Yahoo acquired web analytics company IndexTools April this year and now has re-branded the service as Yahoo! Web Analytics expanding it out to more new users, The powerful enterprise site analytics service is already available to advertisers working with Yahoo enabling them to visualize key performance indicators in an easy to use fashion.

Unlike many other similar web-analytics services which take 24-48 hours to process data and present reports after data-collection (read Google Urchin), Yahoo Web Analytic provides near real-time data-analysis of visitors experience on your website, allowing you to watch new ad-campaign performance and make quick changes to optimize your budget.

ClickTale is an innovative, advanced visitor tracking and web-analytics service, Unlike traditional web analytics, ClickTale provides webmasters with movies of visitor interaction on their webpages aggregating thousands of user browsing-sessions into meaningful reports and heatmaps of user behavior, empowering them to perform in-depth website usability testing and optimization.

The free hosted service allows webmasters to embed a small javascript code like every other web-analytic service and see how exactly visitors browsed their webpages, where they spent most of their time on the page, what they clicked, and what they skipped.