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Comment by pmontra | Hacker News Reader

It would be great if it could create automatically one container per domain: every site would be neatly separated from all the other ones. If you logged in Facebook the other tabs for other sites wouldn't know about it. Doing that manually every time is almost impossible.

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There is a feature called First Party Isolation that (I think) does what you want for normal tabs, and can already be enabled through about:config. (initially developed for the Tor Browser Bundle, their description of it is here https://www.torproject.org/projects/torbrowser/design/#ident... )

Thanks for that. Found it and enabled it.

privacy.firstparty.isolate

Beware that privacy.firstparty.isolate might break some sites that depend on third-party services for login authentication or comment systems. If you find any broken sites, you can report them in Bugzilla and mention this Firefox bug:

https://bugzilla.mozilla.org/show_bug.cgi?id=1299996

I use noscript to by default turn off scripts from 3rd party sites (unless whitelisted). It breaks quite a few sites, but it also makes lots of sites load quicker and doesn't load a bunch of advertising/tracking stuff that I don't really want loaded anyway.

I would pay actual money to help get a feature like that into Chromium or Firefox. Hell, if Firefox added that exact feature I might actually rethink my decision to switch to Chrome once they drop support for all the addons I use.

There is an experimental implementation of that feature, called "First Party Isolation", in Firefox today. You just need to set the `privacy.firstparty.isolate` pref = true in about:config.

With this pref enabled, advertiser X will serve you different cookies on site A and B. They won't be able to track your browsing history from site to site. However, this breaks a lot of sites that depend on third-party services for login authentication or comment systems.

Here is the Firefox bug where you can report broken sites:

https://bugzilla.mozilla.org/show_bug.cgi?id=1299996

We are also hard at work supporting add-on authors porting to WebExtension APIs. I'm especially trying to help Privacy & Security add-on authors.

uBlock, NoScript, Self Destructing Cookies. Also DisableWebRTC. Firefox would be Opera, Chrome or Vivaldi without them. No particular reason to use it or a random one among the others. Stylish and Greasemonkey are useful too, when sites insist doing the wrong things. I hope all of them survive the switch. Will they?

You can keep track at https://arewewebextensionsyet.com/#addons

uBlock Origin started as a Chrome extension.

This would actually be implementable with the new WebExtensions for containers https://developer.mozilla.org/en-US/Add-ons/WebExtensions/AP...

Essentially building a new container per origin.

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