How often does Google update its search algorithm?

Google makes thousands of algorithm updates yearly, ranging from minor tweaks to major core updates. In 2025, with AI-driven ranking signals, updates are increasingly continuous and less announced. Historically, Google confirmed major core updates 3–4 times per year. Today, changes roll out in smaller, ongoing waves—particularly around EEAT, Helpful Content, and spam detection.

Example:

The March 2024 core update spanned multiple weeks and impacted affiliate-heavy sites. For SEO teams, this means monitoring trends continuously instead of waiting for official confirmations.

Steps:

(1) Track volatility via tools like MozCast, SEMrush Sensor, or Algoroo.

(2) Follow Google Search Central Blog for official updates.

(3) Cross-check GSC data weekly to catch traffic anomalies early.

Further reading:

https://developers.google.com/search/blog https://searchengineland.com/library/google/google-algorithm-updates