What is Generative Engine Optimization (GEO)?
Lawrence Hitches Written by Lawrence Hitches | AI SEO Consultant | December 21, 2023 | 4 min read

What is generative engine optimization?

GEO programs at scale benefit from a senior AI SEO consultant overseeing the architecture decisions before content gets written.

Generative Engine Optimisation (GEO) is the practice of optimising content to appear as cited sources in AI-generated search responses from platforms like ChatGPT, Google AI Overviews, Perplexity, and Microsoft Copilot. Unlike traditional SEO which optimises for ranking position on a results page, GEO optimises for citation, being the source an AI quotes when synthesising an answer. The term was formalised in a 2024 research paper from Georgia Tech, IIT Delhi, and Princeton, which tested nine optimisation strategies and found that authoritative citations, statistics, and direct quotations improved AI search visibility by up to 40%.

GEO focuses on optimizing content to improve its chances of being recognized and displayed by AI-driven search engines like Google's AI Overviews or Bing.

The Research Paper on Generative Engine Optimization

The foundational GEO research paper tested nine content optimisation strategies across 10,000 search queries and found three clear winners: adding authoritative citations improved visibility by 25-40%, including relevant statistics boosted visibility by 15-30%, and using direct quotations from experts improved visibility by 10-20%. Fluency optimisation, keyword stuffing, and technical jargon had minimal or negative effects. The paper established that AI search engines reward content depth, factual specificity, and source credibility, not keyword density or traditional on-page SEO signals.

The research paper titled "GEO: Generative Engine Optimization" introduces a new concept that consists of methods to assist content creators in optimizing their articles for search engines to increase the likelihood of being featured in direct responses.

The researchers suggest a new metric called "Subjective Impression" to measure content engagement and clickability.

This metric measures the mind-blowing impact, unparalleled uniqueness, and irresistible clickability of the content once it has been supercharged with GEO methods.

They tested GEO methods on 10,000 queries, divided into training, validation, and testing groups.

Methods like adding citations, quotes, and statistics make content more credible and engaging.

These methods can improve content visibility in search engine responses by 30-40%.

The article also highlights how smaller websites can benefit the most from GEO, as it levels the playing field against more significant sites.

GEO Techniques

Here is a breakdown of the GEO techniques, each of which has its unique way of making content more engaging and easier to find in search results.

  1. Authoritative Tone: For a history article, instead of saying, "This event might have contributed to the war," enhance authority by stating, "Historical evidence firmly establishes this event as a direct catalyst for the war."
  2. Citation Inclusion: Instead of vaguely referencing studies in a science article, include specific citations like, "According to a 2022 study published in Nature, these findings reshape our understanding of the phenomenon."
  3. Statistical Data: For an economic report, replace general statements with specific data, such as "In 2021, the technology sector saw a 25% increase in job growth, surpassing other industries."
  4. Quotation Addition: In a social science piece, instead of general commentary, add a quote from an expert, like "As sociologist Dr. Jane Doe points out, 'This trend reflects greater societal changes.'"
  5. Content Fluency: Transform a clunky sentence in a travel blog from "The city, known for history, attracts tourists" to "The city attracts tourists with its rich history."
  6. Avoidance of Keyword Stuffing: In a gardening blog, ensure the content naturally discusses various plants and gardening techniques rather than repetitively using terms like "best gardening tips."
  7. Visibility Improvement for Lower-Ranked Websites: For a small local news site, suggest adding a few insider local insights or unique perspectives to articles, making them more appealing and likely to be noticed.
  8. Domain-Specific Optimization: In a tech article, include the latest industry trends and technical terms like "machine learning algorithms" instead of general tech references.

These methods align with the criteria the new AI Overviews (AI Overviews), prioritizing quality, directness, credibility, and user engagement. Authoritative and well-supported content is more likely to be recognized as valuable by AI Overviews algorithms, leading to higher visibility in search results in carousel or citation links.

Limitations of GEO

The main limitation of GEO as a discipline is measurement. Unlike traditional SEO where you can track rankings daily, AI citation frequency is harder to monitor systematically, it requires manual prompt testing across multiple platforms, and results vary by session, user history, and platform version. Additionally, each AI platform uses different retrieval and citation logic, meaning optimisation for ChatGPT doesn't guarantee visibility in Perplexity or AI Overviews. The field is also evolving rapidly as platforms update their grounding systems, making any specific tactical advice potentially short-lived.

Although the study referenced still needs to complete its exploration in Google or Bing, the principles outlined provide a strong foundation for improving AI Overviews rankings.

The focus on content quality, authenticity, and user-centered optimization will likely be well-received by search engine algorithms.

Conclusion

Generative Engine Optimization (GEO) provides strategies to improve web content for new AI-driven search engine experiences like AI Overviews. These methods include emphasizing authoritative content, incorporating citations, statistics, and quotations, improving fluency, and avoiding keyword stuffing.

Implementing these strategies now will future-proof your website from an SEO perspective as we head into a new age of GEO.

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Lawrence Hitches
Lawrence Hitches AI SEO Consultant, Melbourne

Chief of Staff at StudioHawk, Australia's largest dedicated SEO agency. Specialising in AI search visibility, technical SEO, and organic growth strategy. Leading a team of 120+ across Melbourne, Sydney, London, and the US. Book a free consultation →