“CSS Lint points out problems with your CSS code. It does basic syntax checking as well as applying a set of rules to the code that look for problematic patterns or signs of inefficiency.”

“Can I Use provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.”

“The open Web presents incredible opportunities for developers. To take full advantage of these technologies, you need to know how to use them. Here you’ll find links to our Web technology documentation.”

“We create simplified and interactive learning experiences. Learning web development should be easy to understand and available for everyone, everywhere. W3Schools is a school for web developers, covering all the aspects of web development.”

“We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it possible for ChatGPT to answer followup questions, admit its mistakes, challenge incorrect premises, and reject inappropriate requests.”