Google's John Mueller advises using semantic HTML. Though not a ranking factor, it helps search engines understand content and boosts accessibility. Semantic HTML gives meaning and structure to web ...
Semantic Checker is a new and still experimental Firefox addon (download it here) highlighting semantic elements in the web page you are currently viewing. The tool should be used for on-page analysis ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results