Breitbart Website Links to Russian Search Engine

Yandex is a Russian technology company, which operates the largest search engine in Russia, with 65 percent market share. The yandex.ru home page has been ranked the most popular home page in Russia.
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It came to my attention today, thanks to Twitter user @Counterchekist and journalist Christo Grozev, that Breitbart, the white nationalist website Steve Bannon used as a platform to promote Donald Trump, has a Russian search engine in its source code.
Here is what it looks like.

​A plausible explanation would be that news sites commonly link to popular search engines in other countries. However, I searched a number of website, especially right-wing websites, and found no mention of Yandex:

• Daily Caller
• Council of Conservative Citizens
• Federation for American Immigration Reform
• The Guardian
• HeatStreet
• Fox News
• NBC News
• CNN

Even the  English-language Turkish website Hűrriyet Daily News has no connection to Yandex.
Why might the Breitbart website link to a Russian search engine? If you have an idea, please send a message to Reason and Justice.