Call the XML sections of your RSS feed that you want to display.
Example "Format Of The Posts"
%%CONTENT:ENCODED%%<br>
<b>Source: <a href="%%LINK%%">Example.com</a></b>
<span style="font-weight:400;font-size:11px;">Category: %%CATEGORY%%</span>
A respectful feed update interval would be 60 minutes. Possibly 120 minutes or even 180 minutes.
Also, your feed source should be RSS 2.0 format, not ATOM.
https://problogger.com/rss-vs-atom-whats-the-big-deal/There is a fun story behind the two. I believe it is here:
https://en.wikipedia.org/wiki/Atom_(Web_standard)#Atom_compared_to_RSS_2.0Additional reading here:
https://en.wikipedia.org/wiki/RSS