What is meta-externalagent?
meta-externalagent crawls web content for training AI models and improving Meta's products by indexing content directly across the internet. You can use Agent Analytics to see when it visits your website.
Agent Type
Expected Behavior
AI data scrapers systematically crawl websites to collect training data for machine learning models. Unlike search engine crawlers that index for retrieval, these scrapers download content specifically for model training. Their crawling patterns are typically opaque. Operators rarely disclose site selection, frequency, or priorities. Scrapers may crawl more aggressively than traditional search engines, and the collected data becomes part of training datasets with limited transparency about attribution or usage.
Details
| Operated By | Meta |
| Insights Last Updated | June 26, 2026 |
Top Websites Blocking This Agent
Country of Origin
Top Website Blocking Trend Over Time
As of June 26, 2026, 14% of top websites block meta-externalagent in their robots.txt files.
Overall AI Data Scraper Traffic
As of June 26, 2026, 3.3% of estimated web traffic came from AI data scrapers.
Top Visited Website Categories
meta-externalagent's User Agent String
| Example | meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler) |
Access other known user agent strings and recent IP addresses using the API.
How To Block meta-externalagent With a Robots.txt Rule
In this example, all pages are blocked. You can customize which pages are off-limits by swapping out / for a different disallowed path.
User-agent: meta-externalagent # https://knownagents.com/agents/meta-externalagent
Disallow: /Frequently Asked Questions About meta-externalagent
Should I Block meta-externalagent?
Consider your priorities. meta-externalagent collects content for training machine learning models. While this content is publicly accessible, you may want to block it if you're concerned about attribution, compensation, or how your creative work might be used in AI systems or generated outputs.
How Do I Block meta-externalagent?
If you want to, you can block or limit meta-externalagent's access by configuring user agent token rules in your robots.txt file. The best way to do this is using Automatic Robots.txt, which updates automatically as new agents are discovered. While the vast majority of agents operated by reputable companies honor these robots.txt directives, bad actors may choose to ignore them entirely. In that case, you'll need to implement alternative blocking methods such as firewall rules or server-level restrictions. You can verify whether meta-externalagent is respecting your rules by setting up Agent Analytics to monitor its visits to your website.
Will Blocking meta-externalagent Hurt My SEO?
Blocking AI data scrapers has minimal direct SEO impact since these tools don't contribute to search engine indexing. However, if your content is used to train models that power AI search engines, blocking scrapers might reduce your representation in AI-generated responses, potentially affecting future discoverability.
Does meta-externalagent Access Private Content?
AI data scrapers typically focus on publicly available content for training data collection. However, some may attempt to access password-protected areas, API endpoints, or content behind paywalls. The scope varies widely depending on the operator's goals and technical sophistication. Most respect authentication barriers, but some may use techniques to bypass access controls.
How Can I Tell if meta-externalagent Is Visiting My Website?
Setting up Agent Analytics will give you realtime visibility into meta-externalagent visiting your website, along with hundreds of other AI agents, crawlers, and scrapers. This will also let you measure human traffic to your website coming from AI search and chat LLM platforms like ChatGPT, Perplexity, and Gemini.
Why Is meta-externalagent Visiting My Website?
meta-externalagent likely found your site through systematic web discovery methods like following links from other indexed sites, processing sitemaps, or using seed URLs from publicly available website lists. Your site may have been selected because it contains the type of content useful for training AI models.
How Can I Authenticate Visits From meta-externalagent?
Agent Analytics authenticates agent visits from many agents, letting you know whether each one was actually from that agent, or spoofed by a bad actor. This helps you identify suspicious traffic patterns and make informed decisions about blocking or allowing specific user agents.