Rage Software has released Rage SERank 2.1 (http://www.ragesw.com/products/search-engine-rank.html), an update of the US$79.95 Mac OS X search engine rank checker for web site owners to track and monitor their search engine rankings.

The upgrade adds the ability to check multiple web sites at a time, provides more options for safe search engine rank checks and adds new search engine scripts so you can check your rankings in even more search engines.

Rage SERank will monitor search engine rankings for any number of keywords and display changes in a website’s search engine rankings over any point in time. It requires Mac OS X 10.5 or later. Version 2.1 is a free update for registered users of version 2.0.