Google December 2024 Core Update
Completed Dec 18, 2024; followed by a spam update on Dec 19.
DateDec 12, 2024
PlatformGoogle SEO
TypeCore
Who it affectsAll sites
What happened
Google released a second core update within weeks, rolling out from December 12 to 18, 2024, saying it improved a different core system. A spam update began the next day, so December 2024 traffic changes can be hard to attribute.
Who it affected
All sites.
What it means for marketers today
Annotate both updates in your reports. Look at whether affected pages are thin or spam-like (spam update) or simply outranked (core update).
Related
See the full Google Algorithm Update History (2003–2026)