Sami Ahmed Siddiqui

Search engines such as Google are using structured data markup in many ways—for example, to create rich snippets in search results. Search results with rich snippets will improve your click through rates and increase the number of visitors on your website.
This plugin helps:
<ul>
<li>Helps your site to earn rich snippets in Google’s SERP.</li>
<li>Does not depend on other plugins or external code.</li>
<li>You can configure the plugin from the settings page.</li>
<li>You can activate schema’s according to your requirement. Multiple schema types are available.</li>
</ul>

JSON Structuring Markup

JSON Structuring markup is simply the easiest solution to add valid schema.org as a JSON script in the head of posts and pages.

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.

JSON Structuring Markup vs 51Blocks JSON Schema Generator