Blog
GEO vs SEO: What's Different for Ecommerce
SEO gets your product pages ranked. GEO gets your products named when a shopper asks ChatGPT or Google AI Mode what to buy. Here is where the two split on a real product page, and where they share the same work.
By Alberto Barberis, Founder and CEO, AndromedAI · Updated October 2026
The short answer
GEO vs SEO: SEO (search engine optimization) earns rankings and clicks for your product and category pages in search results. GEO (generative engine optimization) earns a mention or recommendation inside AI answers from ChatGPT, Gemini, Google AI Mode and Perplexity. For ecommerce they share one foundation, crawlable pages with complete product data, but GEO rewards specific attributes and verifiable facts over keyword targeting.
GEO vs SEO: the short answer
GEO vs SEO comes down to the reader: same catalog, different audience. SEO competes for a position on a results page, while GEO competes for one of the few products an AI assistant names in its answer.
- 01
SEO earns your product page a position in a list of links. GEO earns your product a mention inside the answer, often with no click at all.
- 02
Google says SEO best practices still apply to AI Overviews and AI Mode, with no extra technical requirements. SEO is the entry ticket.
- 03
For a store, GEO is won in the product data: the attributes, specs and use cases an engine can match to a long, specific question.
- 04
Most GEO advice was written for publishers chasing brand mentions. A SKU gets recommended when its facts answer the prompt.
We wouldn't staff GEO as a separate channel. On a store, most of it is SEO done at the attribute level, plus AI crawler access and feed data built for conversational queries. The full playbook is in the GEO for ecommerce guide, and if AEO and ACO are also on your list, our AEO vs SEO vs GEO comparison maps all four terms.
What's the difference between GEO and SEO for an online store?
They differ in what wins, which signals decide it and how you measure it. They overlap almost completely on technical health and product data.
of Google visits that led to a click on a regular result, with and without an AI summary on the page
Rankings buy fewer clicksSource: Pew Research Centerof URLs cited in AI Overviews also rank in the top 10, down from about 76% in July 2025
Position one is no guaranteeSource: Ahrefs| Dimension | SEO | GEO |
|---|---|---|
| What wins | A page in a ranked list of links | A product or source named inside a generated answer |
| Typical query | "linen shirt men" | "breathable shirt for a beach wedding in August, not see-through, under $90" |
| Signals that decide it | Relevance, links, technical health, page experience | Attribute match, factual clarity, consistency across sources, reviews |
| Unit of work | The URL: product pages, category pages, guides | The SKU, and every fact about it |
| Where engines get your data | Crawled HTML and structured data | Crawled HTML, shopping feeds, marketplaces, reviews, editorial sites |
| Success metric | Rankings, organic clicks, revenue | Mentions, product share of voice, AI referral sessions, revenue |
Rankings still help, but they stopped being the gate
To be a supporting link in AI Overviews or AI Mode, a page has to be indexed and eligible for a snippet (Google Search Central). That part is pure SEO. After that, position matters less than most teams expect. Ahrefs found only 38% of AI Overview citations come from top-10 pages, and Semrush found that pages cited by ChatGPT search rank in position 21 or lower for related queries almost 90% of the time.
A product on page three can still get named if it states the fact the engine wanted. We also often see organic category leaders missing from AI answers because their product detail pages (PDPs) say "premium quality" where a competitor says "170 g/m², not sheer in white".
Those visits convert: 42% better than non-AI traffic in March 2026, per Adobe.
How AI engines pick products, and why keywords matter less
An AI engine splits a shopping question into sub-queries, gathers candidates and keeps only products whose data confirms every constraint. Keywords get you into the pool. Facts get you picked.
- 1
The shopper asks a long question
One prompt carries a product type, an occasion, a constraint and a budget.
- 2
The engine fans it out
Google describes query fan-out as issuing multiple related searches across subtopics and data sources (Google Search Central). Think "linen vs cotton heat", "is white linen see-through", "linen shirt under 90".
- 3
It pulls candidates from several places
Search indexes, shopping feeds, crawlable product pages, marketplaces, reviews. ChatGPT uses structured metadata from first-party and third-party providers, such as price and description (OpenAI).
- 4
It checks each constraint against your facts
Products whose data can't confirm a constraint drop out quietly.
- 5
It names the few it can justify
Each with a reason, usually an attribute you wrote down.
