Find Out How Your Site is Doing. Find Out How Your SEO is Working.

To find out how (and if) you rank on Google for your keywords (that is, what your position is on the Search Engine Results Pages, or SERPs):

Google Ranking Report

To find out how many backlinks there are to your site (on Yahoo), how many pages you have, and more:

Yahoo Site Explorer

To find a wealth of data on the SEO (Search Engine Optimization) standings of your site:

www.addurl-free.com

Another site which tells you who is linking to your site:

Who Links to Me

Find out Your Page Strength;

Page Strength

To find out the density (percentage) of different keywords on your site:

Free Keyword Density Analyzer Tool

Do you know of more? Let me know! Leave a comment!