How to Optimize Your Website for Google-Extended
Google · Gemini & AI Overviews
Google-Extended is the web crawler operated by Google for Gemini & AI Overviews. Controls whether your content can be used to ground Gemini and Google AI features. This guide shows how to make your site readable and citable by Google-Extended.
Step 1: Allow Google-Extended in robots.txt
Make sure your robots.txt explicitly allows Google-Extended so it can fetch your pages:
User-agent: Google-Extended
Allow: /Step 2: Serve content without JavaScript
Google-Extended can render some JavaScript, but server-rendered HTML is still more reliable. Use SSR or static generation so your content is in the initial response.
Step 3: Add structured data
Add JSON-LD with the schema.org types that match your pages (Organization, Article, FAQPage, HowTo) so the crawler can extract facts unambiguously.
Step 4: Make your content quotable
- Answer the main question in the first sentence of each section.
- Use ordered lists for steps and tables for comparisons.
- Add a real FAQ with
<details>/<summary>and matching FAQPage schema. - Show an updated date — freshness signals reliability.
What is the Google-Extended user-agent?
The user-agent string is "Google-Extended". You can match it in robots.txt to allow or block it.
Does Google-Extended run JavaScript?
Google-Extended can render some JavaScript, but server-rendered HTML remains the safest choice.
How do I check if Google-Extended can read my site?
Run a free GEO analysis on this site to see your bot-accessibility score and exactly what to fix.