Sami Ahmed Siddiqui

<p>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.</p>
<p>This plugin helps:</p>
<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.

KEDA

<p>Tags added to the writing module with this plugin:<br />
<article>, <section>, <header>, <footer>, <aside>, <canvas>, <video>, <audio>, <source>, <hgroup>, <figure>, <figcaption></p>
<p>Want more tags? email kenneth@nordahl.me with suggestions</p>


HTML5ify for WP

This is a plugin for wordpress that add html5 markup to your wordpress writing module.

JSON Structuring Markup vs HTML5ify for WP