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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
95
GRADE
A
FIX
1
REVIEW
1
PASS
11
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.
85
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
83
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.

605 ms

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

892 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.

0.002

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

923 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.

892 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
15
11 PASS 1 REVIEW 1 FIX
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Info::
Last-Modified header present
Cache-Control

no-store, no-cache, must-revalidate, post-check=0, pre-check=0

DirectiveValueMeaning
no-store—Never cache this response
no-cache—Cache but always revalidate first
must-revalidate—Must recheck with server after expiry
post-check0
pre-check0
B
Image Optimization
16 images, 0 KB saveable
REVIEW
16 images, 0 KB saveable
Warning::
https://proxmox.com/images/proxmox/Proxmox_logo_st... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
16 images 76 KB
0 oversized -0 KB
14 legacy format
1 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

A+
Page Weight Budget
658 KB transferred, 50 requests
PASS
658 KB transferred, 50 requests
Info::
Page weighs 1.3 MB (658 KB transferred)
Info::
Fonts are 384 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 384 KB
Info::
50 HTTP requests
Info::
Estimated 0.13 g CO2 per page load
658 KB / 2.4 MB budget
658 KB transferred
50 requests
0.13 g CO2 per page load
Fonts 384.2 KiB 58%
CSS 87.6 KiB 13%
JavaScript 83.5 KiB 13%
Images 75.5 KiB 11%
HTML 15.3 KiB 2%
Other 11.5 KiB 2%
Other 600 B 0%
Other 226 B 0%
0 2.4 MB 4.9 MB
Under budget

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

A+
Third-Party Impact
3% third-party, 0 ms blocking
PASS
3% third-party, 0 ms blocking
Info::
Third-party code accounts for 3% of page weight (22.1 KiB of 658.4 KiB)
Info::
Third-party blocking time is low (0 ms)
97%
First-party Third-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+
JS Execution Cost
262ms total JS execution
PASS
262ms total JS execution
Info::
https://proxmox.com/en/: 145ms CPU time
Info::
Unattributable: 117ms CPU time
Info::
Third-party scripts: 117ms (45% of total)

Main Thread Breakdown

Other 45% Style & Layout 30% Script Evaluation 10% Rendering 6% Parse HTML & CSS 6%
ScriptTotalScriptingParse/CompileParty
https://proxmox.com/en/145ms4ms1ms1st
Unattributable117ms7ms0ms3rd
A+
Font Loading
4 fonts (384 KB)
PASS
4 fonts (384 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

384 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 605 ms LCP 892 mshttps://proxmox.com/media/templates/site/cassiopeia_proxmox/fonts/static/OpenSans/OpenSans-Regular.ttfOpenSans-Regular.ttf https://proxmox.com/media/templates/site/cassiopeia_proxmox/fonts/static/OpenSans/OpenSans-Regular.ttf — 76.7 KiB — 259 ms — font-display: swaphttps://proxmox.com/media/vendor/fontawesome-free/webfonts/fa-solid-900.woff2?v=4a6591fa-solid-900.woff2 https://proxmox.com/media/vendor/fontawesome-free/webfonts/fa-solid-900.woff2?v=4a6591 — 155.0 KiB — 343 ms — font-display: swaphttps://proxmox.com/media/templates/site/cassiopeia_proxmox/fonts/static/Lato/Lato-Regular.ttfLato-Regular.ttf https://proxmox.com/media/templates/site/cassiopeia_proxmox/fonts/static/Lato/Lato-Regular.ttf — 36.1 KiB — 186 ms — font-display: swaphttps://proxmox.com/media/vendor/fontawesome-free/webfonts/fa-brands-400.woff2?v=cbcf42fa-brands-400.woff2 https://proxmox.com/media/vendor/fontawesome-free/webfonts/fa-brands-400.woff2?v=cbcf42 — 116.4 KiB — 273 ms — font-display: swap
OpenSans-Regular.ttf ttf swap
Size 77 KB
Load time 259 ms
Start 815 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
fa-solid-900.woff2 woff2 swap
Size 155 KB
Load time 343 ms
Start 816 ms
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
Lato-Regular.ttf ttf swap
Size 36 KB
Load time 186 ms
Start 817 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
fa-brands-400.woff2 woff2 swap
Size 116 KB
Load time 273 ms
Start 817 ms
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
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)

