Mozilla Developers Network

The Mozilla Developer Network (MDN) is a comprehensive online resource that provides documentation, tutorials, and tools for web developers. It covers topics like HTML, CSS, JavaScript, and web APIs, helping programmers create, understand, and improve websites and web applications. MDN is maintained by Mozilla, the organization behind the Firefox browser, and is freely accessible to anyone interested in web development. It is widely trusted in the industry for its accurate, up-to-date information and is a valuable reference for both beginners and experienced developers working on the internet's foundational technologies.