W3Schools offers coding tutorials and reference guides on HTML and CSS. It’s free, but those who pay $95 can earn an HTML or CSS certificate after passing an online exam.

We list the best HTML online courses, to make it simple and easy to improve your website design and development skills, from beginner to advanced level. HTML and CSS form the basic coding ...

General Assembly has launched a new online service that teaches basic web development for free, in your browser. It's called Dash, and it lets users learn how to use HTML, Javascript, and CSS by ...

A web developer named Alex Giron has created a working model of the solar system using only web standards. It’s fully animated — though Alex takes advantage of some new CSS 3 features (border ...

jsFiddle is the perfect solution; it provides a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code right inside your browser.

It allows you to edit PHP, HTML, CSS and JavaScript files, and it highlights the syntax and provides hints for tags, functions and their parameters. This editor deals with files that contain mixed ...