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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
84
GRADE
B
FIX
2
REVIEW
5
PASS
8
INFO
2

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

Mobile Desktop
59
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
82
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
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.

4.73 s

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

7.68 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.

0.000

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

5.95 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.

7.69 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
17
8 PASS 5 REVIEW 2 FIX
D
JS Execution Cost
Action
2143ms total JS execution
FIX
2143ms total JS execution
Warning::
https://owncloud.com/: 429ms CPU time
Warning::
Unattributable: 400ms CPU time
Warning::
https://owncloud.com/wp-includes/js/jquery/jquery....: 326ms CPU time
Warning::
https://consent.cookiebot.com/e217f921-fa5e-4784-a...: 278ms CPU time
Info::
https://consent.cookiebot.com/uc.js: 203ms CPU time
Warning::
Third-party scripts: 1078ms (50% of total)

Main Thread Breakdown

Script Evaluation 42% Other 19% Style & Layout 18% Script Parsing & Compilation 9% Parse HTML & CSS 9%
ScriptTotalScriptingParse/CompileParty
https://owncloud.com/429ms25ms13ms1st
Unattributable400ms6ms0ms3rd
https://owncloud.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1326ms225ms8ms1st
https://consent.cookiebot.com/e217f921-fa5e-4784-a72e-76553381c036/cc.js?renew=false&referer=owncloud.com&dnt=false&init=false278ms114ms44ms3rd
https://consent.cookiebot.com/uc.js203ms165ms22ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-MZHCZVT196ms145ms38ms3rd
https://owncloud.com/wp-content/themes/ownCloud/dist/js/forms2.min.js?ver=1126ms59ms18ms1st
https://owncloud.com/wp-content/themes/Divi/js/scripts.min.js?ver=4.27.6126ms92ms23ms1st
https://owncloud.com/wp-content/cache/min/1/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/assets/js/salvattore.js?ver=177504591758ms52ms1ms1st
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-cache, no-store, must-revalidate
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present
Cache-Control

no-cache, no-store, must-revalidate

DirectiveValueMeaning
no-cache—Cache but always revalidate first
no-store—Never cache this response
must-revalidate—Must recheck with server after expiry
C
Page Weight Budget
Action
1.8 MB transferred, 68 requests
REVIEW
1.8 MB transferred, 68 requests
Info::
Page weighs 4.3 MB (1.8 MB transferred)
Warning::
JavaScript is 575 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 575 KB
Info::
Fonts are 215 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 215 KB
Info::
68 HTTP requests
Info::
Estimated 0.38 g CO2 per page load
1.8 MB / 2.4 MB budget
1.8 MB transferred
68 requests
0.38 g CO2 per page load
Images 897.1 KiB 49%
JavaScript 574.6 KiB 31%
Fonts 215.3 KiB 12%
CSS 110.3 KiB 6%
HTML 32.9 KiB 2%
Other 15.1 KiB 1%
Other 940 B 0%
0 2.4 MB 4.9 MB
Approaching limit

