Changelog
Updates to the Algorithm Update Tracker - new entries, data corrections, source updates, and feature additions.
May 21, 2026
Added May 2026 core update
- Google launched the May 2026 core update on May 21, 2026 (incident
wdAXJk6LRRihEjpzEeWE) - Rollout expected to take up to two weeks; marked as in-progress / live
- Second core update of 2026, following the March 2026 core update (which shifted ~80% of top-three positions)
April 12, 2026
Launched DemandSphere Radar section
- Launched DemandSphere Radar section under /research/demandsphere-radar/
- Added stacked frequency chart with AI milestone annotations
- Added live data fetch from Google Search Status Dashboard
- Added JSON API endpoint with CC BY-NC 4.0 license
April 11, 2026
Per-update descriptions and AI milestones
- Added per-update descriptions for all 173 algorithm update entries
- Added 7 AI innovation milestones (Hummingbird, RankBrain, Transformers, BERT, MUM, SGE, AI Overviews, AI Mode)
April 10, 2026
Historical algorithm updates database
- Added 173 historical Google algorithm updates dating back to 2002
- Includes core updates, spam updates, link spam updates, helpful content updates, product reviews updates, and page experience updates
- All entries include start date, end date, duration, and category