Meta-WebIndexer

Meta · search

name
Meta-WebIndexer
operator
Meta
purpose
search
ua_substring
Meta-WebIndexer
robots_token
Meta-WebIndexer
respects_robots
no
verify
Meta publishes crawler IP ranges; confirm against those. Meta documents that allowing Meta-WebIndexer in robots.txt lets Meta AI cite and link your content.
notes
Per Meta's documentation, the Meta-WebIndexer crawler navigates the web to improve Meta AI search result quality; allowing it in robots.txt helps Meta AI cite and link your content in its responses. Token and operator-doc reference recorded in the ai.robots.txt machine-readable registry.
canonical_name
Meta-WebIndexer
user_agent_token
Meta-WebIndexer
ua_full
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
bot_type
search-index
bot_type_extension
opt_out_mechanism
robots.txt disallow (User-agent: Meta-WebIndexer)
published_ip_range_url
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
asn
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
reverse_dns_suffix
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
supports_web_bot_auth
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
signature_agent_domain
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
jwks_url
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
verification_methods
published-IP-range
crawl_traffic_share
— verify-against-primary-at-build ↗ https://radar.cloudflare.com/bots
targeted_content_type
HTML, text
documentation_url
https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
first_seen_date
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
last_verified_date
2026-06-15
block_vs_allow_recommendation
allow — Meta documents that allowing Meta-WebIndexer lets Meta AI cite and link your content in its answers; blocking forfeits that citation/referral.
citation_referral_value
high (powers Meta AI search answers; Meta documents that it cites and links allowed content)
cloudflare_verified_category
— verify-against-primary-at-build ↗ https://radar.cloudflare.com/bots/directory/meta-webindexer
status
active
triples
["Meta-WebIndexer","operated_by","Meta"] ["Meta-WebIndexer","has_bot_type","search-index"] ["Meta-WebIndexer","verified_via","published-IP-range"]
attribute_sources
{"claims":["user_agent_token","robots_token","operator","documentation_url","block_vs_allow_recommendation"],"source":"https://github.com/ai-robots-txt/ai.robots.txt/blob/main/robots.json","last_verified":"2026-06-15"}

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