Discovered Pages
[Discover] Things to do with the WWW - by Alan Flawell http://web.archive.org/web/20051214083152/ppewww.ph.gla.ac.uk/~flavell/www/
(validation tutorials charsets) 
[Discover] The Content-type Saga http://ppewww.ph.gla.ac.uk/~flavell/www/content-type.html (css content browser)