Google looks stormy today. SERP volatility is running at 7.1/10 according to WireBoard's tracker, with some tools spiking far higher, which points to unusually heavy ranking movement across Google today.
Across the major SEO news desks checked today, there does not appear to be a confirmed Google core update or spam update announced on March 31, 2026. Google Search Central's public update channels do not show a new ranking update for today, and its latest documented changes are smaller documentation updates, not a broad algorithm rollout. The freshest practical item from Google is a March 25 documentation update adding 3DModel markup support for merchant listings.
The real story is instability without confirmation. That matters because sites can see traffic swings even when Google says nothing. For site owners, this is not the day to panic or redesign everything. Check Search Console, compare pages and queries that moved, and look for pattern-level losses, not one bad keyword. Also, be careful with rumor-driven SEO chatter. SEJ recently highlighted how fake Google update claims can spread and even rank.
Sources
- SERP Volatility Tracker - WireBoard
- Here's an update on our efforts to simplify the search results page | Google Search Central Blog | Google for Developers
- Latest Google Search Documentation Updates | Google Search Central | What's new | Google for Developers
- SEO Test Shows It's Trivial To Rank Misinformation On Google