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

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

B
Image Optimization
22 images, 0 KB saveable
REVIEW
22 images, 0 KB saveable
Info::
All images are well-optimized
22 images 897 KB
0 oversized -0 KB
19 legacy format
0 missing dimensions CLS risk
C
JS Bundles
Action
26 scripts, 262 KB unused
REVIEW
26 scripts, 262 KB unused
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-MZH...: 71 KB unused (48%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://owncloud.com/wp-content/themes/ownCloud/di...: 48 KB unused (74%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://owncloud.com/wp-content/themes/Divi/js/scr...: 36 KB unused (65%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://owncloud.com/wp-includes/js/mediaelement/m...: 28 KB unused (82%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://consent.cookiebot.com/uc.js?cbid=e217f921-...: 26 KB unused (98%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 262 KB
262 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtm.js?id=GTM-MZHCZVT149 KB71 KB (48%)✓3rd
https://owncloud.com/wp-content/themes/ownCloud/dist/js/forms2.min.js?ver=165 KB48 KB (74%)✓1st
https://owncloud.com/wp-content/themes/Divi/js/scripts.min.js?ver=4.27.656 KB36 KB (65%)✓1st
https://owncloud.com/wp-includes/js/mediaelement/mediaelement-and-player.min.js?ver=4.2.1735 KB28 KB (82%)✓1st
https://consent.cookiebot.com/uc.js?cbid=e217f921-fa5e-4784-a72e-76553381c036&consentmode-dataredaction=dynamic27 KB26 KB (98%)✓3rd
https://consent.cookiebot.com/uc.js27 KB26 KB (98%)✓3rd
https://consent.cookiebot.com/e217f921-fa5e-4784-a72e-76553381c036/cc.js?renew=false&referer=owncloud.com&dnt=false&init=false108 KB26 KB (24%)✓3rd
https://owncloud.com/wp-includes/js/jquery/ui/core.min.js?ver=1.13.37 KB—✓1st
https://owncloud.com/wp-content/cache/min/1/wp-content/themes/ownCloud/dist/js/js.cookie.js?ver=17750459171 KB—✓1st
https://owncloud.com/wp-content/plugins/search-filter-pro/public/assets/js/chosen.jquery.min.js?ver=2.5.37 KB—✓1st

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

C
Page Weight Inventory
Action
68 resources · 1.8 MB · 262 KB savings available
REVIEW
68 resources · 1.8 MB · 262 KB savings available
Warning::
Page weight 822 KB over 1MB target
Got: 1.8 MB Expected: ≤ 1 MB
Info::
~262 KB of savings available
Info::
10 third-party resources (17% of weight)
Info::
1 resources over 200KB
68 resources · 1.8 MiB · 10 third-party 822.2 KiB over 1MB target
Image 49% · 912.2 KiB
JavaScript 31% · 574.6 KiB
Font 12% · 215.3 KiB
CSS 6% · 110.3 KiB
Document 2% · 32.9 KiB
Other 0% · 940 B

~262.2 KiB of savings available

Remove unused JavaScript: 262.2 KiB
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Third-Party Impact
17% third-party, 0 ms blocking
PASS
17% third-party, 0 ms blocking
Info::
Third-party code accounts for 17% of page weight (313.4 KiB of 1.8 MiB)
Info::
Third-party blocking time is low (0 ms)
83%
17%
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+
Font Loading
5 fonts (215 KB)
PASS
5 fonts (215 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

215 KB total

Render-blocking

0

of 5

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 4.7 s LCP 7.7 shttps://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-regular.woff2source-sans-pro-v13-lat... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-regular.woff2 — 16.1 KiB — 32 ms — font-display: swaphttps://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-600.woff2source-sans-pro-v13-lat... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-600.woff2 — 16.0 KiB — 34 ms — font-display: swaphttps://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-700.woff2source-sans-pro-v13-lat... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-700.woff2 — 15.8 KiB — 63 ms — font-display: swaphttps://owncloud.com/wp-content/themes/Divi/core/admin/fonts/modules/all/modules.woffmodules.woff https://owncloud.com/wp-content/themes/Divi/core/admin/fonts/modules/all/modules.woff — 90.4 KiB — 38 ms — font-display: swaphttps://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/fontawesome/webfonts/fa-solid-900.woff2fa-solid-900.woff2 https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/fontawesome/webfonts/fa-solid-900.woff2 — 76.9 KiB — 38 ms — font-display: swap
source-sans-pro-v13-lat... woff2 swap
Size 16 KB
Load time 32 ms
Start 146 ms
Risk FOUT — text flashes from fallback to web font
source-sans-pro-v13-lat... woff2 swap
Size 16 KB
Load time 34 ms
Start 146 ms
Risk FOUT — text flashes from fallback to web font
source-sans-pro-v13-lat... woff2 swap
Size 16 KB
Load time 63 ms
Start 146 ms
Risk FOUT — text flashes from fallback to web font
modules.woff woff swap
Size 90 KB
Load time 38 ms
Start 409 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 77 KB
Load time 38 ms
Start 409 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)

