It's always beneficial to have a proper knowledge about the visitors, and to keep track about the various stuff related to the visitors, like potential visitors, loyal visitors, demographic factors, time spent, bounced back and much more. Below I had provided some list of tracking tools as per their usage and success over keeping the track of the visitors. Do, comment if you feel that something I had missed! Some Useful Links Related Posts SEO vs SEM Crawling vs Indexing A/B Testing vs Multivariate Testing Google's Search Engine Starter Guide Promote your site by organic methods, i.e., White Hat SEO Techniques Don't get your site penalized for using Black Hat SEO Techniques Cool advantages of SEO for your website and business Most Read/Viewed SEO Articles Google - Customize your Search Results Internet's Best Website Directory List Internet's Best RSS Directories Internet's Best Blog Directories How to promote your business using the Web 2.0 Techniques? Numbered...