How do I embed one topic inside another?

[jasonwhat (Jason Wojo)]

I feel dumb asking, but I couldn’t find the answer in seach. I see users embedding one topic inside another and it gets a nice preview box that can be expanded to the full viewl. However, this doesn’t work when I try it on my own site. Is this a plugin or is there a special format for dropping the link in.

Apologies if this has be answered and I missed it.

[codinghorror (Jeff Atwood)]

Simply paste the link on a line by itself. This is called “oneboxing” and is covered in the welcome PM that every new user receives.

[dax (Daniela)]

Details here:

Rich link previews with Onebox

Onebox converts your web links into useful preview excerpts that help inform readers about the target before they click through. To create a onebox, simply paste any link into a post on a line by itself, like so: https://example.com/interesting-article Once you’ve pasted the link, behind the scenes, onebox visits the destination page and checks for Open Graph or oEmbed tags, including: site address title feature image description (mandatory) product price Please note that Discour…