Fixing the unchecked items could save ~170 KB and ~340 ms

A+
JS Bundles
17 scripts, 0 KB unused
PASS
17 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://proxmox.com/media/plg_n3tcookieconsent/js/n3tconsentmanager.js?f626015 KB—✓1st
https://proxmox.com/media/system/js/core.min.js?a3d8f84 KB—✓1st
https://proxmox.com/media/templates/site/cassiopeia/js/template.min.js?f626011 KB—✓1st
https://proxmox.com/media/vendor/bootstrap/js/offcanvas.min.js?5.3.82 KB—✓1st
https://proxmox.com/media/vendor/bootstrap/js/dropdown.min.js?5.3.83 KB—✓1st
https://proxmox.com/media/templates/site/cassiopeia_proxmox/js/user.js?f626011 KB—✓1st
https://proxmox.com/media/com_finder/js/finder.min.js?7557611 KB—✓1st
https://proxmox.com/media/vendor/bootstrap/js/collapse.min.js?5.3.82 KB—✓1st
https://proxmox.com/media/system/js/fields/validate.min.js?75ac5d4 KB—✓1st
https://proxmox.com/media/system/js/messages.min.js?9a48112 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
50 resources · 658 KB · 0 KB savings available
PASS
50 resources · 658 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 658 KB
Info::
3 third-party resources (3% of weight)
50 resources · 658.4 KiB · 3 third-party Within 1MB page-weight target
Font 58% · 384.2 KiB
CSS 13% · 87.6 KiB
Image 13% · 86.2 KiB
JavaScript 13% · 83.5 KiB
Document 2% · 16.1 KiB
Other 0% · 826 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: firstcolo

