I was the beta tester of serpmarker, i witnessed lot of improvements made during beta
testing in UI and performance.
With this tool you can track keyword rankings for your website/url in google, yahoo and bing, also
you can keyword ranking for your youtube video in youtube.
In this cloud based tool you can track the PA/DA/CF/TF/Alexa rank/Social signals count for your
website in one place. Also, you will get keywords monthly search count, cpc, seo competition for
each and every keyword you are tracking. These features are not available in most of the keyword
tracking tools. Everyone has to try it! Recommended!