Secrets from the Algorithm: Google Search’s Internal Engineering Documentation Has Leaked

If you have loads of time to read, this may be interesting to you.

Secrets from the Algorithm: Google Search’s Internal Engineering Documentation Has Leaked ​

Learn what you always wish you knew about Google's algorithms.

ipullrank.com

• They do not use SERP click-through rate to re-rank pages.
• They do not treat sub-domains as distinct from main domains.
• There is no concept of a ranking sandbox.
• They do not consider the age of a domain in their ranking algorithm.
• There is no site-wide authority score.

I'm still reading everything myself, but feel free to join in.

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