Firefox 3.5 is a great browser that gives us huge advantages over many other browsers in the competition, but the fact is that at times can be extremely slow, especially at startup / close.

1. Optimize SQLite database

Since Firefox 3.0 was moved and started to use SQLite to store everything: our favorite records, and others. But not possible without suffering a big drop in performance. The reason? Since Firefox 3.0 can store huge amounts of data (thousands of pages of history, for example).

But like any database it is fragmented, affecting the loading time of Firefox. The good news is that databases can be upgraded and returned to the initial performance using the tweak by WebUpd8.

2. Limiting the History

This trick recommends limiting the number of days that the pages remain in history as well as the number of pages stored in the database.

Very Few people know that there are additional settings in the about:config dialog that make it possible to change the hard limit and the maximum days a website is kept in the history.

To speed up Firefox by limiting the history, Follow the procedure by gHacks.

3. Cleaning out certain folder locations

Firefox 3.5 pulls data from certain file locations for randomized security purposes. So, This trick from the home of Mozilla recommends cleaning out folders to which slows down Firefox 3.5’s data generation processes.

The procedure is different for different operating systems so refer MozillaLinks article to carry out the tweak.

Recommended : Firefox 3.5 Themes

Related : Firefox 3.5 Portable download