Their post notes that for non-English indices, this change impacts 6-9% of queries (vs. the 12% the original US English launch). This launch also includes a few minor changes to the English version of Panda, but shouldn’t have a substantial impact. In their post, they say: For many months, we’ve been focused on trying to return high-quality sites to users. Earlier this year, we rolled out our “Panda” change for searches in English around the world. Today we’re continuing that effort by rolling out our algorithmic search improvements in different languages. Our scientific evaluation data show that this change improves our search quality across the board, and the response to Panda from users has been very positive. Get the full story at Search Engine Land