GEO: the complete guide to Generative Engine Optimization
GEO explained: what it is, why it matters in 2026 (with data) and the CITAR method to get cited by ChatGPT, Perplexity and Gemini.
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GEO: articles and resources
GEO isn't a trick to show up in AI. It's entity and measurement: without measurement it's faith, with it it's management. Most chase loose tactics and ignore the chain. These articles cover the fronts that decide whether your brand gets cited - from fundamentals to crawler control.
Fundamentals and scope
What it is, why it matters and where it starts.
SEO vs GEO: what actually changes
SEO vs GEO without the hype: what each does, what they share, what changes in practice, and why you shouldn't pick just one.
Proving the value of GEO: the report decision-makers approve
Report GEO without a Search Console: a prompt matrix by segment, customer type and journey stage, with the right KPI per stage - trend, not false precision.
Why SEO is important: the top mistakes brands make in 2026
Why SEO is important and the top mistakes brands make in 2026: rarely tactical, but platform, organisation and measurement.
AI can cite the wrong market of your brand (and hreflang won't protect you)
I measured what ChatGPT and Gemini serve a user in Portugal for four international brands.
BrightonSEO 2026: everyone talks about AI, nobody from AI talks about SEO
I went to BrightonSEO 2026 for the 3rd time.
AI in 2025, as seen on 60 Minutes: what it really changes for your visibility
The 60 Minutes AI episode (Hassabis, AGI, Project Astra) shows the promise and the risk - translated, without hype, into what changed in search and marketing.
Where to show up: AI engines and surfaces
ChatGPT, Gemini, AI Overviews, AI Mode, Copilot and voice.
AI Overviews: what they are and how to optimize
AI Overviews explained: what they are, how they affect CTR, and how to optimize so your content is used in them.
AI Overviews vs AI Mode: why you need a multi-surface strategy
AI Overviews and AI Mode are different Google surfaces and cite almost distinct sources (only ~10% overlap).
Google AI Mode is becoming a destination, not a doorway
Google AI Mode explained: how it differs from AI Overviews, query fan-out, and what changed in 2026.
How to get cited in ChatGPT and Perplexity
Practical steps to be cited as a source in ChatGPT and Perplexity: entity, Bing, citable content and how to verify.
Bing, Copilot and IndexNow: the forgotten engine that feeds ChatGPT
ChatGPT and Copilot lean on Bing's index.
Google's new intelligent Search and 24/7 agents: what changes for your business
Google reinvented the Search box (its biggest upgrade in 25 years) and launched agents that search for you 24/7.
AI browsers already browse for you: what changes for your site
AI browsers already browse, summarize and act for you.
Gemini cites entities it knows, not pages it finds
Gemini and AI Overviews are grounded in Google's index and Knowledge Graph.
Why each AI engine cites different sources
Same question, near-disjoint sources.
Entity, authority and E-E-A-T
AI only cites with confidence what it can resolve as an entity.
E-E-A-T and entities: why AI trusts some sites and ignores others
What E-E-A-T really means, why entities make it machine-readable, and how experience, expertise, authority and trust decide whether AI cites you.
AI won't replace your marketing - it exposes it. And the answer is brand.
AI doesn't replace you: it exposes who built a brand and who only bought traffic.
'AI slop' and E-E-A-T in 2026: how to keep quality when everyone publishes with AI
Google doesn't penalize AI content - it penalizes value-less content at scale.
When AI lies about your brand: why, and how to fix it
ChatGPT invents facts about your brand.
Citations and off-site
Where citations are born, off your own site.
Digital PR for GEO: how to earn the citations AI reuses
Brand mentions in earned media influence AI visibility more than backlinks.
Reddit and UGC: why AI cites communities (and how to benefit, ethically)
Reddit is the most-cited domain by AI in 2026.
Reddit lost 86% of its ChatGPT citations in four days. The lesson isn't about Reddit.
Reddit lost 86% of its ChatGPT citations in four days in August 2026.
Your media channels are the intelligence GEO is missing
Every paid and organic channel tells you something GEO can't measure.
AI control and measurement
Control crawler access and measure the outcome.
AI crawlers and bots: who crawls, renders and indexes
A reference matrix of the AI crawlers and bots that matter: who crawls, who renders JavaScript and who indexes or trains.
Block or allow AI? The GSC control and robots.txt, without the myths
Google lets you opt out of AI Overviews, AI Mode and Discover AI without losing ranking, but forfeiting AI traffic.
A publisher's robots.txt is blocking what nobody audited
At a news publisher, robots.
AI visibility audit: measure from the customer's prompt, not your assumptions
How to audit your visibility across AI engines: a prompt baseline, share of voice, cited sources and tracking.
Search Console finally measures your AI visibility (impressions only)
Google launched the generative AI performance report in Search Console (Jun 2026): impressions in AI Overviews and AI Mode.
Avinash, OAO and the data contradiction nobody solves
Avinash wants a new name for SEO and AEO.