Structured Data is now official, its not going anywhere because Google not only recommends site owners to use it, Google algorithms understand Structured Data found on websites.
What is Structured Data?
How to Add Schema Markup to WordPress
There are many plugins available on WordPress Plugin depository and you can also attempt to add schema.org markup manually as shown in this video below
Advanced Methods for Adding Schema Markup
I have created some samples for you to consider in Structured Data examples blog post. Got any questions? Comment below. Thank you for sharing this post with others.