GEO and AI Search Data Reports
Based on 1B+ analyzed citations, prompts, and responses across ChatGPT, Gemini, Perplexity, Claude, and Google AI Overviews. We publish free, aggregated datasets so the community can understand how AI search engines cite sources, recommend brands, and surface content.
Reports include citation share rankings by domain, citation content type breakdowns over time, top cited sources per AI model, social media citation comparisons, shopping feature usage trends, and average sources per response — updated regularly with fresh data.
Markdown in AI Search
February 19, 2026
Markdown files make up just 0.05% of all AI search citations. This report breaks down citation share by content format across ChatGPT Search and Google AI Overviews — and explains why markdown is for AI agents, not AI search.
Reddit in AI Search - January 2026
February 15, 2026
How did AI search engines use Reddit in January 2026? Citation share across ChatGPT, Perplexity, and AI Overviews — including top subreddits, post engagement metrics, age distribution, and citation trends.
ChatGPT Citation Types Over Time
February 9, 2026
Track how ChatGPT Search citation content types change over the past 30 days. See the daily percentage breakdown of news articles, reviews, documentation, forums, and more — essential for understanding what content formats AI search engines prefer.
AI Overviews Citation Types Over Time
February 9, 2026
Track how Google AI Overviews citation content types change over the past 30 days. See the daily percentage breakdown of news articles, reviews, documentation, forums, and more — essential for understanding what content formats AI search engines prefer.
ChatGPT Citation Share - January 2026
February 3, 2026
See the top 15 most cited domains by ChatGPT Search in January 2026 and their percentage share of total citations. Understand which sources AI search engines trust most.
Google AI Overview Citation Share - January 2026
February 5, 2026
See the top 15 most cited domains by Google AI Overview in January 2026 and their percentage share of total citations. Understand which sources AI search engines trust most.
Average Sources Per Response
September 23, 2025
Explore our public GEO & AI SEO dataset. See how many sources AI assistants cite per response across models like ChatGPT, Claude, Perplexity, and Gemini. We publish anonymized, aggregated insights for the community.
ChatGPT Shopping Feature Usage
November 23, 2025
Track how often ChatGPT displays shopping recommendations and product cards in web search responses. Real-time analytics showing the percentage of citation-enabled responses with shopping features, essential for e-commerce optimization.
Top ChatGPT Sources
September 26, 2025
Live analytics showing which domains ChatGPT cites most frequently. Track citation trends for Reddit, Wikipedia, Forbes, and 20+ major websites across social, news, review, and reference categories.
Top Google AI Overviews Sources
September 27, 2025
Explore our public GEO & AI SEO dataset. See how many sources Google AI Overviews cite per response across models like ChatGPT, Claude, Perplexity, and Gemini. We publish anonymized, aggregated insights for the community.
Top Google AI Mode Sources
September 27, 2025
Explore our public GEO & AI SEO dataset. See how many sources Google AI Mode cites per response across models like ChatGPT, Claude, Perplexity, and Gemini. We publish anonymized, aggregated insights for the community.
Social Media Citations by AI Model
December 23, 2025
Compare how often ChatGPT, Perplexity, AI Overviews, and Grok cite social media platforms like Reddit, X, YouTube, Instagram, Facebook, LinkedIn, and TikTok. See which social networks dominate AI citations.
How we collect this data
We collect millions of prompt responses, citations, and click data from the actual user interfaces of major AI platforms — over 1 billion data points and growing. This gives us one of the largest and most authentic datasets on how AI search engines cite sources and recommend brands.
Real UI monitoring
We collect data from the interfaces of ChatGPT, Gemini, Perplexity, Claude, AI Overviews, and more — the same results hundreds of millions of users see daily.
1B+ data points
Our dataset spans over 1 billion analyzed citations, prompts, and responses — giving us one of the largest AI search datasets available.
Aggregated & public
We publish these reports freely so the GEO and AI search community can learn from the data. All reports are based on aggregated, non-identifiable trends.
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