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An Anonymous Coward writes:

SEO situation on fire: google's weighting parameter list leaked

https://searchengineland.com/google-search-document-leak-ranking-442617 [searchengineland.com]
https://github.com/yoshi-code-bot/elixir-google-api/commit/d7a637f4391b2174a2cf43ee11e6577a204a161e [github.com]

Highlights:

> Change history: Google apparently keeps a copy of every version of every page it has ever indexed. Meaning, Google can “remember” every change ever made to a page. However, Google only uses the last 20 changes of a URL when analyzing links.

> Google stores author information associated with content and tries to determine whether an entity is the author of the document

> Google measures the average weighted font size of terms in documents (avgTermWeight) and anchor text.

> it’s likely the internal documents were accidentally included in a code review and pushed live from Google’s internal code base, where they were then discovered

Original Submission