Fixing the unchecked items could save ~27 KB and ~54 ms

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
13 hints, 0 missing preconnects
PASS
13 hints, 0 missing preconnects
Info::
Page uses 13 resource hint(s)

Current Resource Hints

preconnect
1
preload
4
dns-prefetch
8
prefetch
—

13 resource hints configured

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
Network Waterfall
68 requests over 1362ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 4.7 s LCP 7.7 shttps://owncloud.com// https://owncloud.com/ — 200 — 32.2 KiB — 140 ms — h2https://consent.cookiebot.com/uc.jsconsent.cookiebot.com/uc.js https://consent.cookiebot.com/uc.js — 200 — 27.0 KiB — 74 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-regular.woff2/wp-content/themes/ownCloud/dist/as... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-regular.woff2 — 200 — 16.1 KiB — 32 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-600.woff2/wp-content/themes/ownCloud/dist/as... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-600.woff2 — 200 — 16.0 KiB — 34 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-700.woff2/wp-content/themes/ownCloud/dist/as... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-700.woff2 — 200 — 15.8 KiB — 63 ms — h2https://owncloud.com/wp-content/uploads/2020/07/Front.svg/wp-content/uploads/2020/07/Front.s... https://owncloud.com/wp-content/uploads/2020/07/Front.svg — 200 — 3.8 KiB — 64 ms — h2https://owncloud.com/wp-content/cache/min/1/wp-content/plugins/svg-support/css/svgs-attachment.css?ver=1775045917/wp-content/cache/min/1/wp-content/... https://owncloud.com/wp-content/cache/min/1/wp-content/plugins/svg-support/css/svgs-attachment.css?ver=1775045917 — 200 — 456 B — 64 ms — h2https://owncloud.com/wp-content/plugins/sitepress-multilingual-cms/templates/language-switchers/legacy-dropdown-click/style.min.css?ver=1/wp-content/plugins/sitepress-multi... https://owncloud.com/wp-content/plugins/sitepress-multilingual-cms/templates/language-switchers/legacy-dropdown-click/style.min.css?ver=1 — 200 — 817 B — 65 ms — h2https://owncloud.com/wp-content/cache/min/1/wp-content/plugins/email-encoder-bundle/assets/css/style.css?ver=1775045917/wp-content/cache/min/1/wp-content/... https://owncloud.com/wp-content/cache/min/1/wp-content/plugins/email-encoder-bundle/assets/css/style.css?ver=1775045917 — 200 — 560 B — 66 ms — h2https://owncloud.com/wp-content/plugins/search-filter-pro/public/assets/css/search-filter.min.css?ver=2.5.3/wp-content/plugins/search-filter-p... https://owncloud.com/wp-content/plugins/search-filter-pro/public/assets/css/search-filter.min.css?ver=2.5.3 — 200 — 6.2 KiB — 69 ms — h2https://owncloud.com/wp-content/cache/min/1/wp-content/themes/Divi/style-static.min.css?ver=1775045917/wp-content/cache/min/1/wp-content/... https://owncloud.com/wp-content/cache/min/1/wp-content/themes/Divi/style-static.min.css?ver=1775045917 — 200 — 66.7 KiB — 95 ms — h2https://owncloud.com/wp-content/cache/min/1/wp-content/themes/ownCloud/style.css?ver=1775045917/wp-content/cache/min/1/wp-content/... https://owncloud.com/wp-content/cache/min/1/wp-content/themes/ownCloud/style.css?ver=1775045917 — 200 — 19.1 KiB — 95 ms — h2https://owncloud.com/wp-content/cache/min/1/wp-content/themes/ownCloud/dist/assets/fonts/fontawesome/css/all.css?ver=1775045917/wp-content/cache/min/1/wp-content/... https://owncloud.com/wp-content/cache/min/1/wp-content/themes/ownCloud/dist/assets/fonts/fontawesome/css/all.css?ver=1775045917 — 200 — 12.5 KiB — 92 ms — h2https://owncloud.