407
Google confirms the leaked Search documents are real
(www.theverge.com)
This is a most excellent place for technology news and articles.
This one https://ipullrank.com/google-algo-leak
And this
https://sparktoro.com/blog/an-anonymous-source-shared-thousands-of-leaked-google-search-api-documents-with-me-everyone-in-seo-should-see-them/