Fasterfox is one of the must-have Firefox extensions. Download this add-on for a better and faster Firefox 3. There is no available Fasterfox version compatible to Firefox 3 in the official Firefox add-ons site. So I searched the web and got one that works.

For security purposes, I tested the add-on myself and found out that it is safe and effective.
Download Fasterfox for Firefox 3
Installation:
- Open Firefox 3
- Go to Tools > Add-ons
- Drag and drop the Fasterfox file in the Add-ons box.
- Restart Firefox and you're done.
<em:minVersion>1.5</em:minVersion>The maximum version is now "5.0.0.*", which means that even if Firefox already has version 5.0 or higher, Fasterfox will still run on it.
<em:maxVersion>5.0.0.*</em:maxVersion>
For bloggers and webmasters, Fasterfox is an essential extension that can determine page load time. Ordinary users, on the other hand, can take advantage of its Firefox 3 tweaking capabilities.