The about and mentions markups are Attributes of webpage schema which explicitly notify search engines like Google and Bing what subject areas a page is largely about and what other subjects are simply remaining described or referred to. I nest an “ImageObject” on the “article” schema, which targets the following https://infopagex.com/story4786073/helping-the-others-realize-the-advantages-of-seo-automatique-google-rich-snippets-json-ld-open-graph