Kumbh Design Inc.

<p>You can set meta tags like keyword, description. You can customize on each individual page/post as well.</p>
<h3>Features</h3>
<ul>
<li>FREE Plugin.</li>
<li>One click to Install.</li>
<li>Simple and Easy to Use</li>
<li>Do not need to edit your theme’s core files.</li>
<li>Quick and supportive.</li>
</ul>


WP Simple Meta Tags

Allows you to set meta tags like keyword, description and you can customize on each individual page/post.

JS Morisset

<p></p>
<p><strong>Extends the WordPress REST API post, term, and user query results:</strong></p>
<ul>
<li>The <code>html</code> array includes HTML formatted meta tags and Schema JSON-LD (aka LD+JSON) scripts, as they appear in the webpage head section.</li>
<li>The <code>json</code> array provides Schema JSON-LD (aka LD+JSON) scripts in their decoded format.</li>
<li>The <code>parts</code> array offers meta tag attributes (aka “the parts”) as arrays, making it easier to find and use specific meta tag values.</li>
</ul>
<p>There is no add-on settings page for this plugin – simply install and activate the plugin.</p>
<p></p>
<h3>WPSSO Core Required</h3>
<p>WPSSO REST API is an add-on for the <a href="https://wordpress.org/plugins/wpsso/" rel="ugc">WPSSO Core plugin</a>, which creates extensive and complete structured data to present your content at its best for social sites and search results – no matter how URLs are shared, reshared, messaged, posted, embedded, or crawled.</p>

WPSSO REST API

Extends the WordPress REST API post, term, and user query results with an array of meta tags and Schema JSON-LD markup.

WP Simple Meta Tags vs WPSSO REST API