What is FacebookBot?

FacebookBot is a web crawler used by Meta to download training data for its AI speech recognition technology. Agent Analytics can track when it visits your website.

Category

Expected Behavior

FacebookBot crawls websites to build AI training datasets, and its operator decides which sites, how often, and how deep it goes. Expect broad sweeps that fetch far more pages per visit than a search crawler would, on an unpredictable schedule. Volume can run heavy while a collection pass is underway, then stop entirely.

Overview

This data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the world's top 1000 websites and their robots.txt files.

FacebookBot's User Agent

Access other known user agents and IP addresses using the Enterprise API.

How To Block FacebookBot

Add this rule to your robots.txt file to block FacebookBot from accessing your entire website. You can customize which pages are blocked by swapping out / for a different path.

User-agent: FacebookBot # https://knownagents.com/agents/facebookbot
Disallow: /

Frequently Asked Questions

Should I Block FacebookBot?

Block it if you want control over how your work trains AI models. FacebookBot downloads your content into training datasets without attribution, compensation, or any promise of traffic back. The case for allowing it is reach, because models trained on your content can surface your brand in AI answers. Neither choice changes your Google rankings. For comparison, 11% of the top websites we track already have robots.txt rules for FacebookBot.

Does FacebookBot Respect Robots.txt?

Yes. FacebookBot is expected to honor robots.txt rules, so a disallow rule is the right first move. Automatic Robots.txt adds and maintains that rule for you, and Agent Analytics confirms FacebookBot actually honors it.

Does FacebookBot Access Private Content?

FacebookBot targets public content, but the boundary is not always respected. Some training data scrapers go after paywalled or gated pages when the operator wants that data. If a page loads without signing in, assume it can be collected.

Why Is FacebookBot Visiting My Website?

Your content matched what Meta wants in a training dataset. FacebookBot discovers pages mechanically, through links from other sites, sitemaps, and seed lists, not because anyone chose your site personally.

How Can I Tell if FacebookBot Is Visiting My Website?

Agent Analytics tracks FacebookBot visits in real time alongside every other known AI agent, crawler, and scraper. You can also check your server logs for requests whose user agent string contains "FacebookBot". Look for broad sweeps that fetch large numbers of pages in sequence. Keep in mind that FacebookBot doesn't publish a verification method, so any client can claim its user agent string and a log match is a hint rather than proof.

References

• https://developers.facebook.com/docs/sharing/bot/