Validation supports usability & SEO

Valid code for both markup (e.g., HTML, XHTML, etc.) and CSS is a basic necessity not only to ensure that browsers are able to display a working webpage (users typically don’t hang-around broken pages for too long), but also to make it easy for Search Engines to understand what your site is all about.

It is surprising then, that one of the most common issues that we’re Read the rest of this entry »