Google Search Console Generative AI Performance Report Data Bug Nov 9 - 11

Google confirmed a data logging bug in the Search Console Generative AI performance report in Search that caused a decrease in impressions for data from November 9 to November 11, 2026, stating that the issue "affects data logging only." Google posted the anomaly on its data anomalies page and added an annotation inside Search Console, noting the November 2026 core update began on November 10, 2026, during the bug window. Google said the reporting error had no impact on actual performance in Google Search.

Google has confirmed a data logging bug in the Search Console Generative AI performance report in Search between the dates of November 9 and November 11, 2026 which resulted in a decrease in impressions. Google posted the issue on the data anomalies pages and wrote https://support.google.com/webmasters/answer/6211453?hl=en zippy=%2Cperformance-reports-search-results-discover-google-news , "A logging error caused a decrease in impressions on the Generative AI performance report in Search for data from November 9 - November 11, 2026. This issue affects data logging only." If you log in to Search Console and go to the Generative AI performance report in Search you will see an annotation about this error: I should note, the November 2026 core update https://www.seroundtable.com/google-november-2026-core-update-42504.html started on November 10, 2026, right during this data logging bug. So if you noticed a weird decrease in impressions from November 9 to November 11, 2026, you are not alone. This is just a reporting bug and had no impact on your performance in Google Search. Forum discussion at X https://x.com/rustybrick/status/2120969217671348369 .