HTML provides the structure, content and layout, CSS adds style and design, and JavaScript adds functionality and interactivity.

If you want to master HTML, CSS and JavaScript, this is the best course for beginners. It teaches the fundamentals of web design and development, focusing on front-end technologies.

Whatever your reasons, it’s never been easier to start learning how to build websites from scratch than with help from HTML, CSS, & JavaScript All-in-One For Dummies.

jsFiddle lets developers play with the three core elements of Web development. Check out this powerful application for rapid prototyping and testing.

DeepTrawl is a Windows freeware that will help find broken links, validate HTML & CSS, check spellings on your website or blog and more!