mborgelt

51Blocks JSON Schema Creator allows business owners to add schema markup to a single page or entire site without outputting the markup on the actual site. This tool also makes it very easy to validate your markup against Google Structure data testing tool
Schema is the result of collaboration between Google, Bing, Yandex, and Yahoo! to help you provide the information their search engines need to understand your content and provide the best search results possible at this time.

51Blocks JSON Schema Generator

51Blocks JSON Schema Creator allows business owners to add schema markup to a single page or entire site.

darrinb

Easily include raw markup languages (HTML, CSS, PHP, etc.) in posts using custom quicktags. No need to encode, the filter does it 
for you. Creates convenient “encode” buttons for post authors in the HTML editor.

51Blocks JSON Schema Generator vs WP Post Encode