Meta External Ads

Verifiable

Meta's crawler that fetches pages for advertising and other business-related products and services, separate from the AI-training and link-preview crawlers. Verified by ASN lookup (AS32934); Meta publishes no IP feed.

Operated by Meta · Official documentation

User agents

Patterns this directory matches, with real observed strings.

regexmeta-externalads/\d
observedmeta-externalads/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
observedmeta-externalads/1.1

How to verify

Look up the announced ranges by ASN

whois -h whois.radb.net -- '-i origin AS32934' | grep route

Good Bot Practices scorecard

Identifies honestly
Stable UA token documented (1 pattern)
Verifiable
Verifiable
Respects robots.txt
Honors robots.txt (token: meta-externalads)
Behaves
Crawl-rate behavior is operator-declared; not machine-verifiable from this dataset
Reachable operator
Operator and documentation published

Measured against the Good Bot Practices.