Not sure if this has been asked or not. Hard to search for keywords regarding this.
Certain URL’s I include in a post turns up with a digest format in a box with descriptions etc., such as:
Notice that meta.discourse.org here doesn’t seem to generate the digest, but my installation does.
Other URL’s do not generate such digest boxes and remain a simple link:
Is the something a website must do in order for the digest box to show up?
