YSlow analyzes web pages and why they’re slow based on Yahoo!’s rules for high performance web sites
Yahoo YSlow
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
Download Link:
http://yslow.org is the official open source website.
admin –
Great tool. Follow the ‘rules’ for front-end optimization of your website. It grades you site from A to F in different areas and tells you where you need to improve and how.