Enable First Party Isolation Pref
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Frederik Braun
Frederik Braun Missing curly?
Latest commit a656662 Oct 29, 2018

README.md

webext-firstpartyisolation

This add-on enables First Party isolation. Clicking the Fishbowl icon or removing the add-on disables it again.

What is First Party Isolation

First Party Isolation, also known as Cross-Origin Identifier Unlinkability is a concept from the Tor Browser. The idea is to key every source of browser identification with the domain in the URL bar (the first party). This makes all access to identifiers distinct between usage in the website itself and through third-party. Think of it as blocking Third-party cookies, but more exhaustively. Here are Firefox's implementation details about First Party Isolation

Installation

Install on addons.mozilla.org

What's up with the fishbowl icon?

It's hard to come up with an icon that explains First Party Isolation and I liked the fishbowl.