Below are listed some great tools that can help you achieve better loading speed of your website and some additional resources to read more about this subject. So lets get to work.
This one mainly works like a validator, but tells you more about each error you have. Although it has quite a few errors, 1stwebdesigner.com got a general loading time of 1.88 seconds, which is very good according to the standards, which say that a page should load within a maximum of four seconds.
7. YUI Compressor