Since the arrival of modern pages in SharePoint lot of people in the community are asking about the unavailability of content by search web parts. This article explains how to take advantage of Highlighted content web part and create ootb search based solutions with an example of a most common problem - How to display a list of sub sites on a modern site page.
This article will also cover an important feature of using managed properties in the Filter and sort configuration settings of Highlight content web part.
Well it's quite simple with the combination of Highlight content web part and Search. First take a look at the below screenshot, where you can see 4 sub sites
In order to show these sub sites in modern pages, You need to follow these steps -
After the configuration is done then web part should show all the sub sites within the site collection. Here is the screenshot of 4 sub sites-
You can compare Highlight content web part with content by search web part and see few similarities-