ChatGPTThe assistant quoted material, fabric weight, opacity and fit. Every one of those is product data.
OpenAI says product results in ChatGPT are selected independently and aren't ads (OpenAI). The feed side is covered in how to get products recommended by ChatGPT.
How to optimize one product page for both SEO and GEO
Take a fictional linen shirt. The SEO version targets the head term and can rank. The GEO version keeps every SEO element and adds the facts an assistant needs to recommend it for a specific situation.
Same URL, same internal links (illustrative scores):
page_title
BeforeMen's Linen Shirt, Relaxed Fit, Sage Green
AfterMen's Linen Shirt, Relaxed Fit, Sage Green, Harbor & Pine
description
BeforeShop our men's linen shirt, the perfect linen shirt for summer. Breathable and stylish.
AfterRelaxed-fit shirt in 100% European linen, 170 g/m², dense enough that sage and white aren't sheer. Made for heat, from beach weddings to city summers. Runs true to size.
attributes
Beforecolor: green; material: linen
Aftercolor: sage green; material: 100% linen; fabric_weight: 170 g/m²; fit: relaxed; occasion: beach wedding, vacation
faq
Before(empty)
AfterIs it see-through? Not in sage or white. Between sizes? Take the smaller one.
The SEO version could rank. It gives an assistant nothing to quote except the word linen, repeated.
| Element | SEO-optimized PDP | GEO-ready PDP |
|---|---|---|
| Description | Keyword repeated for density | Facts and situations, keyword used once or twice |
| Attributes | Color and material in the feed | Weight, fit, opacity, occasion, care, on the page and in the feed |
| FAQ | None | Real objections: sheerness, shrinkage, sizing |
| Structured data | Product with name, offers, image | Same, plus brand, gtin, color, material, size, aggregateRating |
| Merchant Center | Required fields only | Plus conversational attributes such as question_and_answer and variant_option |
The details that break GEO on real stores
When we audit catalogs, the gaps go beyond copy. A size chart uploaded as an image. Fabric weight in a Shopify metafield that never reaches the feed. A white colorway sharing one GTIN with the sage one. None shows up in a rank tracker.
Google added six conversational attributes to Google Merchant Center, among them question_and_answer and popularity_rank (Search Engine Roundtable), to match products to conversational queries in AI Mode and Gemini (Search Engine Land). The Google Merchant Center guide explains how to fill them.
Where standard SEO advice backfires in AI answers
Some habits that help rankings cost you in AI answers, and some popular GEO tactics matter little for products.
Keyword density works against you
In the original GEO study, keyword stuffing scored below the unoptimized baseline, while adding cited sources and statistics improved visibility by up to 40% (Aggarwal et al., GEO). That study used general web content, but the logic carries over to PDPs.
Writing for the snippet, not the question
Short, keyword-first descriptions suit a results page. An assistant answering "will this work at a wedding in 35°C heat" needs the sentence that says so. We'd take 150 words of facts over 60 words of adjectives.
Blocking AI bots with one blanket rule
OpenAI is explicit: sites that opt out of OAI-SearchBot won't be shown in ChatGPT search answers, apart from navigational links (OpenAI). GPTBot, the training crawler, is a separate decision. Check CDN bot rules too.
Overrated on the GEO side: special files and brand chatter
Google states there are no additional technical requirements and no special machine-readable files needed for AI features (Google Search Central). An llms.txt file won't fix an empty material field (more in llms.txt for ecommerce).
Off-site signals matter: brands' own sites are only 5 to 10% of the sources AI search references (McKinsey). For products, the cheapest outside sources to fix are your own retailer and marketplace listings. Make them match your PDP before paying for mentions.
What to fix first if you sell products
Fix the shared foundation first, because it pays off in both channels. Then add the inputs that only AI surfaces use.
- Crawl and render
Product facts in the initial HTML, not behind a JavaScript swatch. OAI-SearchBot allowed alongside Googlebot.
- Complete attributes
The category facts shoppers filter on, from material to fit.
- Descriptions built on situations
Who it's for, when to use it, how it compares.
- Real FAQs
Objections from reviews and support tickets, answered briefly.
- Structured data that matches the page
Markup values identical to the visible page. See structured data for ecommerce.
- Feed parity
Merchant Center and any ChatGPT product feed say exactly what the PDP says.
- Conversational attributes
Fill
question_and_answerandvariant_optionfor your top products first. - Category pages around demand
PLPs for the use cases shoppers ask about.
