GEO · Generative Engine Optimization

Is SEO Dead? No — But It's Becoming GEO

A straight answer for marketing teams watching their organic traffic slide, wondering whether to keep investing in SEO at all.

J
Jack
Founder, Visibly · Ex-FTSE 100 Digital Director

The short answer: SEO isn't dead. But the thing it's optimising for has changed — from ranking in a list of links to being the brand AI engines actually name and cite. That shift has a name: GEO (Generative Engine Optimization).

If you've typed "is SEO dead" into Google recently, you're not being dramatic. You're responding to something real. Organic traffic at a lot of otherwise healthy websites has been quietly declining, and the usual explanations — a Google algorithm update, weak content, a technical SEO issue — don't always add up. Often the content is fine. The rankings haven't moved. The traffic has dropped anyway.

Why everyone's asking this question right now

The honest reason this question is everywhere is that the way people search has genuinely shifted, and the data backs up the unease.

In early 2026, 68% of US Google searches ended without a single click.1 In Google's newer AI Mode, that figure reaches 93%.2 And when an AI Overview appears on a regular search, organic click-through rates collapse — one study measured a fall from 1.76% to 0.61% between June 2024 and September 2025, a roughly 65% drop.3 AI Overviews now appear on nearly all informational queries.4 Meanwhile, 85% of B2B buyers purchase from a "day one" vendor list formed before they ever run a search5 — meaning the moment you'd traditionally try to win with SEO has often already passed.

Put plainly: the place people search from hasn't really changed. The thing they're searching with has. ChatGPT, Gemini, Perplexity, and Google's own AI-generated answers are increasingly standing between your brand and the person who wants it.

That's not a death sentence for SEO. It's a redefinition of what "ranking" means.

Organic click-through rate on AI Overview queries, June 2024 to September 2025 A bar chart showing organic click-through rate falling from 1.76 percent in June 2024 to 0.61 percent in September 2025, a decline of roughly 65 percent, according to Seer Interactive. 1.76% Jun 2024 0.61% Sep 2025 ↓ ~65% drop
Organic click-through rate on queries showing an AI Overview. Source: Seer Interactive (2025).

What's actually changing (and what isn't)

Your SEO fundamentals — solid technical performance, clear site structure, genuinely useful content, authoritative signals — haven't stopped mattering. If anything, AI engines lean on those same signals when deciding what to cite. Sloppy technical SEO doesn't become irrelevant just because AI search exists.

What's changed is the scoreboard. Traditionally, success meant a blue link in position one through ten. Increasingly, success means being the brand an AI engine actually names when someone asks it a question — "what's the best project management tool for a small agency," "which CRM should I use," "who does GEO well." Ranking well no longer guarantees you'll be the answer.

This is the gap a growing number of marketing teams are waking up to: their SEO reporting still looks reasonable, but their actual visibility — the moments where a real prospect is asking an AI assistant for a recommendation — is a blind spot nobody's measuring.

That gap has a name now: GEO.

What is GEO?

GEO stands for Generative Engine Optimization — the practice of optimising your brand's content and online presence so that AI engines (ChatGPT, Gemini, Perplexity, Copilot, and Google's AI features) are more likely to mention, cite, or recommend you when someone asks a relevant question.

Where SEO optimises for ranking in a list of links, GEO optimises for being the answer itself — or one of the handful of brands an AI engine chooses to name. It draws on some of the same raw materials as SEO (clear, well-structured, genuinely authoritative content) but applies them toward a different outcome, with different signals mattering more: structured data and FAQ markup, third-party citations and mentions, comparison content, clear entity definition, and increasingly machine-readable signals like an llms.txt file that helps AI crawlers understand what your site is and does (our free generator creates one in seconds).

You'll also see GEO referred to as AEO (Answer Engine Optimization) — the two terms get used almost interchangeably in practice, though GEO is becoming the more widely adopted label for the discipline as a whole.

SEO versus GEO comparison A side-by-side comparison. SEO optimises for ranking in a list of links, measured by position and clicks. GEO optimises for being cited or recommended inside AI answers, measured by mentions and citations. Both rely on quality content and authority. SEO Search Engine Optimization GOAL Rank in a list of links MEASURED BY Position & clicks WINS WHEN You're on page one GEO Generative Engine Optimization GOAL Be the answer AI gives MEASURED BY Mentions & citations WINS WHEN AI names your brand
SEO and GEO optimise for different outcomes — but rest on the same foundation of quality content and authority.

