Yandex is the leader search engine in Russia and has a market share of more than 60% of Internet users. It also operates in other countries such as Ukraine, Kazakhstan, Byelorussia and Turkey.
The search engine is also main Google’s competitor, who owns between 25% and 50% of market share in those markets. Yandex cannot be ignored and it is key for key verticals like Luxury and Travel, for instance
Besides search, and similar to the Google Display network, Yandex advertising allows to show online ads in thousands of high quality websites and reach an internet audience over 90 million users in Russia