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Update timeline

Google updates: every update to the search algorithm

Timeline, rollout notes and the operational memory of Google updates: Core Updates, Spam Updates and every relevant change in Search.

From 2011 to today Latest entry 25 September 2026
80 Updates recorded
31 Core Update 15 Spam Update 24 Ranking systems 7 Policies and guidelines 3 Other updates

Each entry starts from Google's official announcement and records its dates, scope and rollout status.

80 updates found

  1. 2026

  2. Spam Update latest release

    September 2026 Spam Update

    Google has rolled out the September 2026 Spam Update, targeting sites that violate its spam policies. The rollout applies globally and across all languages. It's the fourth spam update of 2026, and unlike August's update, which wrapped up in 2 days, this one "will likely take longer."
  3. Spam Update

    August 2026 Spam Update

    Google has rolled out a new anti-spam update covering all languages and regions. Compared to its other periodic efforts to improve the automated systems that detect spam in search results, this one has triggered sharp swings in search results volatility.
  4. Spam Update

    June 2026 Spam Update

    Google has released the June 2026 antispam update, which has been rolled out for all languages and geographic regions. This is a routine update designed to improve the performance of the automated systems that detect spam in search results.
  5. Core Update

    May 2026 Core Update

    Google has released the May 2026 Core Update, described as “a routine update designed to better showcase relevant and satisfying content for users searching across all types of sites.
  6. Spam Update

    New Anti-Spam Regulation: Back Button Hijacking

    Google has introduced a new anti-spam policy to combat the deceptive practice known as “Back Button Hijacking,” which now constitutes an explicit violation of anti-spam policies, potentially resulting in manual actions and other penalties. Read more
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