Nov 03 2026
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SEO and GEO share the same foundation: crawlable, indexed pages with useful, original content. What changes is where buyers meet your page and how you measure success. In a 2025 Pew Research Center study, users clicked a traditional result on 8% of visits with an AI summary, compared with 15% on pages with only classic results.

For a B2B website, that shift moves part of the value from the click to the citation. This guide covers what stays the same, what changes, a side-by-side comparison, and the priorities to set first.

What is the difference between SEO and GEO for a B2B website?

SEO (search engine optimization) helps a page rank in a list of search results. GEO (generative engine optimization) helps a page get used and cited inside an AI answer, such as Google AI Overviews, ChatGPT, or Perplexity.

The term GEO comes from the paper GEO: Generative Engine Optimization by Pranjal Aggarwal and colleagues, accepted to KDD 2024. The authors report that GEO methods can boost visibility by up to 40% in generative engine responses. For a fuller definition, read our guide on what generative engine optimization is.

For B2B companies, the two goals overlap heavily. A buyer researching suppliers often sees a summary first and links second.

What stays the same between SEO and GEO?

Google is direct on this point. Its documentation on AI features and your website states: “There are no additional requirements to appear in AI Overviews or AI Mode, nor other special optimizations necessary.”

Google’s guide to optimizing for generative AI features adds that optimizing for generative AI search “is optimizing for the search experience, and thus still SEO.” Its AI features retrieve pages through the core Search ranking systems. A page must be indexed and eligible to show with a snippet.

So the SEO basics keep their full value for a B2B website:

  • Crawlable pages: robots.txt, your CDN, and your hosting setup allow Google to crawl the content.
  • Internal links: every important page is reachable through links from other pages on your site.
  • Text first: key information sits in text, supported by relevant images and videos.
  • Page experience: pages load well and are easy to use on any device.
  • Accurate structured data: markup matches the text visible on the page.

What changes for B2B websites when AI engines answer first?

Three things change: how many people click, why being cited matters, and which content gets picked. Each one shifts how a B2B team plans its website.

Fewer clicks reach the classic results

Pew Research Center analyzed the browsing data of 900 U.S. adults in March 2025, covering 68,879 Google searches.

In that sample, 18% of searches produced an AI summary, and users clicked a link inside the summary on 1% of visits. Users ended their browsing session on 26% of pages with an AI summary, compared with 16% of pages with only traditional results.

An Ahrefs study published in February 2026 looked at 300,000 keywords and Google Search Console data from December 2023 and December 2025. It found that an AI Overview correlates with a 58% lower average clickthrough rate for the top-ranking page. An earlier Ahrefs study from April 2025 had reported a 34.5% drop, measured on clicks and with a different method.

Seer Interactive’s 2026 update tracked 5.47 million queries across 53 brands. In February 2026, organic CTR was 2.36% when an AI Overview appeared and 3.82% when it did not. These figures indicate a trend, they are not a forecast for your case.

Being cited becomes a goal of its own

In its September 2025 update, Seer Interactive studied 3,119 search terms across 42 client organizations. Brands cited in an AI Overview got 35% more organic clicks and 91% more paid clicks than brands that were not cited. The author notes that this is a correlation and does not prove that citation causes the higher CTR.

For B2B teams, a citation in the summary often brings the most motivated readers to the site.

Original, specific content gets picked

Google’s 2026 guide describes commodity content as content “often based on common knowledge, which could originate from anyone.” Its advice is direct: “Don’t just recycle what others on the internet have already said.”

The GEO paper points the same way. On GEO-bench, a set of 10,000 queries, adding quotations and statistics gave the strongest gains. The best methods improved on the baseline by 41% on one visibility metric.

Keyword stuffing scored below the unoptimized baseline on that main metric.

The paper also found that lower-ranked sites benefit more. Adding cited sources produced a 115.1% visibility gain for sites in fifth position. This is a lab benchmark, so it indicates a direction, it is not a forecast for your website.

