54009ce — 200 — 367 B — 287 ms — h2https://beavercheck.com/static/js/components.js?v=54009ce/static/js/components.js?v=54009ce https://beavercheck.com/static/js/components.js?v=54009ce — 200 — 5.7 KiB — 288 ms — h2https://beavercheck.com/static/js/alpine.min.js?v=54009ce/static/js/alpine.min.js?v=54009ce https://beavercheck.com/static/js/alpine.min.js?v=54009ce — 200 — 22.0 KiB — 291 ms — h2https://beavercheck.com/static/js/app.js?v=54009ce/static/js/app.js?v=54009ce https://beavercheck.com/static/js/app.js?v=54009ce — 200 — 4.4 KiB — 292 ms — h2https://beavercheck.com/static/js/actions.js?v=54009ce/static/js/actions.js?v=54009ce https://beavercheck.com/static/js/actions.js?v=54009ce — 200 — 2.6 KiB — 326 ms — h2https://beavercheck.com/static/site.webmanifest/static/site.webmanifest https://beavercheck.com/static/site.webmanifest — 200 — 827 B — 458 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 — 297 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 — 299 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 — 303 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 — 309 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 — 311 ms — h2https://beavercheck.com/favicons/unlp.edu.ar.png/favicons/unlp.edu.ar.png https://beavercheck.com/favicons/unlp.edu.ar.png — 200 — 7.7 KiB — 241 ms — h2https://beavercheck.com/favicons/dilbert.com.png/favicons/dilbert.com.png https://beavercheck.com/favicons/dilbert.com.png — 200 — 6.1 KiB — 275 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 — 277 ms — h2https://beavercheck.com/favicons/uam.es.png/favicons/uam.es.png https://beavercheck.com/favicons/uam.es.png — 200 — 1.9 KiB — 334 ms — h2https://beavercheck.com/favicons/spectrumlocalnews.com.png/favicons/spectrumlocalnews.com.png https://beavercheck.com/favicons/spectrumlocalnews.com.png — 200 — 2.6 KiB — 336 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 — 209 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 — 228 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 — 230 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 — 232 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 0 B — 3 ms — h2https://beavercheck.com/static/img/beaver.svg/static/img/beaver.svg https://beavercheck.com/static/img/beaver.svg — 200 — 0 B — 3 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
17% of JavaScript execution is third-party
First-party Third-party 119ms · 0KB · €2/mo
Unattributable
Other
Optional
Execution 119ms
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.

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