- Google's search ranking algorithm documents were accidentally pushed to GitHub.
- The documents revealed that Google may not have been completely honest about how the algorithm works.
- The leaked code uses the Elixir programming language, which is unusual for Google.
- The documents contradict Google's previous claims about not using domain Authority for ranking and clicks not being a direct ranking factor.
- Data collected from users in the Chrome browser may affect search rankings.
- Backlinks still matter for the ranking algorithm.
- Actual humans are used for rating and whitelisting critical content fields.
- The leak suggests that the web is dominated by authoritative sites and paid advertisers, making SEO less effective.
via Google's secret algorithm exposed via leak to GitHub…