Open-source tests of web browser privacy.
DESKTOP BROWSES
DESKTOP PRIVATE MODE
IOS BROWSERS
ANDROID BROWSERS
= Passed privacy test
= Failed privacy test
= No such feature
Desktop
Browser
(default settings)
brave
1.56
chrome
114.0
edge
115.0
firefox
115.0
librewolf
115.0
mullvad
12.5
opera
100.0
safari
16.5
tor
12.5
ungoogled
114.0
vivaldi
6.1
Navigation tests
Which browsers prevent websites from sharing tracking data when you click on a link?
document.referrer
sessionStorage
window.name
HTTPS tests
Which browsers use encrypted network connections whenever possible?
Insecure website
Upgradable address
Upgradable hyperlink
Upgradable image
Upgradable script
Cross-session first-party tracking tests
Which browsers prevent websites from tracking you across browser sessions?
Alt-Svc
CacheStorage
cookie (HTTP)
cookie (JS)
CookieStore
CSS cache
favicon cache
fetch cache
font cache
iframe cache
image cache
indexedDB
localStorage
prefetch cache
Web SQL Database
XMLHttpRequest cache