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.

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 ...

We say that Tim Berners-Lee invented the World Wide Web, and that's certainly true. But, we can boil the Web down to three specific technologies: URLs (for uniquely identifying resources on the ...

Take advantage of automatic model state validation in ASP.Net Core to avoid tedious manual coding for HTML form validation When we create applications that accept data from users, we must validate ...