The Free Link Popularity Checker enables you to check your domain names for their link popularity in any search engine that you desire, among them Alexa Rank, AllTheWeb, AltaVista, Google, HotBot, Msn, Overture and Yahoo. In addition it also checks the Google PageRank for each domain name. For market research purposes, you can also view the sites that may be referring traffic to you and find out what websites your competitors are linking too. The link popularity checker is extremely feature rich in that it provides export functionalities (i.e. to CSV Excel format, XML and to your email address), the ability to sort the results by any search engine or column, a historization of data over time with graphs, and the live display of the results as they are gathered from the sources. In addition, the link popularity checker features a simple, yet robust, administration panel where you can easily add new search engines, and modify and remove existing ones.