News from the Yahoo Blog: Yahoo Siteexplorer is shutting down its services starting from November 21, 2011.

SiteExplorer has been a favorite back links checking tool for many webmasters.

With the merger of Yahoo and Bing, many of Yahoo services are migrating to the Bing platform.

This includes search engine algorithm and many other webmaster services.

Yahoo SiteExplorer is an affected service. Many users have reported that they are going to miss this useful tool.

Back links popularity can be checked with Yahoo SiteExplorer without any registration. The information is freely available.

Webmasters must now depend on Google Webmasters or Bing Webmasters to check the link popularity of their websites.