How do SEO and GEO compare side by side?

DimensionSEOGEO
Main goalRank a page in the list of resultsGet the page used and cited in an AI answer
Where buyers meet youBlue links on a results pageInside a summary from Google, ChatGPT, Perplexity, or Gemini
Technical baseCrawlable, indexed pagesThe same: Google requires indexing and snippet eligibility
Content that performsHelpful pages that match search intentOriginal facts, figures, and sources that support an answer
Success signalRankings, clicks, organic trafficCitations, brand mentions, and the quality of visits
MeasurementSearch Console Performance reportSearch Console plus tracking of answers for buyer questions
Role of proofBuilds trust once the reader landsGives the engine specific facts to quote

Which SEO and GEO priorities should a B2B website set first?

Use this checklist in order. Each step builds on the one before it, and the first steps support both SEO and GEO at once.

  1. Secure the technical base. Confirm that key pages are crawlable, indexed, and linked from other pages on your site.
  2. Publish first-hand content. Project results, methods, and client stories carry facts that only your company holds.
  3. Answer buyer questions in clear sections. Use headings phrased as questions and sentences that name the subject. Readers scan faster, and summaries often quote clear passages.
  4. Support claims with figures and sources. Name who measured what, when, and on which sample.
  5. Keep structured data accurate. Match every field to the visible text on the page.
  6. Measure beyond clicks. Track citations for your top buyer questions next to classic traffic.
  7. Put effort into substance. Google says Search does not use llms.txt files. It adds that seeking inauthentic mentions “isn’t as helpful as it might seem.”

For step 6, our guide on how to measure your brand’s visibility in AI answers gives a practical method. Google also notes that its AI Overviews and AI Mode traffic appears in the Search Console Performance report under the Web search type.

Why do case studies serve both SEO and GEO?

A case study is the clearest example of non-commodity content on a B2B website. It holds a real context, a method, and measured results that no competitor can copy.

Those are the same elements the research rewards: specific statistics, real quotations, and cited sources. A well-built case study can also rank for the problem it solves, so it often works in classic search too. We explain this in detail in why AI engines cite case studies.

Frequently asked questions

Is GEO a replacement for SEO?

GEO builds on SEO. Google states that its generative AI features are rooted in its core Search ranking and quality systems. A strong SEO base is the starting point for AI visibility.

Do I need an llms.txt file or special schema for AI Overviews?

Google says Google Search does not use llms.txt files, and that there is no special schema.org markup to add for generative AI search. Accurate structured data that matches the visible page text remains a good practice.

Do AI Overviews reduce clicks to B2B websites?

Several studies report lower click rates when an AI summary appears. Pew Research Center found clicks on traditional results on 8% of visits with an AI summary, versus 15% on pages with only classic results.

What content helps a B2B website get cited by AI engines?

First-hand content with clear facts often performs well. Google asks for unique, non-commodity content, and the GEO paper found that adding statistics, quotations, and cited sources improved visibility in generative engine answers.

How can I see my traffic from Google AI features?

Google includes AI Overviews and AI Mode traffic in the Search Console Performance report under the Web search type. Its 2026 guide also points to a Generative AI performance report in Search Console.

Is your B2B website ready for both SEO and GEO?

SEO and GEO rest on the same base, and the difference lies in where buyers meet you. Check your site against four questions:

  • Are your key service and proof pages indexed and linked internally?
  • Does each page hold facts that only your company can share?
  • Do your headings answer the questions buyers actually ask?
  • Do you track citations in AI answers next to organic clicks?

Four yes answers mean your website is ready for both. Each no marks a clear next step.

casestudybook turns your client results into a case study built for both channels. You get an SEO kit (title, meta description, headings, FAQs ready for structured data) and AI signals such as cited sources.

Delivery takes 48 hours from the complete brief, and prices start from €99. One round of revisions is included, and you get a refund if you are not convinced. Explore the service at casestudybook.com or book a short call to plan your first case study.

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Posted inGEO & AI Search