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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
82
GRADE
B
FIX
3
REVIEW
4
PASS
8
INFO
2

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

Mobile Desktop
61
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
80
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.

3.98 s

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

12.58 s

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

33 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.

6.38 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.

12.88 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 4 REVIEW 3 FIX
F
Page Weight Budget
Action
3.5 MB transferred, 52 requests
FIX
3.5 MB transferred, 52 requests
Warning::
Page weighs 4.0 MB (3.5 MB transferred)
Warning::
Images are 3.0 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 3.0 MB
Info::
Fonts are 291 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 291 KB
Info::
52 HTTP requests
Info::
Estimated 0.74 g CO2 per page load
3.5 MB / 2.4 MB budget
3.5 MB transferred
52 requests
0.74 g CO2 per page load
Images 3.0 MiB 84%
Fonts 291.2 KiB 8%
JavaScript 117.3 KiB 3%
Other 99.8 KiB 3%
CSS 57.7 KiB 2%
HTML 20.7 KiB 1%
Other 774 B 0%
Other 582 B 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

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

D
Page Weight Inventory
Action
52 resources · 3.5 MB · 20 KB savings available
FIX
52 resources · 3.5 MB · 20 KB savings available
Warning::
Page weight 2.5 MB over 1MB target
Got: 3.5 MB Expected: ≤ 1 MB
Warning::
10 third-party resources (45% of weight)
Info::
6 resources over 200KB
52 resources · 3.5 MiB · 10 third-party 2.5 MiB over 1MB target
Image 87% · 3.1 MiB
Font 8% · 291.2 KiB
JavaScript 3% · 117.3 KiB
CSS 2% · 57.7 KiB
Document 1% · 20.7 KiB
Other 0% · 1.3 KiB

~20.1 KiB of savings available

Remove unused JavaScript: 20.1 KiB
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
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-store, no-cache, must-revalidate

DirectiveValueMeaning
no-store—Never cache this response
no-cache—Cache but always revalidate first
must-revalidate—Must recheck with server after expiry
B
Third-Party Impact
45% third-party, 0 ms blocking
REVIEW
45% third-party, 0 ms blocking
Info::
Third-party code accounts for 45% of page weight (1.6 MiB of 3.5 MiB)
Info::
Third-party blocking time is low (0 ms)
55%
45%
First-party Third-party
C
Image Optimization
Action
30 images, 0 KB saveable
REVIEW
30 images, 0 KB saveable
Warning::
https://prins.uni-goettingen.de/files/bilder/pic_e... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/161072.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/164108.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/025d2c0... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/img/redesign/logo.svg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/177687.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/ac733cb... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://prins.uni-goettingen.de/files/bilder/pic_2... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://prins.uni-goettingen.de/files/bilder/pic_d... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/161159.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/25cd9f6... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/9e40a7d... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/7f6f237... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/8343f97... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/45dab66... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://prins.uni-goettingen.de/files/bilder/pic_d... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://prins.uni-goettingen.de/files/bilder/pic_0... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://prins.uni-goettingen.de/files/bilder/pic_5... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/f34d872... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/ffcaeb3... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/167451.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.uni-goettingen.de/storage/pictures/180... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/5ae8aa8... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/0b1b54c... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://uni-goettingen.de/storage/pictures/6b3b90e... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
30 images 3.0 MB
0 oversized -0 KB
30 legacy format
25 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

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
874ms total JS execution
REVIEW
874ms total JS execution
Warning::
Unattributable: 323ms CPU time
Warning::
https://uni-goettingen.de/: 298ms CPU time
Warning::
https://uni-goettingen.de/js/jquery/jquery-3.5.1.m...: 253ms CPU time
Info::
Third-party scripts: 323ms (37% of total)

Main Thread Breakdown

Other 41% Style & Layout 23% Script Evaluation 23% Parse HTML & CSS 5% Rendering 4% Script Parsing & Compilation 4%
ScriptTotalScriptingParse/CompileParty
Unattributable323ms6ms0ms3rd
https://uni-goettingen.de/298ms9ms5ms1st
https://uni-goettingen.de/js/jquery/jquery-3.5.1.min.js253ms186ms7ms1st
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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
2 fonts (291 KB)
PASS
2 fonts (291 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

