Google completes December 2025 core update after 18-day rollout

Google's December 2025 core update was rolled out over an 18-day period, beginning on December 11, 2025, at 09:25 PST and concluding on December 29, 2025, at 11:00 PST. This update marked the third core update of the year, with an indication that Google plans to release core updates more frequently in the future. The primary goal of this update was to improve the relevance and quality of content across all website types. Instead of penalizing lower-quality pages, the update focuses on promoting high-quality pages to enhance overall search results. The rollout was officially completed on December 29, 2025, at 11:05 PST.