Load scripts like images. Use HTML5 and CSS3 safely. Target CSS for different screens, paths, states and browsers. Make it the only script in your HEAD. A concise solution to universal issues.

http://headjs.com/

The Exceptional Performance team has identified a number of best practices for making web pages fast. The list includes 35 best practices divided into 7 categories.

http://developer.yahoo.com/performance/rules.html

GooParser – A Google scraper online tool that shows how our system works, we parse Google results and obtain a list of clean URLs

http://goohackle.com/tools/google-parser/