The original post: /r/privacy by /u/Bruhmysafe on 2025-04-20 05:54:37.

https://sizeof.cat/post/web-browser-telemetry-2025-edition/

Keep in mind , a browser (or any software) could open a single connection, and funnel every piece of data it can extract fto a remote host which could then be distributed to any number of other hosts/services without your awareness.

SO any connection more than zero can cause data leakage.

Mozilla Firefox: 29

Brave: 17

Ungoogled Chromium: 3

Vivaldi:11

Tor Browser: 0

Opera: 31

Google Chrome: 25

Microsoft Edge : 48

Apple Safari: 6 Note: Safari does some tricks by delegating connections to additional daemons, like parsecd or com.apple.safari.safebrowsing.service.

Yandex Browser: 24

Mullvad Browser: 15

Librewolf: 24

Arc browser: 16

Kagi Orion: 0

Pale Moon: 0

Floorp: 0

Zen browser:  82

Waterfox 21

Thorium: 10