20 August 2026

ChatGPT search queries to specific websites spike after August update

First reported

Simon Willison ran this on .

  • Queries using site: operator, which search a single website, jumped from less than 1% to 16-17% in mid-August.
  • The spike followed OpenAI's August 6th announcement about improving how ChatGPT handles factual accuracy.
  • OpenAI has not publicly explained what changed in the system, making the exact cause unclear.

How it was covered

Simon WillisonDaily notes and links

ChatGPT search queries using the site: operator jumped from 0.3-0.5% to 16-17% in mid-August following the GPT-5.6 rollout. Promptwatch, a tool tracking chatbot responses, detected this change aligned with OpenAI's August 6th announcement about improving factual reliability, though the exact implementation details remain unclear due to OpenAI obscuring system prompts.