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https://tu-dresden.de

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
86
GRADE
B
FIX
0
REVIEW
6
PASS
7
INFO
2

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

Mobile Desktop
81
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
81
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.
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.

1.07 s

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

1.82 s

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.

0.121

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

2.34 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.

1.84 s

Page Load Progression

611 ms
1.2 s
1.8 s
2.4 s
3.1 s
3.7 s
4.3 s
4.9 s
Checks
15
7 PASS 6 REVIEW
B
Page Weight Budget
1.3 MB transferred, 40 requests
REVIEW
1.3 MB transferred, 40 requests
Info::
Page weighs 2.1 MB (1.3 MB transferred)
Info::
40 HTTP requests
Info::
Estimated 0.27 g CO2 per page load
1.3 MB / 2.4 MB budget
1.3 MB transferred
40 requests
0.27 g CO2 per page load
Images 791.8 KiB 61%
JavaScript 274.8 KiB 21%
Fonts 113.1 KiB 9%
CSS 61.9 KiB 5%
Other 30.8 KiB 2%
HTML 17.0 KiB 1%
Other 15.7 KiB 1%
Other 1.5 KiB 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget
C
Image Optimization
Action
21 images, 0 KB saveable
REVIEW
21 images, 0 KB saveable
Warning::
https://tu-dresden.de/ressourcen/bilder/startseite... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/tu-dresden/newsportal/ressou... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/++theme++tud.theme.webcms2/i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/ressourcen/bilder/buehne/exz... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/ressourcen/bilder/buehne/exz... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/++theme++tud.theme.webcms2/i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/ressourcen/bilder/buehne/exz... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/ressourcen/bilder/buehne/exz... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/tu-dresden/newsportal/ressou... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/med/mf/ressourcen/bilder/new... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/++theme++tud.theme.webcms2/i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/++theme++tud.theme.webcms2/i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://tu-dresden.de/ressourcen/bilder/buehne/exz... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
21 images 792 KB
0 oversized -0 KB
21 legacy format
13 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

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

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

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

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

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

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

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

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

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

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

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

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

B
JS Execution Cost
540ms total JS execution
REVIEW
540ms total JS execution
Warning::
https://tu-dresden.de/++plone++production/++unique...: 277ms CPU time
Info::
https://tu-dresden.de/: 168ms CPU time
Info::
Unattributable: 95ms CPU time
Info::
Third-party scripts: 95ms (18% of total)

Main Thread Breakdown

Script Evaluation 33% Other 30% Style & Layout 21% Rendering 10%
ScriptTotalScriptingParse/CompileParty
https://tu-dresden.de/++plone++production/++unique++2026-03-30T14:52:00.121084/default.js277ms166ms12ms1st
https://tu-dresden.de/168ms2ms1ms1st
Unattributable95ms10ms0ms3rd
B
JS Bundles
4 scripts, 117 KB unused
REVIEW
4 scripts, 117 KB unused
Warning::
https://tu-dresden.de/++plone++production/++unique...: 79 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://tu-dresden.de/++plone++production/++unique...: unminified — 26 KB could be saved
Warning::
https://matomo.tu-dresden.de/matomo.js: 38 KB unused (57%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 117 KB
117 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://tu-dresden.de/++plone++production/++unique++2026-03-30T14:52:00.121084/default.js203 KB79 KB (39%)✗1st
https://matomo.tu-dresden.de/matomo.js67 KB38 KB (57%)✓3rd
https://tu-dresden.de/++plone++static/++unique++2024-11-11%2023%3A39%3A45.815496/plone-legacy-compiled.js4 KB—✓1st
https://tu-dresden.de/++plone++tud.addons.webcms/mockup/translate-catalog.js2 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

B
Page Weight Inventory
40 resources · 1.3 MB · 117 KB savings available
REVIEW
40 resources · 1.3 MB · 117 KB savings available
Warning::
Page weight 283 KB over 1MB target
Got: 1.3 MB Expected: ≤ 1 MB
Info::
~117 KB of savings available
Info::
2 third-party resources (5% of weight)
Info::
1 resources over 200KB
40 resources · 1.3 MiB · 2 third-party 282.6 KiB over 1MB target
Image 62% · 807.0 KiB
JavaScript 21% · 274.8 KiB
Font 9% · 113.1 KiB
CSS 5% · 61.9 KiB
Other 3% · 32.8 KiB
Document 1% · 17.0 KiB

