OpenGraph.io
Open Graph metadata extractor for link preview generation
About this crawler
OpenGraph.io is a web crawler identified by the regular-expression pattern OpenGraph\.io\/ in the User-Agent request header. It is categorised as social-preview. Use the regex above to detect, log, allow, or block OpenGraph.io traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- OpenGraph.io
- Pattern
OpenGraph\.io\/- Tags
- social-preview
- Reference
- https://www.opengraph.io/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; OpenGraph.io/1.1; +https://opengraph.io/ AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36
Block this crawler
robots.txt — disallow OpenGraph.io:
User-agent: OpenGraph.io
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} OpenGraph\.io\/ [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "OpenGraph\\.io\\/") {
return 403;
}
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