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100 Most Cited Domains in ChatGPT

09/10/25
Source: Data & Studies – SEO Blog by Ahrefs by Si Quan Ong. Read the original article

TL;DR Summary of Top 100 Domains Most Cited by ChatGPT in the U.S.

Our analysis of 9.6 million ChatGPT queries reveals that authoritative and well-known domains dominate ChatGPT’s responses. The top cited sites include Reddit, Wikipedia, Amazon, Forbes, and Business Insider. These domains reflect a preference for sites with credible, diverse, and popular content. Tools like Ahrefs’ Brand Radar can help brands track their presence within ChatGPT’s AI outputs.

Optimixed’s Overview: Key Websites Powering ChatGPT’s U.S. Responses

Insight into the Most Referenced Domains by ChatGPT

By examining a comprehensive dataset of nearly 10 million ChatGPT queries, we identified the top 100 domains most frequently cited in ChatGPT’s U.S.-focused answers. This data highlights the sources that ChatGPT relies on to provide reliable and relevant information.

Dominant Types of Cited Domains

  • Social Platforms: Reddit leads with the highest mentions, reflecting its vast user-generated content and community insights.
  • Encyclopedic and Reference Sites: Wikipedia and Merriam-Webster are heavily cited, serving as foundational knowledge bases.
  • News and Media Outlets: Prestigious publications like Forbes, Business Insider, The Guardian, and NY Post provide authoritative news and analysis.
  • E-commerce and Consumer Sites: Amazon, Walmart, eBay, Target and others appear frequently, supporting queries related to shopping and product information.

Additional Observations

ChatGPT’s preference for trusted and reputable sources ensures the quality and accuracy of its responses. The diversity spans health sites (Healthline, WebMD), lifestyle and fashion (Vogue, GQ, Glamour), tech reviews (TechRadar, Tom’s Guide), and more, reflecting a broad knowledge base.

How Brands Can Leverage This Data

  • Monitoring brand mentions within ChatGPT can be done using tools like Ahrefs’ Brand Radar.
  • Brands can compare their presence with competitors by analyzing AI-generated queries where their names appear.
  • This insight helps companies optimize their digital footprint to appear in AI-driven responses that customers increasingly rely on.

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