The best validator plugin Rated 5 out of 5 stars

This is a great plugin. At-a-glance you know when something's valid or not. If it could be updated to work with Firefox 5.0 on OS X that'd be great. Thanks!


Tom at htmlpedia's forum has updated this plugin to work with the Mac OS X version of Firefox 5.0. The forum post can be found here:

And the updated plugin can be downloaded here:

This review is for a previous version of the add-on (  This user has a previous review of this add-on.