~117.3 KiB of savings available

Remove unused JavaScript: 117.3 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
5% third-party, 0 ms blocking
PASS
5% third-party, 0 ms blocking
Info::
Third-party code accounts for 5% of page weight (66.7 KiB of 1.3 MiB)
Info::
Third-party blocking time is low (0 ms)
95%
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 (113 KB)
PASS
5 fonts (113 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

113 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 FCP 1.1 s LCP 1.8 shttps://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-regular.woff2opensans-regular.woff2 https://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-regular.woff2 — 17.0 KiB — 1.7 s — font-display: swaphttps://tu-dresden.de/++theme++tud.theme.webcms2/fonts/tud-icons.woff?6886tud-icons.woff https://tu-dresden.de/++theme++tud.theme.webcms2/fonts/tud-icons.woff?6886 — 43.0 KiB — 1.9 s — font-display: swaphttps://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-bold.woff2opensans-bold.woff2 https://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-bold.woff2 — 17.6 KiB — 1.9 s — font-display: swaphttps://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-semibold.woff2opensans-semibold.woff2 https://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-semibold.woff2 — 17.7 KiB — 2.0 s — font-display: swaphttps://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-light.woff2opensans-light.woff2 https://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-light.woff2 — 17.9 KiB — 2.1 s — font-display: swap
opensans-regular.woff2 woff2 swap
Size 17 KB
Load time 1.7 s
Start 1.8 s
Risk FOUT — text flashes from fallback to web font
tud-icons.woff woff swap
Size 43 KB
Load time 1.9 s
Start 1.8 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
opensans-bold.woff2 woff2 swap
Size 18 KB
Load time 1.9 s
Start 1.8 s
Risk FOUT — text flashes from fallback to web font
opensans-semibold.woff2 woff2 swap
Size 18 KB
Load time 2.0 s
Start 1.8 s
Risk FOUT — text flashes from fallback to web font
opensans-light.woff2 woff2 swap
Size 18 KB
Load time 2.1 s
Start 1.8 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)

Fixing the unchecked items could save ~13 KB and ~26 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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A
HTTP Caching
max-age=60 (1 minute)
PASS
max-age=60 (1 minute)
Info::
Cache-Control header is set
Got: max-age=60, s-maxage=0, public
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

