Top 10 Websites Cited for AI Assistants: ChatGPT, Perplexity & More

An Ahrefs Brand Radar analysis revealed the top 10 websites most frequently cited across 78.6 million searches related to Google AI Overviews, ChatGPT, and Perplexity in June 2025. The study encompassed approximately 76.7 million AI Overviews, 957,000 ChatGPT prompts, and 953,500 Perplexity prompts, providing a comprehensive overview of the most influential online resources in the AI assistant landscape. The data highlights the prominent websites users consult for information, support, and further exploration of these AI tools. This analysis offers valuable insights into user behavior and preferences regarding AI assistant resources. While the specific top 10 websites aren't listed in the provided text excerpt, the sheer volume of data analyzed underscores the growing reliance on online resources to understand and utilize AI technologies effectively. The research suggests a strong demand for credible information and tutorials surrounding these increasingly popular AI tools. Understanding which websites are most frequently referenced can help developers, marketers, and educators better tailor their content to meet the needs of the AI user community. Further analysis of the top 10 websites could reveal valuable trends in user interests, such as the preference for specific types of content (e.g., tutorials, reviews, news articles) or the focus on particular aspects of AI assistants (e.g., functionality, ethical considerations, applications). The information could be used to refine existing AI resources and develop new ones that address unmet user needs and enhance the overall AI user experience. This data-driven approach to understanding user behavior offers a powerful way to improve the accessibility and usability of AI tools for everyone.

(Source: https://ahrefs.com/blog/top-10-most-cited-domains-ai-assistants/)