A short video on how to send a manual webmention to a WordPress site that's using the Webmention plugin.
WordPress sites also have a separate visual endpoint that can be used manually. They’re typically found at
http://example.com/wp-json/webmention/1.0/endpoint.
Other manual methods for both WordPress-based and non-WordPress sites include:
http://sendawebmention.com
http://mention-tech.appspot.com/
