Meta · AI answers
Meta External Fetcher
Meta External Fetcher is Meta's crawler. This crawler fetches a page in real time to answer a specific user's question.
Crawler facts
| Operator | Meta |
|---|---|
| User agent token | meta-externalfetcher |
| Traffic type | AI answers |
| Verification | User agent only |
| IP source | Meta publishes no IP list. |
What "verified" means for Meta External Fetcher
Meta publishes no IP list for Meta External Fetcher, so a request claiming this user agent can never be proven genuine. DataSaaS always records it as unverified.
Track it
Meta External Fetcher fetches raw HTML and never runs JavaScript, so no browser tag can see it. Install the DataSaaS server-side package to record every request and verify the ones that publish IP ranges.
Read the bot-traffic setup guideSee which crawlers hit your site
DataSaaS records every AI crawler and search bot, then verifies the ones that publish IP ranges. Browse the full crawler directory.
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