How does WPSSO Core find and select videos?

Provided you are using the WPSSO Core Premium edition (video detection modules are not available in the WPSSO Core Standard version), videos from Facebook, SlideShare, Soundcloud, Vimeo, Wistia, the WP Video Block, the WP Video Shortcode, and YouTube will be detected automatically from the following locations:

1. A video entered in a theme or plugin custom field defined under the SSO > Advanced Settings > Attributes and Metadata > Custom Fields > Video Embed HTML Custom Field or Video URL Custom Field options.
2. A video entered in the Document SSO metabox Video Embed HTML or Video URL options.
3. Embedded video HTML in your post / page content using the WP video shortcode.
4. Embedded videos uses a <figure>, <iframe>, or <embed> container.