Nashwan D

<p>Article JSON-LD is an extendable and straightforward solution to enhance your site SEO by adding Schema.org microdata as a JSON-LD script on your site posts.</p>
<p>It will automatically insert the JSON-LD script in your site <code><head></code> tag by using the standard information provided by WordPress, such as the title, description, featured image, publish date, author, categories..etc.</p>
<p>You can support your custom post types or modify the data easily by using the plugin’s hooks.</p>
<h4>Custom-Post-Types Support</h4>
<p>By default, the plugin supports the <code>post</code> post-type. Add support for other custom-post-types using a code snippet as the example below:</p>
<pre><code>add_action('init', 'add_article_json_ld_post_type_support', 15);

/**
 * @return void
 */
function add_article_json_ld_post_type_support()
{
    add_post_type_support('custom-post-type', 'article-json-ld');
}
</code></pre>
<p>You can use <a href="https://wordpress.org/plugins/code-snippets" rel="ugc">Code Snippets</a> plugin to add the code snippets to your site.</p>
<p>An active demo is available on <a href="https://www.arageek.com/" rel="nofollow ugc">Arageek</a> articles.</p>
<h4>Plugin’s Hooks</h4>
<ul>
<li><code>ArticleJsonLd\post_json_ld_data</code> A filter for a post JSON-LD data.</li>
<li><code>ArticleJsonLd\post_author_json_ld_data</code> A filter for a post author JSON-LD data.</li>
<li><code>ArticleJsonLd\post_publisher_json_ld_data</code> A filter for a post publisher JSON-LD data.</li>
</ul>
<h4>Contributing</h4>
<p>Developers can contribute to the source code on the <a href="https://github.com/nash-ye/wp-article-json-ld" rel="nofollow ugc">Github Repository</a>.</p>


Article JSON-LD

A straightforward solution to add Schema.org microdata as a JSON-LD script on your site posts.

zeko3991

<p>Wikidata References will add a new field to tags and categories for adding a Wikidata Item ID to which tags and categories terms will be associated to.</p>
<p>Also it will provide the site admin the option to add a link to those associated Wikidata items to the head metadata section, or to the tag/category archive title.</p>
<p>User will also have the option to frame tag and categories archive pages links into a Schema.org<br />
microformat.</p>
<p>This plugin was developed under the requisites of a Wikimedia phabricator request at<br />
<a href="https://phabricator.wikimedia.org/T138371" rel="nofollow ugc">https://phabricator.wikimedia.org/T138371</a></p>


Wikidata References for WordPress

Really liked this plugin. Useful. Doesn't add unnecessary taxonomies. Would be interested in seeing what other features it could add. Authors with Wikipedia pages or Wikidata entries could be linked as well from their profiles. 

One of the few plugins that seems to get the core idea really well.

Very excellent

Wikidata References is a plugin developed to help WordPress users to add associations among the tags and categories they use in this WordPress website …

Article JSON-LD vs Wikidata References for WordPress