Rated 5 out of 5 stars

yazan: Moe-Zilla tarih: Mayıs 10, 2014 ·

Seems to be working with Firefox 29.0.1. (A different add-on with the same purpose did not seem to be working.)
The Mozilla folks really ought to have included this in the base product.

This review is for a previous version of the add-on (1.0.1.1-signed.1-signed).