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How to investigate why my firefox is so slow?

Fresh5 days ago
Mar 15, 2026533 views
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Problem

My Firefox v3.5.2 has loads of extensions (48 total, 33 enabled), also considerable database of visited pages and in general rather old profile. Flash is disabled by NoScript, so this is not an issue. How to profile which add-ons slowdown things the most? For example, when I start typing in the add…

Error Output

find ~/.mozilla/firefox -iname "*.sqlite" -exec sqlite3 {} "VACUUM; REINDEX;" \;

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Fix for: How to investigate why my firefox is so slow?

Low Risk

i would install a portable version of firefox and: see how speedy it is without any addons add one extension at a time and see what happens the more "professional" approach would be to trace (vtune, glowcode etc) what firefox really does. but for no…

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