291 KB total

Render-blocking

0

of 2

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 4.0 s LCP 12.6 shttps://uni-goettingen.de/resources/font-awesome/webfonts/fa-solid-900.woff2fa-solid-900.woff2 https://uni-goettingen.de/resources/font-awesome/webfonts/fa-solid-900.woff2 — 78.5 KiB — 293 ms — font-display: swaphttps://uni-goettingen.de/resources/fonts/OpenSans-Regular.ttfOpenSans-Regular.ttf https://uni-goettingen.de/resources/fonts/OpenSans-Regular.ttf — 212.7 KiB — 293 ms — font-display: swap
fa-solid-900.woff2 woff2 swap
Size 79 KB
Load time 293 ms
Start 683 ms
Risk FOUT — text flashes from fallback to web font
OpenSans-Regular.ttf ttf swap
Size 213 KB
Load time 293 ms
Start 683 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
  • 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
8 scripts, 20 KB unused
PASS
8 scripts, 20 KB unused
Warning::
https://matomo.gwdg.de/matomo.js: 20 KB unused (93%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 20 KB
20 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://matomo.gwdg.de/matomo.js22 KB20 KB (93%)✓3rd
https://uni-goettingen.de/js/jquery/jquery-3.5.1.min.js34 KB—✓1st
https://uni-goettingen.de/resources/bootstrap/js/bootstrap.min.js13 KB—✓1st
https://uni-goettingen.de/resources/fancybox/jquery.fancybox.min.js25 KB—✓1st
https://uni-goettingen.de/resources/IFrameShield/iFrameShield.js3 KB—✓1st
https://uni-goettingen.de/js/chatai-popup.js3 KB—✓1st
https://uni-goettingen.de/js/jquery/jquery.offcanvas.js6 KB—✗1st
https://uni-goettingen.de/resources/slick/slick.min.js12 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

