Google Search, Search Central, AI Overviews, and AI Mode.
SEL publishes DemandSphere data: branded AI Overviews jumped from ~26% early September to >80% late month (peak 90.48% Sep 27). Google docs update generative-AI content guidance (Oct 1 doc changelog). Spam update still open.
Roundtable’s mid-rollout volatility blip day for the September spam update. SEJ covers OpenAI Dots: always-on ChatGPT agents with read-only proactive research (GEO-adjacent monitoring, not a Search ranking change).
DemandSphere still shows ~82% branded AI Overview presence. Spam update continues. OpenAI Dots launch coverage lands tomorrow; no new Status Dashboard event beyond the spam rollout.
Roundtable documents weekend impact of the September spam update. DemandSphere still shows elevated branded AIOs (~80% Sep 28). Google begins wider AI Mode information-monitoring availability around this date (SEJ Oct 2 context).
DemandSphere records branded AI Overview presence peaking at 90.48% on Sep 27. Spam update remains in progress (weekend impact window per Roundtable).
Spam update continues. DemandSphere (reported Oct 1) shows branded AI Overview presence jumping to ~69% on Sep 26 en route to a late-September spike. Rank-tracker noise during the spam rollout is flagged by SEOmonitor (via later SEJ).
Spam update day two: early volatility reported by Roundtable. SEJ unpacks AI Overview link types and Search Console click rules. Google research paper on SAFE (Scaled Abuse Forensics Examiner) for synthetic “AI slop” — not confirmed as the spam update’s mechanism.
Google starts the September 2026 spam update (global, all languages, up to two weeks). Search Central adds Search Console multimodal performance reporting for Lens / Circle to Search / image-based queries. Fourth confirmed spam update of 2026.
SEL reports a randomized field experiment: forcing AI Mode cut external-site click share by 18.8 points and lowered satisfaction. Status Dashboard still quiet ahead of tomorrow’s spam update. Pre-announcement ranking chatter remains Unconfirmed.
Status Dashboard quiet. Peec AI chart (shared Sep 21) shows external links inside AI Overview answer text rising to about 26% by Sep 20. Community notes of AI Overview text that opens AI Mode instead of the web remain Unconfirmed as a broad UI change.