Track every confirmed Google algorithm update since 2023 — volatility trends, industry impact by category, and live alerts from Moz and SEMrush Sensor.
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Total updates
Since Jan 2023
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High/Very high impact
Core + HCU
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Current volatility
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Last update
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📈 Volatility Charts
📋 Update History
🏢 Industry Impact
🔔 Live Alerts
Search volatility — last 90 days
Higher score = more SERP volatility detected. Update dates marked with vertical lines.
90 days60 days30 days
Volatility score (0-100)
High-impact update
Medium-impact update
Update frequency by year
Number of confirmed Google algorithm updates per year.
Impact by update type
Average impact score across all updates by category.
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Industry impact heatmap
Which categories have been most affected by algorithm updates since 2023.
Category
Updates affected by
Avg impact
Negative updates
Last affected
Live alerts from Moz & SEMrush Sensor
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How to use this tracker
Volatility chart Scores above 60 indicate SERP instability. Check if your rankings shifted during those days.
Update history Filter by type and year. Click any update to see which categories were affected.
Industry impact If your site is in a high-impact category (health, news, ecommerce), monitor this tab closely after any core update.
Live alerts Pulled directly from Moz and SEMrush Sensor feeds. New updates appear here within hours of confirmation.