2026 has been a busy year for Google's ranking systems: two confirmed core updates and four spam updates by early October. If your traffic moved around one of these dates, this explains what actually happened and what's worth doing about it.
Every Google update in 2026 so far
| Update | Type | Approximate dates |
|---|---|---|
| March spam update | Spam | Began 24 March, ran about 19.5 hours |
| March core update | Core | Began 27 March |
| May core update | Core | 21 May to 2 June |
| June spam update | Spam | Ran just over two days |
| August spam update | Spam | Finished in roughly two days 16 hours |
| September spam update | Spam | Began 24 September, still rolling as of early October |
Google doesn't publish exactly what each individual update targets, and treats that as commercially sensitive to stop sites gaming it. What it does say is that spam updates refine how it catches policy-violating SEO tactics, while core updates make broader changes to how its ranking systems judge pages and sites overall.
What a 'core update' actually changes
A core update isn't a penalty aimed at your site specifically. It's Google re-weighing hundreds of signals together, so content that was borderline before can move up or down as the overall bar shifts. That's why core-update advice is rarely 'fix this one thing' and almost always 'make the page genuinely better for the person reading it'.
Signs a drop is from a core update, not something else
- The drop lines up with a known update's rollout window, not a date you changed something on the site
- It affects many pages or the whole site gradually, rather than one page dropping sharply overnight
- Google Search Console shows falling impressions and clicks together, not a manual action or a crawl/indexing error
- Competitors in the same space saw similar movement around the same dates
How to recover, or avoid being hit next time
- Read the page the way a stranger would: does it actually answer the question, or just circle around it with keywords?
- Check who wrote it and whether that's visible; unsigned, generic content is exactly what recent updates have targeted
- Remove or rewrite old pages that were thin to begin with, rather than leaving them hoping nobody notices
- Fix technical basics (speed, mobile usability, broken links) so a good update isn't undone by a bad experience
- Keep a dated record of major content changes, so the next time traffic moves you can tell if it was you or Google
Should you panic after every update?
No. Rankings naturally wobble during a rollout, which can take one to three weeks to fully settle. Watching a third-party 'volatility tracker' daily and rewriting pages after every blip usually does more harm than good. React to a sustained drop after a rollout completes, not to day-to-day noise.



