Simon Willison • 8/20/2026

ChatGPT search now uses the site:operator at scale

Read Original

This article discusses a notable change in ChatGPT search behavior: the percentage of search queries containing the 'site:' operator jumped from around 0.3-0.5% to 16-17% following the GPT-5.6 rollout. Promptwatch, a tool in the Generative Engine Optimization (GEO) space, tracked this shift and also observed a reduced likelihood of Reddit appearing in search results. The author speculates on the underlying system prompt changes and notes OpenAI's obscurity, relating this to broader trends in AI-driven search and content visibility.

ChatGPT search now uses the site:operator at scale

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

No top articles yet