Reddit is the most-cited domain by major AI search tools, topping Wikipedia and news publishers

Semrush data compiled for The Verge shows Reddit was the most-cited domain in May 2026 across ChatGPT, Perplexity, Google's Gemini, and Google's AI Mode — ahead of news publishers, scholarly repositories, and Wikipedia. Reddit's user-generated content has become a primary retrieval layer for generative search, creating new incentives for marketers to manipulate the threads those answers draw from.