YSlow - website optimization from Yahoo

Yahoo has released the " YSlow " extension for the Firebug extension for Firefox, which analyzes web pages and offers optimization tips based on its own research and tests in this area. You can download the plugin and install it, do not forget to install Firebug or read all the tips to Yaha about " Speeding Up Your Web Site " right away. For myself, I found some quite new useful things, which I wish for you.