Google Core Update: What It Is and How to Respond

A Google core update is a broad change to the algorithms and systems of Google Search that Google rolls out several times a year. According to Google, core updates are not aimed at specific sites or individual pages. They change how Google assesses content overall.

At a glance

Type: Broad change to Google Search's ranking systems
Frequency: several times a year (per Google)
Started: May 21, 2026 (May 2026 core update, latest)
Completed: June 2, 2026
Confirmed by: Google Search Status Dashboard
Docs: Google: Google Search's core updates

Last checked: October 8, 2026

What happens during a core update?

Google announces each core update on the Google Search Status Dashboard and records when the rollout starts and ends. Between March 2024 and May 2026, rollouts listed there took between 6 and 45 days, most of them two to three weeks (our own tally of the entries, not a Google statement). Rankings often fluctuate more than usual during that time.

A site that loses visibility in a core update is not necessarily doing anything wrong, Google says. Other content may simply be judged a better fit for the query. Google states that most sites don’t need to worry about core updates. Sites with significant drops are pointed to Google’s questions on whether content is helpful, reliable and created for people.

Google recommends waiting at least a full week after a rollout has completed before analyzing Search Console data, then comparing the periods before and after. Recovery does not have to wait for the next core update, because Google ships smaller, unannounced changes continuously. Some improvements show in a few days, others take several months.

Core and spam updates from November 2021 to today

November 3 to November 11, 2021November 2021 spam update.Source: status.search.google.com
November 17 to November 30, 2021November 2021 core update.Source: status.search.google.com
May 25 to June 9, 2022May 2022 core update.Source: status.search.google.com
September 12 to September 26, 2022September 2022 core update.Source: status.search.google.com
October 19 to October 21, 2022October 2022 spam update, global and for all languages.Source: status.search.google.com
December 14, 2022 to January 12, 2023December 2022 link spam update, global and for all languages.Source: status.search.google.com
March 15 to March 28, 2023March 2023 core update.Source: status.search.google.com
August 22 to September 7, 2023August 2023 core update.Source: status.search.google.com
October 4 to October 20, 2023October 2023 spam update, global, with improved coverage in languages including Turkish, Vietnamese, Indonesian, Hindi and Chinese.Source: status.search.google.com
October 5 to October 19, 2023October 2023 core update.Source: status.search.google.com
November 2 to November 28, 2023November 2023 core update.Source: status.search.google.com
March 5 to March 20, 2024March 2024 spam update.Source: status.search.google.com
March 5 to April 19, 2024March 2024 core update.Source: status.search.google.com
June 20 to June 27, 2024June 2024 spam update.Source: status.search.google.com
August 15 to September 3, 2024August 2024 core update.Source: status.search.google.com
November 11 to December 5, 2024November 2024 core update.Source: status.search.google.com
December 12 to December 18, 2024December 2024 core update.Source: status.search.google.com
December 19 to December 26, 2024December 2024 spam update, global and for all languages.Source: status.search.google.com
March 13 to March 27, 2025March 2025 core update.Source: status.search.google.com
June 30 to July 17, 2025June 2025 core update.Source: status.search.google.com
August 26 to September 22, 2025August 2025 spam update, global and for all languages.Source: status.search.google.com
December 11 to December 29, 2025December 2025 core update.Source: status.search.google.com
March 24 to March 25, 2026March 2026 spam update, global and for all languages.Source: status.search.google.com
March 27 to April 8, 2026March 2026 core update.Source: status.search.google.com
May 21 to June 2, 2026May 2026 core update.Source: status.search.google.com
June 24 to June 26, 2026June 2026 spam update, global and for all languages.Source: status.search.google.com
August 18 to August 21, 2026August 2026 spam update, global and for all languages.Source: status.search.google.com
September 24 to October 8, 2026September 2026 spam update, global and for all languages.Source: status.search.google.com

All core and spam updates listed in the Google Search Status Dashboard (Ranking) since November 2021. Each period runs from release to the reported end of the rollout; the dashboard uses US Pacific time. The dashboard does not list older updates; where Google dated them, they appear in the ranking systems timeline. Last checked: October 8, 2026.

Example

As of October 8, 2026, Google has announced two core updates in 2026:

Update	Start	Rollout duration
March 2026 core update	March 27, 2026	12 days, 4 hours
May 2026 core update	May 21, 2026	11 days, 21 hours

Spam updates appear on the same dashboard as separate entries.

FAQ

When was the last core update? The Search Status Dashboard lists it under “Ranking.” As of October 8, 2026, the latest is the May 2026 core update.

Will there be more core updates in 2026? Google does not announce dates in advance. A new core update appears on the dashboard when its rollout begins.

Do I need to fix something after a core update? Usually not. A core update reassesses content broadly and does not target individual sites, according to Google. Technical problems that happen to occur in the same period should still be checked separately, so they are not mistaken for an effect of the update. This is an assessment, not a Google statement.

Sources

Google Search's core updates – Google Search Central (last updated 2025-12-10)developers.google.com
Google Search Status Dashboard – Ranking incidentsstatus.search.google.com

Last updated: October 8, 2026