SEO vs GEO: working together, not against each other

It's tempting to frame this as SEO versus GEO — pick a side, retire the old playbook. That's the wrong mental model. A more useful way to think about it:

SEO builds the foundation. Technical health, content quality, site authority, backlinks — none of that goes away. AI engines still draw heavily on indexed, well-structured content when deciding what to cite. A site with weak SEO fundamentals isn't going to suddenly thrive in AI search just because someone adds an llms.txt file.

GEO builds on top of that foundation, aimed at a different outcome. It asks a more specific question than SEO does: not just "can this page rank," but "would an AI engine confidently recommend this brand by name." That shifts focus toward things classic SEO checklists often treat as secondary — being cited by credible third parties, having comparison and "best of" content that AI engines can pull structured comparisons from, clear and unambiguous entity signals (who you are, what you do, who you're for), and content written in a way that directly, plainly answers the exact questions your buyers are asking AI assistants.

Teams that treat this as an either/or are leaving real visibility on the table either way. The brands pulling ahead right now are the ones investing in both at once — and treating AI visibility as something they actively monitor, not something they hope is going fine.

What to actually do about it this week

You don't need to overhaul your entire content strategy overnight. A few practical, high-leverage starting points:

Find out where you actually stand. Before changing anything, you need a real baseline: does ChatGPT mention your brand when someone asks about your category? Does Perplexity cite you, or your competitors? Most teams have never actually checked — they're optimising blind.

Audit your comparison content. AI engines lean heavily on comparison and "best X for Y" content when forming recommendations. If you don't have a clear comparison page against your main competitors, that's a real gap.

Tighten your entity signals. Make sure it's unambiguous, in plain language, who you are, what category you're in, and who you're for — on your homepage, your About page, and your LinkedIn company description (AI engines pull from all three more than you'd expect).

Add structured FAQ content to key pages. AI engines pull FAQ schema heavily when answering direct questions, and it's one of the lowest-effort, highest-impact technical additions available.

Start tracking it like you track rankings. If AI visibility isn't part of your regular reporting, you're managing half the picture.

Get early access to the free scan

Visibly's free brand scan shows you where you stand across ChatGPT, Gemini, Perplexity and Claude. It's launching soon — join the early-access list to be first to run it, and get The GEO Brief in the meantime.

Get early access →

Frequently asked questions

Is SEO dead?

No. SEO is not dead, but what it optimises for has changed. Traditional SEO fundamentals — technical health, quality content, and authority — still matter, and AI engines rely on those same signals. What has changed is that ranking in a list of blue links is no longer the only goal. Increasingly, success means being the brand an AI engine names or cites when someone asks a question. This evolution is now called GEO.

What is GEO (Generative Engine Optimization)?

GEO is the practice of optimising your brand's content and online presence so that AI engines like ChatGPT, Gemini, Perplexity, and Google's AI features are more likely to mention, cite, or recommend you when someone asks a relevant question. Where SEO optimises for ranking in a list of links, GEO optimises for being the answer itself.

What is the difference between SEO and GEO?

SEO optimises for ranking in search results — appearing high in a list of links. GEO optimises for being cited or recommended directly inside AI-generated answers. SEO builds the foundation (technical health, content quality, authority), while GEO builds on top of it toward a different outcome: being the brand an AI engine confidently names. They work together rather than replacing one another.

Is GEO the same as AEO?

GEO (Generative Engine Optimization) and AEO (Answer Engine Optimization) are used almost interchangeably in practice. Both describe optimising to be the answer AI engines provide, rather than a link in a list. GEO is becoming the more widely adopted label for the discipline as a whole.

J
Written by
Jack · Founder, Visibly
Jack spent 10+ years running digital and SEO strategy at agency level — including brands like Barclays and Virgin — before moving in-house as a senior digital director at a FTSE 100 company. He built Visibly after watching organic traffic quietly decline with no clear explanation, and realising that AI engines were intercepting customers before they ever reached the website. Visibly helps brands track and improve their visibility across AI search.

Sources

  1. SparkToro / Similarweb — "In 2026, Less than One Third of Google Searches Still Send a Click" (2026). sparktoro.com
  2. Semrush — AI Mode zero-click data (September 2025).
  3. Seer Interactive — organic CTR on AI Overview queries, June 2024–September 2025 (2025).
  4. Ahrefs — share of informational keywords triggering an AI Overview (November 2025).
  5. Bain & Company — "Losing Control," B2B buyer "day one" vendor list research (September 2025). bain.com