Glossary
/// Definition
IndexNow
IndexNow is a push-notification protocol that lets sites instantly notify Microsoft Bing, Yandex and other engines about URL changes.
In depth
IndexNow is an open protocol supported by Microsoft Bing, Yandex, Seznam.cz, Naver and Yep. Sites publish a key file and POST a list of changed URLs; participating engines pull and index the changes in near real-time.