From the article: "In a nutshell, the shortcut uses the user's input (a chord symbol) to construct a url to a chord search result page on JGuitar.com and then l

From the article: "In a nutshell, the shortcut uses the user's input (a chord symbol) to construct a url to a chord search result page on JGuitar.com and then looks for 200x200px chord diagram images on that page and shows them to the user. The rest of the web page isn't shown." This is different from linking. With links you see the whole web page. I haven't used the shortcuts app and don't know how obvious the source of the info is. It seems the article author had to dig into the shortcut configuration to find a reference to his site.