JSON-LD is your credentials on the Web. What this means and how Structured Data can help you?
Linked Data JSON-LD is a way to create a network of standards-based machine-interpretable data across different documents and Web sites or Folders in your Server. The JSON-LD you show to google the exact path to the user search query content related to your website. Adding the code on the Element showing single or phrase match keyword on the page you want to rank. For Example, if you have a few FAQs Important and related to the topic you want to rank in the SERP to get a better ranking obviously you simple need to add the FAQPage JSON-LD Schema Markup Code on the Exact place where the faq is code on your page. Elements in the content related to the Rich Snippet Type and its code need to be wrapped in the same place the code is itself in the Web page Structure.
This way you will prevent crawlers to not get lost in your content executed in your code as a post, page, or any type of page
Some Interesting Data to Look for different types of JSON-LD types to implement in your code