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A comment on Site Isolation in Firefox. Parent comment

Re:Site Isolation in Firefox by gourlaysama on Tuesday May 18, 2021 @01:13PM (#27197815)
On Firefox you can go to `about:processes`.

It lists tabs by process, and includes the PID (on Linux; no idea about other platforms). You can also directly kill tabs and processes from there.

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Re:Site Isolation in Firefox by dmos62 on Tuesday May 18, 2021 @04:53PM (#27200942)
That's super useful on a resource strapped system. Wish I knew this earlier.
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Re:Site Isolation in Firefox by nine_k on Tuesday May 18, 2021 @07:23PM (#27202614)
For a resource-constrained machine, uBlock Origin + Auto Tab Discard save a lot of resources and keep a window with 100 tabs quite usable.
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Re:Site Isolation in Firefox by rstuart4133 on Wednesday May 19, 2021 @08:52PM (#27216184)
You should take a look at Firefox's about:about. There are all sorts of goodies in there.

For example, about:compat lists sites they added hard coded work arounds for.

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