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1/wp-includes/js/jquery/jquery.min.j... https://owncloud.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 — 200 — 29.3 KiB — 98 ms — h2https://owncloud.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1/wp-includes/js/jquery/jquery-migra... https://owncloud.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1 — 200 — 5.0 KiB — 96 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/js/forms2.min.js?ver=1/wp-content/themes/ownCloud/dist/js... https://owncloud.com/wp-content/themes/ownCloud/dist/js/forms2.min.js?ver=1 — 200 — 65.3 KiB — 98 ms — h2https://owncloud.com/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css?ver=4.2.17/wp-includes/js/mediaelement/mediae... https://owncloud.com/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css?ver=4.2.17 — 200 — 2.7 KiB — 91 ms — h2https://owncloud.com/wp-includes/js/mediaelement/wp-mediaelement.min.css?ver=fa1c3e310bc50b0710f2e7ce55e8e6ae/wp-includes/js/mediaelement/wp-med... https://owncloud.com/wp-includes/js/mediaelement/wp-mediaelement.min.css?ver=fa1c3e310bc50b0710f2e7ce55e8e6ae — 200 — 1.4 KiB — 91 ms — h2https://owncloud.com/wp-content/uploads/2020/08/Home-UI-980x631.png/wp-content/uploads/2020/08/Home-UI... https://owncloud.com/wp-content/uploads/2020/08/Home-UI-980x631.png — 200 — 112.2 KiB — 116 ms — h2https://owncloud.com/wp-content/uploads/2024/02/oc-logo-kiteworks-large.svg/wp-content/uploads/2024/02/oc-logo... https://owncloud.com/wp-content/uploads/2024/02/oc-logo-kiteworks-large.svg — 200 — 9.9 KiB — 117 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/js/build.js?ver=1699609475/wp-content/themes/ownCloud/dist/js... https://owncloud.com/wp-content/themes/ownCloud/dist/js/build.js?ver=1699609475 — 200 — 6.0 KiB — 118 ms — h2https://owncloud.com/wp-content/cache/min/1/wp-content/themes/ownCloud/dist/js/js.cookie.js?ver=1775045917/wp-content/cache/min/1/wp-content/... https://owncloud.com/wp-content/cache/min/1/wp-content/themes/ownCloud/dist/js/js.cookie.js?ver=1775045917 — 200 — 1.1 KiB — 32 ms — h2https://owncloud.com/wp-content/cache/min/1/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/assets/js/jquery.fitvids.js?ver=1775045917/wp-content/cache/min/1/wp-content/... https://owncloud.com/wp-content/cache/min/1/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/assets/js/jquery.fitvids.js?ver=1775045917 — 200 — 1.3 KiB — 31 ms — h2https://owncloud.com/wp-content/plugins/sitepress-multilingual-cms/templates/language-switchers/legacy-dropdown-click/script.min.js?ver=1/wp-content/plugins/sitepress-multi... https://owncloud.com/wp-content/plugins/sitepress-multilingual-cms/templates/language-switchers/legacy-dropdown-click/script.min.js?ver=1 — 200 — 937 B — 37 ms — h2https://owncloud.com/wp-content/plugins/search-filter-pro/public/assets/js/search-filter-build.min.js?ver=2.5.3/wp-content/plugins/search-filter-p... https://owncloud.com/wp-content/plugins/search-filter-pro/public/assets/js/search-filter-build.min.js?ver=2.5.3 — 200 — 18.0 KiB — 42 ms — h2https://owncloud.com/wp-content/plugins/search-filter-pro/public/assets/js/chosen.jquery.min.js?ver=2.5.3/wp-content/plugins/search-filter-p... https://owncloud.com/wp-content/plugins/search-filter-pro/public/assets/js/chosen.jquery.min.js?ver=2.5.3 — 200 — 6.6 KiB — 43 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/assets/img/oc-logo-kiteworks-large.svg/wp-content/themes/ownCloud/dist/as... