I came across this site that Does all this for you and much more.Someof the tools listed here can help you find out what u ar e doing right with your site and improve on that and in which areas u need to do more with your site.
Check out all these toolslisted below
Google Banned checker
Website Speed Test
Alexa Traffic Rank
This website does have a bandwith limit so u might be able to use only 2 to 3 features at one time Here is the link >> http://www.iwebtool.com/