We recently deployed a feature on our website personalization engine that can select Drupal blocks based on the visitors. The Drupal part of this feature is implemented using the block_field.
This article illustrates how we have implemented the FAQ structured markup using Drupal's data modelling capabilities and got the result with in a few days on SERP
Drupal, a market leader in open source CMS offers flexible architecture, fast implementation, scalability, and a host of other features. Here is a list of top Drupal 9 Security Modules