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https://wikileaks.org

Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
90
GRADE
A
FIX
1
REVIEW
2
PASS
10
INFO
1

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.
76
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.
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.

273 ms

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

473 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.

0.003

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

273 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.

473 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
14
10 PASS 2 REVIEW 1 FIX
D
Page Weight Budget
Action
2.4 MB transferred, 24 requests
FIX
2.4 MB transferred, 24 requests
Info::
Page weighs 2.5 MB (2.4 MB transferred)
Warning::
Images are 2.3 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 2.3 MB
Info::
24 HTTP requests
Info::
Estimated 0.50 g CO2 per page load
2.4 MB / 2.4 MB budget
2.4 MB transferred
24 requests
0.50 g CO2 per page load
Images 2.3 MiB 99%
CSS 20.9 KiB 1%
HTML 10.2 KiB 0%
Other 1.6 KiB 0%
0 2.4 MB 4.9 MB
Approaching limit

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

C
Image Optimization
Action
17 images, 0 KB saveable
REVIEW
17 images, 0 KB saveable
Warning::
https://wikileaks.org/static/img/fb-logo.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://wikileaks.org/static/img/twitter-logo.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
17 images 2.3 MB
0 oversized -0 KB
17 legacy format
2 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

C
Page Weight Inventory
Action
24 resources · 2.4 MB · 0 KB savings available
REVIEW
24 resources · 2.4 MB · 0 KB savings available
Warning::
Page weight 1.4 MB over 1MB target
Got: 2.4 MB Expected: ≤ 1 MB
Info::
3 resources over 200KB
24 resources · 2.4 MiB · 0 third-party 1.4 MiB over 1MB target
Image 99% · 2.3 MiB
CSS 1% · 20.9 KiB
Document 0% · 10.2 KiB
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+
JS Execution Cost
68ms total JS execution
PASS
68ms total JS execution
Info::
https://wikileaks.org/: 68ms CPU time

Main Thread Breakdown

Other 68% Style & Layout 22% Parse HTML & CSS 4% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://wikileaks.org/68ms1ms0ms1st
A+
Font Loading
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
A+
JS Bundles
No JavaScript
PASS
No JavaScript
Info::
No JavaScript bundles
No JavaScript files loaded.
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+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Scaleway

A
HTTP Caching
max-age=1200 (20 minutes)
PASS
max-age=1200 (20 minutes)
Info::
Cache-Control header is set
Got: public, max-age=1200
Info::
Effective TTL: 20 minutes (max-age=1200)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

public, max-age=1200

DirectiveValueMeaning
public—Any cache may store this response
max-age1200Cache for 20 minutes
Effective TTL: 1200 seconds
Network Waterfall
24 requests over 259ms
INFO
0 ms 200 ms 400 ms FCP 273 ms LCP 473 mshttps://wikileaks.org// https://wikileaks.org/ — 200 — 10.2 KiB — 74 ms — h2https://wikileaks.org/bootstrap/css/submit.css/bootstrap/css/submit.css https://wikileaks.org/bootstrap/css/submit.css — 200 — 799 B — 21 ms — h2https://wikileaks.org/static/css/styles.css/static/css/styles.css https://wikileaks.org/static/css/styles.css — 200 — 9.1 KiB — 24 ms — h2https://wikileaks.org/static/css/styles_topnav.css/static/css/styles_topnav.css https://wikileaks.org/static/css/styles_topnav.css — 200 — 8.6 KiB — 27 ms — h2https://wikileaks.org/static/css/styles_sidenav.css/static/css/styles_sidenav.css https://wikileaks.org/static/css/styles_sidenav.css — 200 — 676 B — 28 ms — h2https://wikileaks.org/static/img/fb-logo.png/static/img/fb-logo.png https://wikileaks.org/static/img/fb-logo.png — 200 — 1.1 KiB — 28 ms — h2https://wikileaks.org/static/img/twitter-logo.png/static/img/twitter-logo.png https://wikileaks.org/static/img/twitter-logo.png — 200 — 2.4 KiB — 28 ms — h2https://wikileaks.org/IMG/arton717.png/IMG/arton717.png https://wikileaks.org/IMG/arton717.png — 200 — 42.4 KiB — 39 ms — h2https://wikileaks.org/IMG/arton716.jpg/IMG/arton716.jpg https://wikileaks.org/IMG/arton716.jpg — 200 — 1.5 MiB — 146 ms — h2https://wikileaks.org/IMG/arton715.png/IMG/arton715.png https://wikileaks.org/IMG/arton715.png — 200 — 139.5 KiB — 98 ms — h2https://wikileaks.org/static/css/styles_footer.css/static/css/styles_footer.css https://wikileaks.org/static/css/styles_footer.css — 200 — 1.7 KiB — 82 ms — h2https://wikileaks.org/IMG/rubon33.png/IMG/rubon33.png https://wikileaks.org/IMG/rubon33.png — 200 — 17.1 KiB — 82 ms — h2https://wikileaks.org/IMG/arton706.jpg/IMG/arton706.jpg https://wikileaks.org/IMG/arton706.jpg — 200 — 77.0 KiB — 98 ms — h2https://wikileaks.org/IMG/arton704.png/IMG/arton704.png https://wikileaks.org/IMG/arton704.png — 200 — 208.0 KiB — 116 ms — h2https://wikileaks.org/IMG/arton703.png/IMG/arton703.png https://wikileaks.org/IMG/arton703.png — 200 — 247.7 KiB — 131 ms — h2https://wikileaks.org/IMG/arton666.png/IMG/arton666.png https://wikileaks.org/IMG/arton666.png — 200 — 17.1 KiB — 104 ms — h2https://wikileaks.org/IMG/arton401.png/IMG/arton401.png https://wikileaks.org/IMG/arton401.png — 200 — 16.6 KiB — 105 ms — h2https://wikileaks.org/IMG/arton405.png/IMG/arton405.png https://wikileaks.org/IMG/arton405.png — 200 — 33.0 KiB — 105 ms — h2https://wikileaks.org/IMG/arton404.png/IMG/arton404.png https://wikileaks.org/IMG/arton404.png — 200 — 9.7 KiB — 104 ms — h2https://wikileaks.org/IMG/arton403.png/IMG/arton403.png https://wikileaks.org/IMG/arton403.png — 200 — 13.2 KiB — 104 ms — h2https://wikileaks.org/static/img/wl-logo.png/static/img/wl-logo.png https://wikileaks.org/static/img/wl-logo.png — 200 — 44.5 KiB — 83 ms — h2https://wikileaks.org/static/img/magnifier-green.png/static/img/magnifier-green.png https://wikileaks.org/static/img/magnifier-green.png — 200 — 1.6 KiB — 83 ms — h2https://wikileaks.org/static/img/arrow-up.png/static/img/arrow-up.png https://wikileaks.org/static/img/arrow-up.png — 200 — 592 B — 20 ms — h2https://wikileaks.org/IMG/favicon.ico/IMG/favicon.ico https://wikileaks.org/IMG/favicon.ico — 200 — 1.6 KiB — 20 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
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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