YandexBot is a bot for website Yandex. Yandex is one of the biggest search engines on the internet and is the main search engine for Russian speaking countries. YandexBot is its spider: The robot, or crawler, stores lists of URLs that it can index, and downloads the respective documents regularly. If during the document analysis the robot discovers a new link, it adds it to the list. Thus, any document or site that has links pointing to it may be found by the robot, i.e. discovered by Yandex search. Being crawled by Yandexbot is important for a (Russian) website, since so many web users use Yandex. Yandexbot will periodically revisit crawled domains.
The Internet of Bots has evaluated YandexBot against 50 different checkpoints, of which 46 have been confirmed as being positive. These checkpoints evaluate the transparency and occurrence of a bot and don´t necessarily say something about its quality. The BotRank is calculated as [46*2=] 92%. The details of the bot and the BotRank can be seen below. For more information on how the BotRank is made, you can visit the page Botrank.