The switch to storing data in SQLite databases has caused a problem for Firefox users who use the web browser heavily. The databases grow over time and reduce the startup time and responsiveness of the web browser due to fragmentation. This can be largely attributed to the fact that Firefox will not optimize the databases [...]
Optimize SQLite Databases In Firefox
The Mozilla Firefox development team has changed the way the web browser is storing information to SQLite databases in Firefox 3. Cookies, Bookmarks, RSS feeds and many other information are now stored in SQLite databases that are stored in the Firefox profile. A problem that can arise is that the databases can get fragmented over [...]

