I Love Typography : I Love Typography, devoted to fonts, typefaces and all things typographical.
Explorer Exposed! : These CSS bugs are all found only in Internet Explorer, versions 5 and higher. To see the demos properly, they must be viewed in IE, of course.
Pro Git : The entire Pro Git book, written by Scott Chacon and published by Apress, is available here
Byte saving techniques : This is a collection of JavaScript wizardry that can shave bytes off of your code.
Sometimes bugs have symptoms beyond belief. This is a collection of such stories from around the web.