Avoid data trails on the internet: Mozilla Firefox
You may do settings for firefox manually or use a plugin.
Manually
Open Options in Menu Tools.
- Cookies
Choose Tab Privacy and activate Allow sites to set Cookies. At Keep Cookies:, choose the option until I close Firefox from the drop-down menu. This way you won't have trouble with any sites since you accept them all, but you cannot be tracked.
- Java & JavaScript
Choose Tab Content. Unselect Enable Java and Enable JavaScript.
Plugin: Using PrefBar
If you want to use PrefBar to manage these settings comfortably, please read this this guide.
Note: These are basic settings. Using a filter proxy will offer more options for blocking content.
Cookie Culler is a plugin which allows deletion of unwanted cookies while keeping wanted cookies.
Test: Test these settings for anonymity using this guide.