Choose from thousands of extra features and styles to make Firefox your own.Close
|User since||October 8, 2007|
|Number of add-ons developed||0 add-ons|
|Average rating of developer's add-ons||Not yet rated|
This is incredible. At first I thought it was not working right on pages that had been checked with W3C. But then I realized it was finding errors that W3C missed! Thanks guys.