Restrict to Domain
What is Restrict to Domain?
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Add-on summary
Restrict to Domain is a lite Firefox addon that let you easily restrict the access of cookies, cache and other data to the domain level (this is called First-Party Isolation).
First-Party Isolation is a new privacy feature that is implemented in Firefox and intend to restrict accessing cookies, cache, and other data to only the top domain. This feature can potential increases your privacy while browsing the internet.
This addon has only a toolbar button which serves as ON|OFF switch. By default, the addon is active, in other words, First-Party Isolation is ON. If you do not want the isolation, please press on the toolbar button once to make it inactive.
Note 1: this addon is only working for Firefox 58+. This is because "First-Party Isolation" API is only available in Firefox version 58 and above.
Note 2: in order to report bugs or request a feature for this addon, please fill the bug report form in the addon's homepage.
Add-on safety
Risk impact
Restrict to Domain requires very minimum permissions.
Risk likelihood
Restrict to Domain has earned a fairly good reputation and likely can be trusted.