Whats this?
"IndexNow is an easy way for websites owners to instantly inform search engines and web crawlers used for information retrieval (“search engines”) about latest content changes on their website. In its simplest form, IndexNow is a simple ping so that search engines know that a URL and its content has been added, updated, or deleted, allowing search engines to quickly reflect this change in their search results."
Currently supports: Microsoft Bing, Naver, Seznam.cz, Yandex, Yep

Website: https://www.indexnow.org/index