Most of the SEO Professionals needs to send number of SEO proposals to 
new clients often. Also, they would like to have quick analysis on each 
website before sending the proposal. Following are top 3 free online 
tools which will help you while doing website analysis.
http://www.seodailyupdates.com/2012/03/free-seo-tools-for-website-analysis.html
- woorank
 - Site Trail
 - Hubspot's Marketing Grader
 
http://www.seodailyupdates.com/2012/03/free-seo-tools-for-website-analysis.html