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Issue 81 of PrivacyTests.org is out today!

Issue 79 of PrivacyTests.org is out today!

Browser privacy update More good news! In the latest issue of PrivacyTests.org, we can see that Opera on Desktop has now shipped the State Partitioning protections recently developed and deployed by the Chromium team. These State Partitioning protections keep data from leaking between websites. That makes it harder for trackers to gather your browsing history. Vivaldi Desktop has not yet shipped these protections in Release, but we do see in our testing of preview builds (PrivacyTests.org/nightly) that the protections are enabled in Vivaldi Snapshot, so it seems likely they will be shipped in Release in the near future. On Android, we see major progress as well (PrivacyTests.org/android)! For the first time, we see Chrome and Edge have shipped the same State Partitioning protections! DuckDuckGo, Opera, Vivaldi, and Yandex have not yet done so, however. Still remaining for many browsers is the need to block or partition third-party cookies, and to partition the Blob API and the HSTS cache, on both mobile and desktop. The final retirement of third-party cookie tracking will be a major step forward. (iOS browsers are mostly partitioned already, with a couple of things that still need to be fixed: favicons and the HSTS cache.) Thanks for following along! We'll keep watching browser partitioning behavior as well as a keeping our eyes on a variety of other privacy leaks across browsers! ✅❌

Browser privacy update Now that Firefox Desktop has fixed its Blob leak, the browser is passing all of PrivacyTests.org's State Partitioning (cross-site data leak) tests! And this fix has propagated to LibreWolf as well. Firefox and LibreWolf join Brave, Mullvad, and Tor Browser in having no leaks of data between websites. Firefox's Gecko browser engine thus becomes the first of the three major browser engines (Gecko, WebKit, Chromium) to have a clean bill of health on cross-site data leaks on desktop. Safari is very close -- once its Blob leak is fixed in Release, then WebKit will be fully partitioned as well. The only browser engine left with some cross-site leaks will be Chromium. The Chrome team has been working hard at fixing these leaks, and those fixes have been picked up by Edge in the latest issue of our tests results. We're seeing rapid progress across the ecosystem right now. Congrats to the Firefox team! We're keeping an eye on many privacy categories and we're hoping that progress in plugging the leaks continues for all browsers!✅❌

Issue 73 of PrivacyTests.org is out today!