The short Yahoo blog post reads:
With the completion of algorithmic transition to Bing, Yahoo! Search has merged Site Explorer into Bing Webmaster Tools. Webmasters should now be using the Bing Webmaster Tools to ensure that their websites continue to get high quality organic search traffic from Bing and Yahoo!. Site Explorer services will not be available from November 21, 2011.
Bing Webmaster Tools – as Google Webmaster Central does — will provide linkage data about a site that has been claimed within their systems. But neither provides information about sites beyond those that a publisher owns (see Bing Webmaster Tools Launches New Link Reports; Google Webmaster Tools Changes Theirs for more about these tools).
For years, Google has deliberately suppressed reporting all the links. This means with the loss of Yahoo Site Explorer, there is no tool from any major search engine that will show all the links pointing at any site on the web.
Postscript From Danny Sullivan: Now Yahoo Site Explorer has officially closed, with this page left:
Yahoo leaves some related links to its other services at the bottom, most of which make some sense in relation to the original audience of Yahoo Site Explorer. However, “Web Hosting” — which the arrow points to — kind of stands out.
Yahoo offers web hosting as part of its Yahoo Small Business area, which also offers things like domain registration and online stores. Why not point to the entire small business area, then?
My guess is that someone had the bright idea that all those links pointing to Yahoo Site Explorer over the years should be used to channel some potential traffic and ranking boost to the web hosting area. It’s not even identified as “Yahoo Web Hosting.”
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