A recent tweet from Google’s Gary Illyes called attention to problem of invalid HTML. Google is fine with invalid HTML. Less well known is that there are negative outcomes associated with invalid HTML ...

AMP is all about the user experience and fast loading pages. This is done by limiting CSS to 75KB and JavaScript to 150KB, clearing the critical rendering path, and preloading cached content. (You can ...

However, not every browser supports HTML5 as of the date this is posted. So, you should avoid using HTML 5 specific tags until it is universally supported, otherwise you might end up adding alternate ...