How do I insert part of a webpage?

Hi Community,

Say I'd like to include just the trending content from a webpage, such as the Atlassian community web page (https://community.atlassian.com/t5/Confluence/ct-p/confluence). What is the best way to do this?

So far I have used the iframe macro to insert the webpage itself, but would it be better to use the HTML macro instead with <iframe src="..."></iframe>?

The exact section on the webpage that I'd like to include is specified by a div. My HTML knowledge is greatly lacking and, despite some searching, I can't work out how to specify that's the part that I want to show in the iframe.

Can anyone point me in the right direction please?

Thanks everyone for your help.