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+
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
52 requests over 1125ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 4.0 s LCP 12.6 shttps://uni-goettingen.de// https://uni-goettingen.de/ — 200 — 20.7 KiB — 345 ms — h2https://uni-goettingen.de/resources/bootstrap/css/bootstrap.min.css/resources/bootstrap/css/bootstrap.... https://uni-goettingen.de/resources/bootstrap/css/bootstrap.min.css — 200 — 23.6 KiB — 47 ms — h2https://uni-goettingen.de/resources/font-awesome/css/all.min.css/resources/font-awesome/css/all.min... https://uni-goettingen.de/resources/font-awesome/css/all.min.css — 200 — 14.4 KiB — 86 ms — h2https://uni-goettingen.de/resources/fancybox/jquery.fancybox.min.css/resources/fancybox/jquery.fancybox... https://uni-goettingen.de/resources/fancybox/jquery.fancybox.min.css — 200 — 3.6 KiB — 87 ms — h2https://uni-goettingen.de/css/default.css?v=1/css/default.css?v=1 https://uni-goettingen.de/css/default.css?v=1 — 200 — 6.8 KiB — 88 ms — h2https://uni-goettingen.de/css/chatAI.css/css/chatAI.css https://uni-goettingen.de/css/chatAI.css — 200 — 1.5 KiB — 90 ms — h2https://uni-goettingen.de/js/jquery/jquery-3.5.1.min.js/js/jquery/jquery-3.5.1.min.js https://uni-goettingen.de/js/jquery/jquery-3.5.1.min.js — 200 — 34.2 KiB — 127 ms — h2https://uni-goettingen.de/resources/bootstrap/js/bootstrap.min.js/resources/bootstrap/js/bootstrap.m... https://uni-goettingen.de/resources/bootstrap/js/bootstrap.min.js — 200 — 12.7 KiB — 127 ms — h2https://uni-goettingen.de/resources/fancybox/jquery.fancybox.min.js/resources/fancybox/jquery.fancybox... https://uni-goettingen.de/resources/fancybox/jquery.fancybox.min.js — 200 — 24.5 KiB — 128 ms — h2https://uni-goettingen.de/resources/IFrameShield/iFrameShield.js/resources/IFrameShield/iFrameShiel... https://uni-goettingen.de/resources/IFrameShield/iFrameShield.js — 200 — 3.2 KiB — 127 ms — h2https://uni-goettingen.de/js/chatai-popup.js/js/chatai-popup.js https://uni-goettingen.de/js/chatai-popup.js — 200 — 3.0 KiB — 127 ms — h2https://uni-goettingen.de/resources/IFrameShield/iFrameShield.css/resources/IFrameShield/iFrameShiel... https://uni-goettingen.de/resources/IFrameShield/iFrameShield.css — 200 — 2.5 KiB — 91 ms — h2https://matomo.gwdg.de/matomo.jsmatomo.gwdg.de/matomo.js https://matomo.gwdg.de/matomo.js — 200 — 21.8 KiB — 273 ms — h2https://uni-goettingen.de/css/offcanvas.css/css/offcanvas.css https://uni-goettingen.de/css/offcanvas.css — 200 — 3.5 KiB — 92 ms — h2https://uni-goettingen.de/js/jquery/jquery.offcanvas.js/js/jquery/jquery.offcanvas.js https://uni-goettingen.de/js/jquery/jquery.offcanvas.js — 200 — 5.8 KiB — 126 ms — h2https://uni-goettingen.de/img/redesign/logo.svg/img/redesign/logo.svg https://uni-goettingen.de/img/redesign/logo.svg — 200 — 6.5 KiB — 126 ms — h2https://uni-goettingen.de/img/redesign/print-logo.svg/img/redesign/print-logo.svg https://uni-goettingen.de/img/redesign/print-logo.svg — 200 — 8.7 KiB — 125 ms — h2https://uni-goettingen.de/css/carousel.css/css/carousel.css https://uni-goettingen.de/css/carousel.css — 200 — 1.9 KiB — 40 ms — h2https://uni-goettingen.de/resources/slick/slick.min.js/resources/slick/slick.min.js https://uni-goettingen.de/resources/slick/slick.min.js — 200 — 12.2 KiB — 41 ms — h2https://www.uni-goettingen.de/storage/pictures/180347.pngwww.uni-goettingen.de/storage/pictu... https://www.uni-goettingen.de/storage/pictures/180347.png — 200 — 464.5 KiB — 121 ms — h2https://www.uni-goettingen.de/storage/pictures/180994.pngwww.uni-goettingen.de/storage/pictu... https://www.uni-goettingen.de/storage/pictures/180994.png — 200 — 218.5 KiB — 84 ms — h2https://www.uni-goettingen.de/storage/pictures/180345.pngwww.uni-goettingen.de/storage/pictu... https://www.uni-goettingen.de/storage/pictures/180345.png — 200 — 201.5 KiB — 44 ms — h2https://uni-goettingen.de/img/redesign/favicons/manifest.json/img/redesign/favicons/manifest.jso... https://uni-goettingen.de/img/redesign/favicons/manifest.json — 200 — 582 B — 122 ms — h2https://uni-goettingen.de/storage/pictures/174553.jpg/storage/pictures/174553.jpg https://uni-goettingen.de/storage/pictures/174553.jpg — 200 — 645.5 KiB — 67 ms — h2https://prins.uni-goettingen.de/files/bilder/pic_df44b9274b20260422150715.jpgprins.uni-goettingen.de/files/bilde... https://prins.uni-goettingen.de/files/bilder/pic_df44b9274b20260422150715.jpg — 200 — 14.4 KiB — 274 ms — http/1.1https://prins.uni-goettingen.de/files/bilder/pic_26a3230f6620260417102444.jpgprins.uni-goettingen.de/files/bilde... https://prins.uni-goettingen.de/files/bilder/pic_26a3230f6620260417102444.jpg — 200 — 474.0 KiB — 436 ms — http/1.1https://prins.uni-goettingen.de/files/bilder/pic_dc12ec300720260421104624.jpgprins.uni-goettingen.de/files/bilde... https://prins.uni-goettingen.de/files/bilder/pic_dc12ec300720260421104624.jpg — 200 — 46.5 KiB — 319 ms — http/1.1https://prins.uni-goettingen.de/files/bilder/pic_08e00e47a020260420095435.jpgprins.uni-goettingen.de/files/bilde... 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0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 4.0 s LCP 12.6 shttps://uni-goettingen.de// https://uni-goettingen.de/ — 200 — 20.7 KiB — 345 ms — h2https://uni-goettingen.de/resources/bootstrap/css/bootstrap.min.css/resources/bootstrap/css/bootstrap.... https://uni-goettingen.de/resources/bootstrap/css/bootstrap.min.css — 200 — 23.6 KiB — 47 ms — h2https://uni-goettingen.de/resources/font-awesome/css/all.min.css/resources/font-awesome/css/all.min... https://uni-goettingen.de/resources/font-awesome/css/all.min.css — 200 — 14.4 KiB — 86 ms — h2https://uni-goettingen.de/resources/fancybox/jquery.fancybox.min.css/resources/fancybox/jquery.fancybox... https://uni-goettingen.de/resources/fancybox/jquery.fancybox.min.css — 200 — 3.6 KiB — 87 ms — h2https://uni-goettingen.de/css/default.css?v=1/css/default.css?v=1 https://uni-goettingen.de/css/default.css?v=1 — 200 — 6.8 KiB — 88 ms — h2https://uni-goettingen.de/css/chatAI.css/css/chatAI.css https://uni-goettingen.de/css/chatAI.css — 200 — 1.5 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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
37% of JavaScript execution is third-party
First-party Third-party 323ms · 0KB · €4/mo
Unattributable
Other
Costly
Execution 323ms
Transfer 0 KB
Monthly Cost €4/mo

These scripts may cost more than they're worth

  • Unattributable adds 323ms and costs ~€4/month

Unattributable takes 323ms 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

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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