HTML with Superpowers
An Introduction to Web Components by Dave Rupert
Fluidity
Humans TXT: We Are People, Not Machines.
We Are People, Not Machines
Complete List of HTML Meta Tags | Lance Pollard
A handy list to have somewhere
45 jQuery Plugins And Tutorials To Enhance Your Forms
Don’t use IDs in CSS selectors?
There's more to HTML escaping than &, , and "
There's more to HTML escaping than &, , and " via @Ziteapp
Snoopy | View-source bookmarklet for iPad, iPhone and other mobile devices
Super handy
HTML5Rocks - Best Practices for a Faster Web App with HTML5
Google's tips and playground