Free On site seo software

Is there any software that will grade your on site seo? Ive been using traffic travis but it doesnt seem to work anymore for the pro version

Just get MS or use SEOQuake. Got to your website and click on the info button and the density, diagnosis etc. That should help you figure out some things about your website and what kw's to target. Don't over optimize it for penguin's sake!

SEOquake is a popular and handy analytic seo-tool for Firefox, Chrome and Opera browsers. SEOquake helps to obtain an information about any site for a wide range of parameters such as page rank, Google index, Alexa and many others. Keyword Density tool serves to demonstrate a number of times a keyword or phrase appears on a web page. SEOquake has a parameter that highlights noffolow links.

Other way check out this traffictravis.com/

There are some free websites that will do this as well. Here are a couple:

http://www.metafever.com/free-seo-report
http://www.pearanalytics.com/

I have been looking for one of these too, I used to use this plugin with wordpress called SEO press but it was a paid plugin. I chose not to use that plugin anymore because it tends to lean towards SEO tactics that google considers over optimizing and with the new update out it may be penalized