max-age=60, s-maxage=0, public

DirectiveValueMeaning
max-age60Cache for 1 minute
s-maxage0CDN caches for 0 seconds
public—Any cache may store this response
Effective TTL: 60 seconds
Network Waterfall
40 requests over 4965ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 1.1 s LCP 1.8 shttps://tu-dresden.de// https://tu-dresden.de/ — 200 — 17.0 KiB — 195 ms — h2https://tu-dresden.de/++plone++production/++unique++2026-03-30T14:52:00.121084/default.css/++plone++production/++unique++2026... https://tu-dresden.de/++plone++production/++unique++2026-03-30T14:52:00.121084/default.css — 200 — 1.9 KiB — 44 ms — h2https://tu-dresden.de/++theme++tud.theme.webcms2/css/common.css?version=None/++theme++tud.theme.webcms2/css/com... https://tu-dresden.de/++theme++tud.theme.webcms2/css/common.css?version=None — 200 — 58.9 KiB — 455 ms — h2https://tu-dresden.de/++plone++static/++unique++2024-11-11%2023%3A39%3A45.815496/plone-legacy-compiled.css/++plone++static/++unique++2024-11-... https://tu-dresden.de/++plone++static/++unique++2024-11-11%2023%3A39%3A45.815496/plone-legacy-compiled.css — 200 — 1.1 KiB — 45 ms — h2https://tu-dresden.de/++plone++production/++unique++2026-03-30T14:52:00.121084/default.js/++plone++production/++unique++2026... https://tu-dresden.de/++plone++production/++unique++2026-03-30T14:52:00.121084/default.js — 200 — 202.5 KiB — 1.5 s — h2https://tu-dresden.de/++plone++static/++unique++2024-11-11%2023%3A39%3A45.815496/plone-legacy-compiled.js/++plone++static/++unique++2024-11-... https://tu-dresden.de/++plone++static/++unique++2024-11-11%2023%3A39%3A45.815496/plone-legacy-compiled.js — 200 — 3.6 KiB — 46 ms — h2https://tu-dresden.de/++theme++tud.theme.webcms2/img/tud-logo-white-en-2025-v2.svg/++theme++tud.theme.webcms2/img/tud... https://tu-dresden.de/++theme++tud.theme.webcms2/img/tud-logo-white-en-2025-v2.svg — 200 — 8.9 KiB — 194 ms — h2https://tu-dresden.de/ressourcen/bilder/startseite/Stills-00_00_00_02-Still003.jpg/@@images/1a924de7-c36b-4044-bfc2-b5575d1519db.jpeg/ressourcen/bilder/startseite/Still... https://tu-dresden.de/ressourcen/bilder/startseite/Stills-00_00_00_02-Still003.jpg/@@images/1a924de7-c36b-4044-bfc2-b5575d1519db.jpeg — 200 — 19.1 KiB — 119 ms — h2https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/roboter-sinfonie/@@images/c9ac461a-b874-4b00-937b-b6a780074c14.jpeg/ressourcen/bilder/buehne/exzellenz... https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/roboter-sinfonie/@@images/c9ac461a-b874-4b00-937b-b6a780074c14.jpeg — 200 — 26.9 KiB — 1.6 s — h2https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/rec2_pixelwg_Joerg-Bandmann.jpg/@@images/bb97ebc7-3032-4918-ab0d-5fc5aeaa7139.jpeg/ressourcen/bilder/buehne/exzellenz... https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/rec2_pixelwg_Joerg-Bandmann.jpg/@@images/bb97ebc7-3032-4918-ab0d-5fc5aeaa7139.jpeg — 200 — 19.7 KiB — 1.5 s — h2https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/areas-of-excellence-clusterskizzen/CARE2_TUD-TD.png/@@images/c21aff3f-9f8b-41ec-b088-b96b2b9ad70d.png/ressourcen/bilder/buehne/exzellenz... https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/areas-of-excellence-clusterskizzen/CARE2_TUD-TD.png/@@images/c21aff3f-9f8b-41ec-b088-b96b2b9ad70d.png — 200 — 101.9 KiB — 1.0 s — h2https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/bilder-der-exc/ct.qmat/Oberflaechen-Exzitonen_BildThinkDesignJochenThamm.jpg/@@images/b32bb2d4-8d0a-487a-9060-b821c29fe2f6.jpeg/ressourcen/bilder/buehne/exzellenz... https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/bilder-der-exc/ct.qmat/Oberflaechen-Exzitonen_BildThinkDesignJochenThamm.jpg/@@images/b32bb2d4-8d0a-487a-9060-b821c29fe2f6.jpeg — 200 — 34.4 KiB — 375 ms — h2https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/bilder-der-exc/pol/190122_Kachel_Forschung_PoL_960x540.jpg/@@images/73590ec6-15c3-47de-9bee-24e53f4bf0c5.jpeg/ressourcen/bilder/buehne/exzellenz... https://tu-dresden.de/ressourcen/bilder/buehne/exzellenz/bilder-der-exc/pol/190122_Kachel_Forschung_PoL_960x540.jpg/@@images/73590ec6-15c3-47de-9bee-24e53f4bf0c5.jpeg — 200 — 28.3 KiB — 449 ms — h2https://tu-dresden.de/tu-dresden/newsportal/ressourcen/bilder/news-bilder/fotos-2026/Saechsische-Akademie.jpg/@@images/42330e52-cb8e-4cc1-a6fb-912e7e5646bd.jpeg/tu-dresden/newsportal/ressourcen/b... https://tu-dresden.de/tu-dresden/newsportal/ressourcen/bilder/news-bilder/fotos-2026/Saechsische-Akademie.jpg/@@images/42330e52-cb8e-4cc1-a6fb-912e7e5646bd.jpeg — 200 — 15.2 KiB — 380 ms — h2https://tu-dresden.de/tu-dresden/newsportal/ressourcen/bilder/news-bilder/fotos-2026/halbleiterprobe/@@images/8b9bde21-b8bf-46bd-a91d-305cb33aef68.jpeg/tu-dresden/newsportal/ressourcen/b... https://tu-dresden.de/tu-dresden/newsportal/ressourcen/bilder/news-bilder/fotos-2026/halbleiterprobe/@@images/8b9bde21-b8bf-46bd-a91d-305cb33aef68.jpeg — 200 — 16.5 KiB — 263 ms — h2https://tu-dresden.de/med/mf/ressourcen/bilder/news/2026/Mi2.jpg/@@images/508ae1cd-78e0-4816-af87-4432c93ca73f.jpeg/med/mf/ressourcen/bilder/news/2026... https://tu-dresden.de/med/mf/ressourcen/bilder/news/2026/Mi2.jpg/@@images/508ae1cd-78e0-4816-af87-4432c93ca73f.jpeg — 200 — 29.3 KiB — 1.0 s — h2https://tu-dresden.de/ressourcen/bilder/startseite/Logo_SCS_bunt.png/@@images/e9bd7728-c1b0-483e-9d69-20ffe6ae76f1.png/ressourcen/bilder/startseite/Logo_... https://tu-dresden.de/ressourcen/bilder/startseite/Logo_SCS_bunt.png/@@images/e9bd7728-c1b0-483e-9d69-20ffe6ae76f1.png — 200 — 19.3 KiB — 561 ms — h2https://tu-dresden.de/++theme++tud.theme.webcms2/img/tud_claim_2025.svg/++theme++tud.theme.webcms2/img/tud... https://tu-dresden.de/++theme++tud.theme.webcms2/img/tud_claim_2025.svg — 200 — 13.6 KiB — 486 ms — h2https://tu-dresden.de/++theme++tud.theme.webcms2/img/eutopia-logo.svg/++theme++tud.theme.webcms2/img/eut... https://tu-dresden.de/++theme++tud.theme.webcms2/img/eutopia-logo.svg — 200 — 11.1 KiB — 599 ms — h2https://tu-dresden.de/++theme++tud.theme.webcms2/img/sachsen-signet-gruen.svg/++theme++tud.theme.webcms2/img/sac... https://tu-dresden.de/++theme++tud.theme.webcms2/img/sachsen-signet-gruen.svg — 200 — 2.9 KiB — 487 ms — h2https://matomo.tu-dresden.de/matomo.jsmatomo.tu-dresden.de/matomo.js https://matomo.tu-dresden.de/matomo.js — 200 — 66.7 KiB — 199 ms — http/1.1https://tu-dresden.de/ressourcen/bilder/startseite/2026_Exzellenz-Header_final.jpg?v=3/ressourcen/bilder/startseite/2026_... https://tu-dresden.de/ressourcen/bilder/startseite/2026_Exzellenz-Header_final.jpg?v=3 — 302 — 492 B — 1.0 s — h2https://tu-dresden.de/startseite/video-fuer-studieninteressierte/@@preview/startseite/video-fuer-studieninter... https://tu-dresden.de/startseite/video-fuer-studieninteressierte/@@preview — 200 — 115.5 KiB — 2.2 s — h2https://tu-dresden.de/++theme++tud.theme.webcms2/img/icons/video-overlay_youtube.svg/++theme++tud.theme.webcms2/img/ico... https://tu-dresden.de/++theme++tud.theme.webcms2/img/icons/video-overlay_youtube.svg — 200 — 3.5 KiB — 1.1 s — h2https://tu-dresden.de/++theme++tud.theme.webcms2/img/tud-logo-sliver.svg/++theme++tud.theme.webcms2/img/tud... https://tu-dresden.de/++theme++tud.theme.webcms2/img/tud-logo-sliver.svg — 200 — 643 B — 1.2 s — h2https://tu-dresden.de/ressourcen/bilder/campus-navigator-placeit.jpg/@@images/1700a689-5998-4fd1-8f7e-498084059b7f.jpeg/ressourcen/bilder/campus-navigator... https://tu-dresden.de/ressourcen/bilder/campus-navigator-placeit.jpg/@@images/1700a689-5998-4fd1-8f7e-498084059b7f.jpeg — 200 — 27.9 KiB — 1.5 s — h2https://tu-dresden.de/++theme++tud.theme.webcms2/fonts/OpenSans/opensans-regular.woff2/++theme++tud.theme.webcms2/fonts/O... 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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
18% of JavaScript execution is third-party
First-party Third-party 95ms · 0KB · €1/mo
Unattributable
Other
Optional
Execution 95ms
Transfer 0 KB
Monthly Cost €1/mo

How third-party costs are calculated

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