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"The Yahoo Search Japan blog announced they are updating their index now.  Perhaps this is a sign that Yahoo in the US will update soon as well.  I am pretty sure that both indexes are mostly separate for the most part, I am not sure if it works the same way at Google, but I think it does at Yahoo.A WebmasterWorld thread has a single post about the update.  One person who tracks Yahoo Search Japan said \"we're experiencing big move on SERP.\"The translated announcement reads:Yahoo! In search, Yahoo! Inc. UEBUSACHIENJIN has developed the \"Yahoo! Search Technology (YST)\" has upgraded the search algorithm.Recently we reported Index Update, unlike a significant upgrade and will affect the behavior of search engine algorithms.The last US Yahoo Search update we reported was a while ago in March 2009.Forum discussion at WebmasterWorld."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/020063.html>