Microsoft said that Bing “has already started sharing URLs from IndexNow with Yandex and vice-versa, with other search engines closely following suit in setting up the required infrastructure.” ...

What is the deal with the Yandex ranking factors data leak? Learn more about what it means for ranking factors and how search engines work.

The Yandex leak surely offers a lot of information to SEO professionals about how a world-class search engine actually works, even though security implications should not be that interesting.