Do you buy links from popular Yandex link sellers? Then you’ve probably been affected by the so called Yandex penalty. It’s been a popular discussion lately that Yandex has penalized a lot of link sellers to fight link spammers to manipulate their search results similar to what Google did.
As part of their AGS penalty algorithm, these so called link seller’s websites were penalized through their TIC score which is similar to Google’s Pagerank. The move affected sevral hundereds of websites including large sites.