Google Mobile-friendly update ("Mobilegeddon")
Google began rolling out the Mobile-friendly update ("Mobilegeddon") on 21 April 2015. Google did not publish a completion date for it.
21 Apr 2015
Started
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Finish not recorded
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Rollout duration
| Type | Ranking signal |
|---|---|
| What it was | Mobile friendliness became a ranking signal on mobile. |
| Affected systems | Ranking |
| Since the previous one | 258 days after the HTTPS as a ranking signal (the average gap between ranking signals is 626 days) |
| Record | Compiled from the public record. The date is the announced start; no clock time was published. Google announced or confirmed this update. |
In context
What to do when an update lands · How long Google updates take · Everything running on 21 Apr 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.