Facebook Open Graph Preview
See how your link appears when shared on Facebook
Preview
This page doesn't have Open Graph meta tags, so it won't display a rich preview when shared on Facebook.
google.com
Google Advanced Search
Connect your site to OpenGraph+
Add rich Open Graph previews to your site so links look great when shared on Facebook and other platforms.
Connect Your Site →Page request
When you share a link on Facebook, it sends a server-side request, not a browser, to fetch the page's HTML and read the meta tags. This is the request it makes.
curl -vL \ -H 'User-Agent: facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)' \ -H 'Accept: */*' \ -H 'Accept-Encoding: deflate, gzip' \ 'http://google.com/advanced_search?hl=en&authuser=0'