# BEGIN BLOCK META CRAWLERS
User-agent: meta-externalagent
Disallow: /

User-agent: meta-webindexer
Disallow: /

User-agent: meta-externalfetcher
Disallow: /

User-agent: meta-externalads
Disallow: /

User-agent: facebookexternalhit
Disallow: /
# END BLOCK META CRAWLERS