Google RankBrain update
Google began rolling out the RankBrain update on 26 October 2015. Google did not publish a completion date for it.
| Type | Core update |
|---|---|
| What it was | Machine learning applied to interpreting unfamiliar queries. Revealed publicly in October; in use earlier. |
| Affected systems | Ranking |
| Since the previous one | 760 days after the Hummingbird (the average gap between core updates is 171 days) |
| Record | Compiled from the public record. The date is the announced start; no clock time was published. Google announced or confirmed this update. |
What a core update is
A core update is a broad change to how Google's ranking systems assess content overall. It is not a penalty and there is usually nothing specific to fix: pages move because the systems now weigh things differently, and a drop is often a competitor rising.
What to do when an update lands · How long Google updates take · Everything running on 26 Oct 2015
About this page
Dates are Google's own, in UTC. The rollout duration and every comparison on this page are calculated here from those dates — Google publishes neither. Coverage is drawn from the headlines this site archived at the time, so updates that predate the archive show none. Corrections are welcome at contact [at] seo-serps.info.