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Firefox loads pages much slower than Chrome

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New Contributor

Firefox loads pages much slower than Chrome

Recently switched back to using Firefox as I wasn't finding the extensions I like for Chrome only to discover that Firefox is running significantly slower by comparison. Tried uninstalling/reinstalling and it hasn't helped.

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Site Moderator

Re: Firefox loads pages much slower than Chrome

A possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.

Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.

See:


Create a new profile as a test to check if your current profile is causing the problems.

See "Creating a profile":

There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.

If the new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.