Benefits of JSON-LD
Search engines use JSON-LD to include more attractive information about your assets in their results. The following are examples of presentations that Google applies when reading JSON-LD.
Rich results provide a preview of the entire asset directly inside search results.
Google aggregates product reviews from various sources, and summarizes them inside the search results.
Knowledge graph cards
Knowledge graph cards appear to the right of search results.
The following resources provide additional information about JSON-LD.