Media queries you should know about
Browser support for Javascript API’s – This is a very useful table to see what is supported at the moment
Link to ecmascript feature tables to look up what you can use in Javascript in current browsers.
Transaction patterns for web applications – interesting article with good information.
Must-Have Social Meta Tags for Twitter, Google, Facebook, & More
opendyslexic Font for dyslexic people or anyone in general a good font.
andika nice clear fonts for clean looking text that is easy to read