Everything You Want to Know about Gemini Deep Research
Gemini Deep Research is Google's agentic research feature within Gemini Apps that autonomously browses and synthesizes multiple web sources in response to a user's research request.
Last verified August 15, 2026 against Google's published crawler docs
Why it's crawling your site
A user asked Gemini to perform in-depth research; Deep Research fetched your page as one of several sources while compiling its report.
How Gemini Deep Research views your website
Gemini Deep Research fetches raw page HTML (multi-page agentic fetch, user-triggered) — it does not execute JavaScript. Content that only appears after client-side rendering is invisible to it.
Paste a URL for the rendered-vs-crawled diff, blocked resources, and the sections that never reach the bot.
How to block Gemini Deep Research
Add the rule below to your site's robots.txt. Most crawlers, including Gemini Deep Research, check for changes within 24 hours.
Blocking instructions unavailable — no published robots.txt token for Gemini Deep Research.
Need the full walkthrough?
Partial blocks, per-directory rules, Cloudflare and server-level options, verification.