The main list could have dates and times and categories, so it's not just a dump of text links.
Each article could have a reasonably sized image or two without compromising the load speed.
Finally, a single "sponsored by" link could be included in the page to provide revenue via advertising.
It's insane that media companies feel that their sites need to be a bloated mess or barely there, and nothing in between.
Regardless, the fact that the URL isn't served via https is an indicator to me the this is a forgotten service and will eventually disappear the next time CNN does an overhaul of its web servers.