Is Blekko the new Yahoo! Site Explorer?

On December 2nd, 2011, wrote:

Yesterday Yahoo! Site Explorer decided to retire from business. It has left many amateur SEOs, and some professional SEOs too, at a bit of a loss. Many SEOs and agencies have been using the back link service in Yahoo! Site Explorer to monitor, analyse, and generally try to copy the link building actions of their competitors. As someone who has been involved in SEO for over 5 years (not so much by choice but by necessity) I have used Yahoo! extensively, and seen my competitors use it against me, too! I manage several sites across various niches, and some of my sites do interlink with each other, wherever a connection really does benefit a reader. I have seen people leave comments on all my blogs, and doing so in the order of Yahoo! backlinks for my main website. SEO Stalkers are gonna have a harder time I have also seen the same people leave comments on other blogs where I – Read the full article