Google Structured Data is now integrated with the DJ Classifieds component and enables you to add Structured Data and specifically the Product Content-Type to DJ Classifieds pages.
DJ-Classifieds is included in the list of the available integrations, which can be found at the component's backup at configuration options (Integrations tab).
After selecting the "Product Content Type" and the DJ Classifieds Integration, you'll be able to:
The structured data will be generated on all DJ-Classifieds products by default. But you can also use the available Publishing Rules to target specific pages, including DJ Classifieds products only or all products assigned to specific DJ Classifieds categories.
All ratings and reviews of DJ-Classifieds items can be also automatically added to the generated structured data. Integration with DJ-Reviews only works when the component is used along with DJ-Classifieds as its integral part.
It should be mentioned that in 2019 integration with DJ-Catalog2 Joomla directory and eCommerce extension was added. Google Structured Data works with the DJ Catalog component and its products.
This integration works in a similar way as it was described above for DJ-Classifieds example.
You can learn more here: How to add Structured Data to DJ-Catalog2