Most top-ranking websites fail HTML validation. Google explains why perfect code isn’t required, and what matters instead. Many top websites have invalid homepage HTML, yet still rank well ...

Google says images styled with CSS won’t be indexed in Image Search, advising developers to use HTML tags for important ...

Google's John Mueller said that he does not believe that the new content-visibility CSS that modern Chrome browsers support won't impact Google Search. It may impact the speed of your pages, that ...