[Bug 66350] Re: Firefox uses high CPU for extended periods of time when spawning a new window with many tabs already open

[koudy]

I had similar problems with the browser and it was caused by Javascript
due to its high memory requirements (I have only 512 MB of RAM). I have
installed Adblock plugin and it solved the problems. This plugin
switches off Javascript by default and only for specified pages the
Javascript can be enabled.

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Firefox uses high CPU for extended periods of time when spawning a new window with many tabs already open
https://bugs.launchpad.net/bugs/66350
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