Semantic Checker 0.8.1 Nico Steiner    

Semantic Checker is a Firefox Extension highlighting semantic elements in your document. In the current version Semantic Checker highlights the following elements. Semantic HTML4 elements abbr, acronym h1-h6, caption blockquote, cite dl, ... menu em, strong code, dfn, address, legend, samp Semantic HTML5 elements article, aside, header, footer, nav, .... Free download of Semantic Checker 0.8.1