Network Waterfall
50 requests over 1435ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 605 ms LCP 892 mshttps://proxmox.com// https://proxmox.com/ — 301 — 856 B — 267 ms — http/1.1https://proxmox.com/en//en/ https://proxmox.com/en/ — 200 — 15.3 KiB — 199 ms — http/1.1https://proxmox.com/media/plg_n3tcookieconsent/js/n3tconsentmanager.js?f62601/media/plg_n3tcookieconsent/js/n3tc... https://proxmox.com/media/plg_n3tcookieconsent/js/n3tconsentmanager.js?f62601 — 200 — 5.2 KiB — 85 ms — http/1.1https://proxmox.com/media/system/css/joomla-fontawesome.min.css?f62601/media/system/css/joomla-fontawesom... https://proxmox.com/media/system/css/joomla-fontawesome.min.css?f62601 — 200 — 27.3 KiB — 140 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia/css/global/colors_standard.min.css?f62601/media/templates/site/cassiopeia/cs... https://proxmox.com/media/templates/site/cassiopeia/css/global/colors_standard.min.css?f62601 — 200 — 676 B — 162 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia/css/template.min.css?f62601/media/templates/site/cassiopeia/cs... https://proxmox.com/media/templates/site/cassiopeia/css/template.min.css?f62601 — 200 — 38.5 KiB — 224 ms — http/1.1https://proxmox.com/media/mod_languages/css/template.min.css?f62601/media/mod_languages/css/template.m... https://proxmox.com/media/mod_languages/css/template.min.css?f62601 — 200 — 726 B — 241 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia/css/vendor/joomla-custom-elements/joomla-alert.min.css?0.4.1/media/templates/site/cassiopeia/cs... https://proxmox.com/media/templates/site/cassiopeia/css/vendor/joomla-custom-elements/joomla-alert.min.css?0.4.1 — 200 — 2.0 KiB — 243 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia_proxmox/css/user.css?f62601/media/templates/site/cassiopeia_pr... https://proxmox.com/media/templates/site/cassiopeia_proxmox/css/user.css?f62601 — 200 — 9.0 KiB — 244 ms — http/1.1https://proxmox.com/media/plg_system_jcepro/site/css/content.min.css?86aa0286b6232c4a5b58f892ce080277/media/plg_system_jcepro/site/css/c... https://proxmox.com/media/plg_system_jcepro/site/css/content.min.css?86aa0286b6232c4a5b58f892ce080277 — 200 — 1.5 KiB — 246 ms — http/1.1https://proxmox.com/media/plg_n3tcookieconsent/css/n3tconsentmanager.min.css?f62601/media/plg_n3tcookieconsent/css/n3t... https://proxmox.com/media/plg_n3tcookieconsent/css/n3tconsentmanager.min.css?f62601 — 200 — 6.5 KiB — 248 ms — http/1.1https://proxmox.com/media/system/js/core.min.js?a3d8f8/media/system/js/core.min.js?a3d8f8 https://proxmox.com/media/system/js/core.min.js?a3d8f8 — 200 — 3.6 KiB — 302 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia/js/template.min.js?f62601/media/templates/site/cassiopeia/js... https://proxmox.com/media/templates/site/cassiopeia/js/template.min.js?f62601 — 200 — 1.0 KiB — 319 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/offcanvas.min.js?5.3.8/media/vendor/bootstrap/js/offcanva... https://proxmox.com/media/vendor/bootstrap/js/offcanvas.min.js?5.3.8 — 200 — 1.9 KiB — 321 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/dropdown.min.js?5.3.8/media/vendor/bootstrap/js/dropdown... https://proxmox.com/media/vendor/bootstrap/js/dropdown.min.js?5.3.8 — 200 — 2.9 KiB — 331 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia_proxmox/js/user.js?f62601/media/templates/site/cassiopeia_pr... https://proxmox.com/media/templates/site/cassiopeia_proxmox/js/user.js?f62601 — 200 — 833 B — 331 ms — http/1.1https://proxmox.com/media/com_finder/js/finder.min.js?755761/media/com_finder/js/finder.min.js?... https://proxmox.com/media/com_finder/js/finder.min.js?755761 — 200 — 1.2 KiB — 381 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/collapse.min.js?5.3.8/media/vendor/bootstrap/js/collapse... https://proxmox.com/media/vendor/bootstrap/js/collapse.min.js?5.3.8 — 200 — 1.9 KiB — 403 ms — http/1.1https://proxmox.com/media/system/js/fields/validate.min.js?75ac5d/media/system/js/fields/validate.mi... https://proxmox.com/media/system/js/fields/validate.min.js?75ac5d — 200 — 3.6 KiB — 404 ms — http/1.1https://proxmox.com/media/system/js/messages.min.js?9a4811/media/system/js/messages.min.js?9a... https://proxmox.com/media/system/js/messages.min.js?9a4811 — 200 — 2.2 KiB — 401 ms — http/1.1https://proxmox.com/media/vendor/joomla-custom-elements/css/joomla-alert.css/media/vendor/joomla-custom-element... https://proxmox.com/media/vendor/joomla-custom-elements/css/joomla-alert.css — 200 — 1.4 KiB — 83 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/dom.min.js?5.3.8/media/vendor/bootstrap/js/dom.min.... https://proxmox.com/media/vendor/bootstrap/js/dom.min.js?5.3.8 — 200 — 7.0 KiB — 91 ms — http/1.1https://proxmox.com/images/proxmox/Proxmox_logo_standard_hex_400px.png/images/proxmox/Proxmox_logo_standa... https://proxmox.com/images/proxmox/Proxmox_logo_standard_hex_400px.png — 200 — 7.6 KiB — 86 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/popper.min.js?5.3.8/media/vendor/bootstrap/js/popper.m... https://proxmox.com/media/vendor/bootstrap/js/popper.min.js?5.3.8 — 200 — 8.0 KiB — 132 ms — http/1.1https://piwik.proxmox.com/matomo.jspiwik.proxmox.com/matomo.js https://piwik.proxmox.com/matomo.js — 200 — 21.9 KiB — 459 ms — http/1.1https://proxmox.com/images/proxmox/proxmox-start-page-banner-orange.svg/images/proxmox/proxmox-start-page-... https://proxmox.com/images/proxmox/proxmox-start-page-banner-orange.svg — 200 — 3.7 KiB — 117 ms — http/1.1https://proxmox.com/images/proxmox/Proxmox-logo-white-orange-800.png/images/proxmox/Proxmox-logo-white-... https://proxmox.com/images/proxmox/Proxmox-logo-white-orange-800.png — 200 — 17.1 KiB — 161 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia_proxmox/fonts/static/OpenSans/OpenSans-Regular.ttf/media/templates/site/cassiopeia_pr... https://proxmox.com/media/templates/site/cassiopeia_proxmox/fonts/static/OpenSans/OpenSans-Regular.ttf — 200 — 76.7 KiB — 259 ms — http/1.1https://proxmox.com/media/vendor/fontawesome-free/webfonts/fa-solid-900.woff2?v=4a6591/media/vendor/fontawesome-free/webf... https://proxmox.com/media/vendor/fontawesome-free/webfonts/fa-solid-900.woff2?v=4a6591 — 200 — 155.0 KiB — 343 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia_proxmox/fonts/static/Lato/Lato-Regular.ttf/media/templates/site/cassiopeia_pr... https://proxmox.com/media/templates/site/cassiopeia_proxmox/fonts/static/Lato/Lato-Regular.ttf — 200 — 36.1 KiB — 186 ms — http/1.1
0 ms 500 ms 1.0 s 1.5 s FCP 605 ms LCP 892 mshttps://proxmox.com// https://proxmox.com/ — 301 — 856 B — 267 ms — http/1.1https://proxmox.com/en//en/ https://proxmox.com/en/ — 200 — 15.3 KiB — 199 ms — http/1.1https://proxmox.com/media/plg_n3tcookieconsent/js/n3tconsentmanager.js?f62601/media/plg_n3tcookieconsent/js/n3tc... https://proxmox.com/media/plg_n3tcookieconsent/js/n3tconsentmanager.js?f62601 — 200 — 5.2 KiB — 85 ms — http/1.1https://proxmox.com/media/system/css/joomla-fontawesome.min.css?f62601/media/system/css/joomla-fontawesom... https://proxmox.com/media/system/css/joomla-fontawesome.min.css?f62601 — 200 — 27.3 KiB — 140 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia/css/global/colors_standard.min.css?f62601/media/templates/site/cassiopeia/cs... https://proxmox.com/media/templates/site/cassiopeia/css/global/colors_standard.min.css?f62601 — 200 — 676 B — 162 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia/css/template.min.css?f62601/media/templates/site/cassiopeia/cs... https://proxmox.com/media/templates/site/cassiopeia/css/template.min.css?f62601 — 200 — 38.5 KiB — 224 ms — http/1.1https://proxmox.com/media/mod_languages/css/template.min.css?f62601/media/mod_languages/css/template.m... https://proxmox.com/media/mod_languages/css/template.min.css?f62601 — 200 — 726 B — 241 