Work through the list in order: the last two only matter once the first six are solid. Keep rankings and organic revenue in your ecommerce SEO reporting, then add AI referral sessions in GA4 and a monthly check on 30 to 100 category prompts.
Bain found about 60% of searches end without a visit to another site (Bain). Product questions still end in a purchase, and it goes to a product someone named. Treating GEO as catalog work is what Agentic Commerce Optimization (ACO) means in practice.
How AndromedAI helps
AndromedAI is the Agentic Commerce Optimization platform: it finds the product data gaps that hold back both rankings and AI recommendations, fixes them at catalog scale and publishes the result.
AndromedAI scores product pages on Product Data Completeness, Keyword Coverage, Customer Intent Match and Shopping Metadata, showing SEO and GEO gaps per SKU. The Optimizer then rewrites titles, descriptions, bullets and FAQs, extracts attributes, and generates Google Merchant Center conversational attributes, all inside your Brand Kit. The Category Page Optimizer builds PLPs around real demand. Changes publish back through integrations such as Shopify and Merchant Center.
clicks from AI chats
Bomboogieorganic traffic, with sales up 46.9%
Semprefarmaciato first sales from ChatGPT
MatassaStart with the free AI Readiness Audit to see which of these gaps your own product pages have.
FAQ
SEO optimizes pages to rank in search results and earn clicks. GEO optimizes content so AI engines like ChatGPT, Gemini, Google AI Mode and Perplexity mention or recommend it inside their answers. For online stores, GEO depends mostly on complete, specific product data such as material, fit and use cases.
No. Google says SEO best practices still apply to AI Overviews and AI Mode, and a page must be indexed to be cited as a supporting link. GEO adds work on top of SEO, mainly richer attributes, use cases and FAQs, plus access for AI crawlers like OAI-SearchBot.
Ranking helps, but it isn't required. Ahrefs found that only 38% of URLs cited in Google AI Overviews also rank in the top 10. A product page further down the results can still be cited or recommended when it states the exact fact the AI engine needs to answer the shopper's question.
Keep the SEO basics: a clear title with the main keyword, a crawlable page and valid Product structured data. Then add facts an assistant can quote, such as material, fabric weight, fit and occasion, plus a short FAQ built on real objections. Send the same data to Google Merchant Center so the feed matches the page.
Track AI referral sessions and revenue in GA4, and check the AI reports in Search Console and Google Merchant Center. Each month, run a fixed set of category prompts in ChatGPT, Gemini and Google AI Mode and record how often your products are named. Keep rankings and organic revenue as your SEO baseline.
Glossary
- SEO (search engine optimization)
- Making pages crawlable and relevant enough to rank in search results
- GEO (generative engine optimization)
- Improving how often content or products are cited or recommended in AI-generated answers
- Query fan-out
- When an AI search feature splits one question into several related searches across subtopics and data sources
- Conversational attributes
- Merchant Center product fields, such as question_and_answer, that help AI systems match products to natural-language queries
- OAI-SearchBot
- OpenAI's crawler for ChatGPT search; sites that block it are not shown in ChatGPT search answers
Keep reading
The full GEO playbook for product catalogs
Read nextAEO vs SEO vs GEO vs ACO: The Four Acronyms ExplainedOne map of the terms, ending on the ecommerce layer
Read nextllms.txt for Ecommerce: Does Your Store Need One?When the file helps a store and when it is a distraction
Read nextEcommerce SEO: The Complete Guide for Product Catalogs (2026)The SEO foundation every GEO effort sits on
Sources (12)
- Google Search Central: AI features and your website
- Adobe: AI traffic surges to retail sites, but most are not machine readable
- Pew Research Center: Google users are less likely to click on links when an AI summary appears
- Ahrefs: 38% of AI Overview citations pull from the top 10
- Semrush: AI search and SEO traffic study
- Aggarwal et al.: GEO, Generative Engine Optimization (KDD 2024)
- McKinsey: New front door to the internet, winning in the age of AI search
- OpenAI Help Center: Shopping in ChatGPT
- OpenAI: Overview of OpenAI crawlers
- Search Engine Roundtable: Google Merchant Center conversational attributes
- Search Engine Land: AI performance insights and conversational attributes in Merchant Center
- Bain & Company: Goodbye clicks, hello AI, zero-click search redefines marketing
Featured in
