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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 address bar I sometimes has to wait for each character to render (cpu load is 100% in the case). Also general slowness.
Is there something like Firefox Addons Profiler which shows CPU and memory usage per add-on and per page?
P.S. Already issued find ~/.mozilla/firefox -iname "*.sqlite" -exec sqlite3 {} "VACUUM; REINDEX;" \;
, but with little effect.
The slowdown you're experiencing when you start typing in the address bar is simply a symptom of having too many history entries. If they're not really important to you, just clear them all. – Hello71 – 2010-07-09T02:09:58.937