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia/css/vendor/joomla-custom-elements/joomla-alert.min.css?0.4.1/media/templates/site/cassiopeia/cs... https://proxmox.com/media/templates/site/cassiopeia/css/vendor/joomla-custom-elements/joomla-alert.min.css?0.4.1 — 200 — 2.0 KiB — 243 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia_proxmox/css/user.css?f62601/media/templates/site/cassiopeia_pr... https://proxmox.com/media/templates/site/cassiopeia_proxmox/css/user.css?f62601 — 200 — 9.0 KiB — 244 ms — http/1.1https://proxmox.com/media/plg_system_jcepro/site/css/content.min.css?86aa0286b6232c4a5b58f892ce080277/media/plg_system_jcepro/site/css/c... https://proxmox.com/media/plg_system_jcepro/site/css/content.min.css?86aa0286b6232c4a5b58f892ce080277 — 200 — 1.5 KiB — 246 ms — http/1.1https://proxmox.com/media/plg_n3tcookieconsent/css/n3tconsentmanager.min.css?f62601/media/plg_n3tcookieconsent/css/n3t... https://proxmox.com/media/plg_n3tcookieconsent/css/n3tconsentmanager.min.css?f62601 — 200 — 6.5 KiB — 248 ms — http/1.1https://proxmox.com/media/system/js/core.min.js?a3d8f8/media/system/js/core.min.js?a3d8f8 https://proxmox.com/media/system/js/core.min.js?a3d8f8 — 200 — 3.6 KiB — 302 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia/js/template.min.js?f62601/media/templates/site/cassiopeia/js... https://proxmox.com/media/templates/site/cassiopeia/js/template.min.js?f62601 — 200 — 1.0 KiB — 319 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/offcanvas.min.js?5.3.8/media/vendor/bootstrap/js/offcanva... https://proxmox.com/media/vendor/bootstrap/js/offcanvas.min.js?5.3.8 — 200 — 1.9 KiB — 321 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/dropdown.min.js?5.3.8/media/vendor/bootstrap/js/dropdown... https://proxmox.com/media/vendor/bootstrap/js/dropdown.min.js?5.3.8 — 200 — 2.9 KiB — 331 ms — http/1.1https://proxmox.com/media/templates/site/cassiopeia_proxmox/js/user.js?f62601/media/templates/site/cassiopeia_pr... https://proxmox.com/media/templates/site/cassiopeia_proxmox/js/user.js?f62601 — 200 — 833 B — 331 ms — http/1.1https://proxmox.com/media/com_finder/js/finder.min.js?755761/media/com_finder/js/finder.min.js?... https://proxmox.com/media/com_finder/js/finder.min.js?755761 — 200 — 1.2 KiB — 381 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/collapse.min.js?5.3.8/media/vendor/bootstrap/js/collapse... https://proxmox.com/media/vendor/bootstrap/js/collapse.min.js?5.3.8 — 200 — 1.9 KiB — 403 ms — http/1.1https://proxmox.com/media/system/js/fields/validate.min.js?75ac5d/media/system/js/fields/validate.mi... https://proxmox.com/media/system/js/fields/validate.min.js?75ac5d — 200 — 3.6 KiB — 404 ms — http/1.1https://proxmox.com/media/system/js/messages.min.js?9a4811/media/system/js/messages.min.js?9a... https://proxmox.com/media/system/js/messages.min.js?9a4811 — 200 — 2.2 KiB — 401 ms — http/1.1https://proxmox.com/media/vendor/joomla-custom-elements/css/joomla-alert.css/media/vendor/joomla-custom-element... https://proxmox.com/media/vendor/joomla-custom-elements/css/joomla-alert.css — 200 — 1.4 KiB — 83 ms — http/1.1https://proxmox.com/media/vendor/bootstrap/js/dom.min.js?5.3.8/media/vendor/bootstrap/js/dom.min.... https://proxmox.com/media/vendor/bootstrap/js/dom.min.js?5.3.8 — 200 — 7.0 KiB — 91 ms — 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
45% of JavaScript execution is third-party
First-party Third-party 117ms · 0KB · £1/mo
Unattributable
Other
Optional
Execution 117ms
Transfer 0 KB
Monthly Cost £1/mo

45% of JavaScript execution time comes from third-party scripts.

Why this matters

Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.

Learn more ▾

Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.

Source: web.dev / HTTP Archive Web Almanac

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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