Window
2026-10-12 — Ahrefs ChatGPT fan-out study + Semrush AI visibility dashboard guide.
Scope
Classic SEO and GEO: Google AI Overviews and AI Mode, Bing Copilot and AI Search, ChatGPT Search, and Perplexity. No Chinese or Baidu sources.
Status
No ranking update in progress. The latest completed confirmed update is the September 2026 spam update, started 2026-09-24, completed 2026-10-08.
Confidence
Vendor research

Summary

  • GEO: Ahrefs fan-out study — most ChatGPT replies don’t search; brand/site: bias; Reddit citations plunge.
  • Measurement: Semrush AI visibility dashboard playbook.
  • Status: Quiet.

01

Ahrefs: How ChatGPT does query fan-out (15M queries)

Vendor research

What happened

Ahrefs (Louise Linehan, 2026-10-12): 66.6M free logged-out GPT-5.6 Luna responses + ~15M fan-outs (Aug–Sep 2026). Only 14.4% of responses contained fan-outs (~1.6 each); 6.8% of fan-outs used site:; among top site: targets ~76% brand sites; “official”/“price”/“review” language rose; separate citation data: Reddit citations down ~88% in six months as ChatGPT shifts toward original/official sources.

Why it matters

For ChatGPT Search / GEO, be the canonical brand or primary-source page; optimize for the few fan-outs that fire; track industry fan-out vocabulary.

Source

  1. Ahrefs Blog — How ChatGPT Does Query Fan-Out (15 Million Queries Studied)

02

Semrush: build an AI visibility dashboard (prompts × GSC)

Vendor research

Practical product guide.

What happened

Semrush (Bill Widmer, 2026-10-12): how-to joining Semrush AI Visibility / prompt tracking + cited pages with GSC (incl. Generative AI impressions) via Sheets + Claude—so teams see pages AI cites that earn zero Google clicks (and vice versa).

Why it matters

Practical GEO + classic SEO measurement: a citation is not a click.

Source

  1. Semrush Blog — How to build an AI visibility dashboard with Semrush

03

Status Dashboard quiet

Official

What happened

No active ranking update; latest completed remains September spam update.

Why it matters

Vendor research day without a new Google systems event.

Source

  1. Google Search Status Dashboard — Ranking history checked

Also noted

SignalDateNote
Bing Topics Portfolio2026-10-13Official Bing GEO measurement feature tomorrow

Method notes

  • P0 sites polled via WebFetch/WebSearch; Status Dashboard checked for confirmed ranking/spam state.
  • Rumors kept Unconfirmed until Google/Bing/official confirmation.
  • No Chinese/Baidu sources.