Use this handy, simplified guide to quickly learn HTML and CSS -- a foundation of modern web development.

If you use external CSS files to design and determine the design attributes; the HTML code will be clean and it will result to better search engine rankings.

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

Now [Andy Green] has extended the possibilities with affordable silicon, by producing a proof-of-concept HTML + CSS renderer over h2 on ESP32 for libwebsockets.

Back in 2012, Mozilla launched Thimble, an online code editor for teaching the basics of HTML, CSS and JavaScript. Over time, though, things got pretty quiet around the project as other browser ...