GEO Explained: How AI Search Is Changing SEO for B2B Websites

Another Bitkom survey from April 2026 shows which specific AI tools are being used: ChatGPT leads clearly with 71 percent, followed by Gemini (50 percent) and Copilot (43 percent). Perplexity (7 percent) and Claude (5 percent) have so far played a minor role in Germany (Bitkom, 2026). The high Copilot figure may seem surprising at first glance, but there’s a straightforward explanation: Microsoft bundles Copilot with Microsoft 365, and in many German SME offices with traditional Microsoft infrastructure, the tool has long been preinstalled—without any active decision on the part of users.

For companies that want to be found online, this is a valid question: Is your current SEO strategy still sufficient when a growing portion of your target audience no longer uses traditional search methods? It’s worth answering this question—without scaremongering and without any sales pitch.

GEO stands for Generative Engine Optimization and refers to the optimization of content for AI-powered response systems such as ChatGPT, Google AI Overviews, or Perplexity, rather than just for traditional Google search results. In other words: SEO ensures that your website appears in the search results; GEO ensures that an AI cites your content as an answer in the first place.

Important to note: GEO does not replace SEO, but rather complements it. A website that is technically sound, has clear content, and is structured in a way that Google can understand also stands a better chance with AI systems. The fundamentals remain the same; the only difference is that the target audience for optimization now includes a machine that formulates answers rather than simply sorting links.

GEO (Generative Engine Optimization) is the optimization of website content so that AI systems like ChatGPT or Google AI Overviews use it as a source for their answers—as a supplement to traditional search engine optimization, not as a replacement for it.

What the Pew Study Shows

According to a U.S. study, when an AI summary appears above search results, Google users click on a traditional result link in only 8 percent of visits, compared to 15 percent without an AI summary. Only 1 percent click on a source within the summary itself (Pew Research Center, 2025, U.S. study).

These figures come from a study of nearly 69,000 real Google searches conducted by 900 U.S. users in April 2025. They cannot be applied one-to-one to Germany, but the general trend certainly can: Google AI Overviews have been active in the DACH region since March 2025, and the expanded AI Mode has been available in Germany since October 2025. When an AI summary appears directly above the usual search results, the likelihood that someone will click further decreases.

This particularly affects companies that have so far relied heavily on organic rankings for information-oriented search queries. Those who were previously well-ranked but are never cited in the AI response itself will lose visibility, even though the traditional ranking remains completely unchanged.

That’s the real game-changer: It’s not your position in the results list that matters, but whether the AI recognizes your content as a trustworthy source and cites it.

Recent aggregate data from Seer Interactive confirms the trend for 2026 but also shows a recovery: Across 53 brands analyzed, with 5.47 million search queries and 2.43 billion organic impressions, the organic click-through rate in February 2026 was 2.36 percent with AI summaries, compared to 3.82 percent without (Seer Interactive, 2026). In December 2025, the low point was still 1.3 percent, which corresponds to a recovery in the click-through rate of about 85 percent within just two months—at least for pages that were already well-cited.

A methodological note on this: Pew measures actual tracked clicks from a user sample, while Seer aggregates Search Console data across many domains. Both methods point in the same direction but are not directly comparable on a one-to-one basis. Nevertheless, it’s interesting to note what the Seer data reveals in addition: Pages that are cited within the AI summary itself receive 120 percent more clicks per impression than uncited pages on the same results page. So, those who are cited gain disproportionately, while those who aren’t cited lose disproportionately—a pretty clear argument for GEO as a complement to SEO.

Market researchers at Gartner were also anticipating significant shifts as early as February 2024: The research firm predicted a 25 percent decline in traditional search volume by 2026 due to AI chatbots and virtual assistants (Gartner, 2024). This early forecast was prescient, even if the exact figure has not yet been confirmed with such clarity according to later industry analyses. Nevertheless, as an indicator of where search is headed, it remains remarkably accurate.

According to the Pew Research Center, when AI summaries are active, the click-through rate on traditional search results drops from 15 to 8 percent (2025, U.S. study); current aggregate data from Seer Interactive shows an organic click-through rate of 2.36 percent for February 2026 compared to 3.82 percent without AI summaries, representing a recovery of about 85 percent since December 2025 (Seer Interactive, 2026).

The order is important: First, clarify the content and technical fundamentals; then consider specialized GEO measures. If your site structure is unclear or your content is thin, you’ll gain little from pure SEO measures for AI search as long as the foundation isn’t right.

When it comes to visibility in AI search systems, B2B companies benefit most from clearly structured, fact-based content with traceable sources—not from additional marketing buzzwords.

GEO is not a one-time project, but rather a field that continues to evolve, much like SEO itself has over the past 20 years. In the upcoming articles in this series, we’ll take a closer look at two specific building blocks: structured data as the technical foundation for AI citability, and a practical AI visibility check that you can use to see for yourself whether and how your website already appears in AI responses.

This introduction is intended to do one thing above all else: provide you with a realistic, unbiased overview without pushing you toward a specific service. Whether and to what extent investing in GEO is worthwhile for your business depends heavily on your industry, your target audience, and your existing SEO foundation. That’s exactly why it’s worth taking a closer look at your own website before deciding on specific measures.