A concept more than a utility Puntuado con 2 de 5 estrellas

Indeed as others have mentioned, useless IMO.
Try 'Organize Search Engines' ( https://addons.mozilla.org/en-US/firefox/addon/organize-search-engines/ ), a papa add-on but alive and still efficient (FF 3.6 and above) !

Esta valoración es de una versión anterior del complemento (0.1.0.1-signed.1-signed).