Everyone's heard email templates are hard. But why? You've received pretty emails yourself and they worked!

Incredibly insightful overview article on designing responsive emails with tons of links to more good stuff.

A book covering all features of modern JavaScript?
A book you can read cover to cover AND use as a reference?
A book that doesn't explain yet again what arrays are for, but focuses on the stuff programmers actually need?

I'll take two please - one in an HTML and one in a PDF format.

If your excuse for not learning CSS is that there isn't a good podcast about it - better find another excuse. Or go listen to hilarious Una and Adam while you make your sandwich.

Save bandwidth. Save costs. Save icebergs. Serve properly sized images for all those different screens and improve your performance.

Want to know how to optimize your JavaScript-powered website to be search-friendly? Understand better how JavaScript influences SEO?

No one explains it better than this friendly internet fairy in the official series on the topic from Google Webmasters.