Google-Extended
Google · training
- name
- Google-Extended
- operator
- purpose
- training
- ua_substring
- (none — token only)
- robots_token
- Google-Extended
- respects_robots
- yes
- verify
- not applicable — makes no HTTP requests
- notes
- A robots.txt policy token, NOT a crawler. It makes no requests and never appears in logs; disallowing it opts your content out of Gemini/Vertex training while leaving Google Search crawling untouched.
- canonical_name
- Google-Extended
- user_agent_token
- Google-Extended
- ua_full
- — not-applicable
- bot_type
- opt-out-token
- bot_type_extension
- —
- opt_out_mechanism
- robots.txt disallow (User-agent: Google-Extended) — opts content out of Gemini/Vertex training
- published_ip_range_url
- — not-applicable
- asn
- — not-applicable
- reverse_dns_suffix
- — not-applicable
- supports_web_bot_auth
- — not-applicable
- signature_agent_domain
- — not-applicable
- jwks_url
- — not-applicable
- verification_methods
- —
- crawl_traffic_share
- — not-applicable
- targeted_content_type
- — not-applicable
- documentation_url
- https://developers.google.com/search/docs/crawling-indexing/overview-google-crawlers
- first_seen_date
- — verify-against-primary-at-build ↗ https://developers.google.com/search/docs/crawling-indexing/google-extended
- last_verified_date
- 2026-06-15
- block_vs_allow_recommendation
- decision token — disallow to opt out of Gemini/Vertex training without affecting Google Search ranking; there is no traffic to block.
- citation_referral_value
- n/a (policy token, not a fetcher)
- cloudflare_verified_category
- — not-applicable
- status
- active
- triples
["Google-Extended","operated_by","Google"]["Google-Extended","has_bot_type","opt-out-token"]["Google-Extended","controls_opt_out_for","Gemini/Vertex training"]- attribute_sources
{"claims":["robots_token","bot_type","opt_out_mechanism","respects_robots"],"source":"https://developers.google.com/search/docs/crawling-indexing/overview-google-crawlers","last_verified":"2026-06-15"}