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/img/oc-logo-kiteworks-large.svg — 200 — 9.9 KiB — 44 ms — h2https://owncloud.com/wp-content/plugins/svg-support/vendor/DOMPurify/DOMPurify.min.js?ver=2.5.8/wp-content/plugins/svg-support/ven... https://owncloud.com/wp-content/plugins/svg-support/vendor/DOMPurify/DOMPurify.min.js?ver=2.5.8 — 200 — 8.7 KiB — 48 ms — h2https://owncloud.com/wp-content/plugins/svg-support/js/min/svgs-inline-min.js/wp-content/plugins/svg-support/js/... https://owncloud.com/wp-content/plugins/svg-support/js/min/svgs-inline-min.js — 200 — 1.1 KiB — 49 ms — h2https://owncloud.com/wp-includes/js/jquery/ui/core.min.js?ver=1.13.3/wp-includes/js/jquery/ui/core.min.... https://owncloud.com/wp-includes/js/jquery/ui/core.min.js?ver=1.13.3 — 200 — 7.0 KiB — 50 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 4.7 s LCP 7.7 shttps://owncloud.com// https://owncloud.com/ — 200 — 32.2 KiB — 140 ms — h2https://consent.cookiebot.com/uc.jsconsent.cookiebot.com/uc.js https://consent.cookiebot.com/uc.js — 200 — 27.0 KiB — 74 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-regular.woff2/wp-content/themes/ownCloud/dist/as... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-regular.woff2 — 200 — 16.1 KiB — 32 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-600.woff2/wp-content/themes/ownCloud/dist/as... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-600.woff2 — 200 — 16.0 KiB — 34 ms — h2https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-700.woff2/wp-content/themes/ownCloud/dist/as... https://owncloud.com/wp-content/themes/ownCloud/dist/assets/fonts/source-sans-pro-v13-latin-700.woff2 — 200 — 15.8 KiB — 63 ms — h2https://owncloud.com/wp-content/uploads/2020/07/Front.svg/wp-content/uploads/2020/07/Front.s... https://owncloud.com/wp-content/uploads/2020/07/Front.svg — 200 — 3.8 KiB — 64 ms — h2https://owncloud.com/wp-content/cache/min/1/wp-content/plugins/svg-support/css/svgs-attachment.css?ver=1775045917/wp-content/cache/min/1/wp-content/... https://owncloud.com/wp-content/cache/min/1/wp-content/plugins/svg-support/css/svgs-attachment.css?ver=1775045917 — 200 — 456 B — 64 ms — h2https://owncloud.com/wp-content/plugins/sitepress-multilingual-cms/templates/language-switchers/legacy-dropdown-click/style.min.css?ver=1/wp-content/plugins/sitepress-multi... https://owncloud.com/wp-content/plugins/sitepress-multilingual-cms/templates/language-switchers/legacy-dropdown-click/style.min.css?ver=1 — 200 — 817 B — 65 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
50% of JavaScript execution is third-party
First-party Third-party 1078ms · 284KB · €12/mo
Unattributable
Other
Costly
Execution 400ms
Transfer 0 KB
Monthly Cost €4/mo
consent.cookiebot.com
Other
Costly
Execution 278ms
Transfer 108 KB
Unused 24%
Monthly Cost €3/mo
consent.cookiebot.com
Other
Costly
Execution 203ms
Transfer 27 KB
Unused 98%
Monthly Cost €2/mo
Google Tag Manager
Tag Manager
Optional
Execution 196ms
Transfer 149 KB
Unused 48%
Monthly Cost €2/mo

These scripts may cost more than they're worth

  • Unattributable adds 400ms and costs ~€4/month
  • consent.cookiebot.com adds 278ms and costs ~€3/month
  • consent.cookiebot.com adds 203ms and costs ~€2/month

50% 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

Unattributable takes 400ms 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

consent.cookiebot.com takes 278ms 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

consent.cookiebot.com takes 203ms 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

98% of consent.cookiebot.com's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

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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