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Firefox: optimize the Places database from time to time

In your Firefox profile there's an sqlite database called Places, which after a while starts resembling a swollen Swiss cheese with holes. That might slow your Firefox down.

You can speed your Firefox up a bit, by optimizing (vacuuming) that database: you can namely deflate that swollen Swiss cheese into a compact smaller cheese. As follows:

Type the following in the URL bar of Firefox:


Press Enter.

Almost at the bottom of the page you get to see then, there's a header called Places Database. Click there on the button called Verify Integrity.

You're done! Repeat this on a monthly basis, so that your Firefox won't lose speed again because of a swollen database.

optimize_the_places_database_from_time_to_time.txt · Last modified: 2021/02/21 00:46 (external edit)