Some good tools and techniques listed over one Tools for Auditing CSS.
Check out commandlinefu.com! “commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.”
This on r/programming today: Font size is useless; let’s fix it. Interesting article, but I didn’t read it closely.