HitTail, a product that reveals the real time score of keywords used by searchers to find a particular website, has added HitTail Plus to make way for a premium version of the tool. The tool is significant in doing search engine optimization services. When acted accordingly, the tool can raise the natural search traffic of a given website.

The new features that the premium version is offering include:

Secure keyword RSS feeds for cost-effective long tail paid search campaigns and better ROI
E-mail notifications for new keyword topics for writing suggestions
Compatibility with secure Web pages for e-commerce sites
Ability to visualize the growth of your site's long tail keywords over time
Sitemapping tool that confirms the proper installation of HitTail code on your Web site
Generation of sitemaps for submission to Google and Yahoo

The free version (public beta) will be continued by the company but the HitTail Plus (premium version) will now be offered for a reasonable price($49.95/year).