33Rockers | 13 Great Firefox Extensions for Web ProfessionalsI am basically a web designer and I use a lot of tools to get my job done. As of today Firefox remains my favorite browser simply because of the vast number of plugins it offers. Well here are some of my favourite plugins for web design and development.. HTML Validator (http://users.skynet.be/mgueury/mozilla/) validates web pages to the W3C HTML standards with a simple green check in the corner of
