You can load FB buttons and stuff without affecting your site at all, even if FB has DNS issues or is blocked by a firewall https://www.facebook.com/note.php?no

You can load FB buttons and stuff without affecting your site at all, even if FB has DNS issues or is blocked by a firewall https://www.facebook.com/note.php?note_id=10151176218703920 https://www.facebook.com/note.php?note_id=10151176218703920 You load the JS SDK using the "fif" pattern. If it fails to load, none of the tags like <fb:like> etc get replaced by iframes, so no errors on the page. `DOMContentLoaded` and `onload` on your page fire as usual. It's as if the site doesn't even use FB widgets