From Yahoo official blog press release, one of their great tool " Yahoo Site Explorer" already completely closed. From November 21, 2011, this product got it's life cycle and related API will be shutdown too. The Yahoo site explorer is merged into " Bing Webmaster Tools" which is co-operation result ...
There are three tools I use for most of my backlink checking, Yahoo Site Explorer, Open Site Explorer, and Google Webmaster Tools. For readers that have been backlink checking for a number of years, it might be surprising to find Google Webmaster Tools on this list. In the past, Google Webmaster Too ...
