Use Font Awesome icons from your own host/server. Update the latest releases from GitHub.
Choose the major version and install the latest minor version. For example: Choose major version 6, and install the latest of 6.x.xx. 
Currently supported for version 4, 5, 6, 7.
This plugin did not use CDN (content delivery network). If you want to use CDN, please use official Font Awesome plugin instead.
You can dequeue duplicated Font Awesome handles from other plugins or themes to prevent conflict.
You can disable enqueue from this plugin in case you would like to do it manually. 
To get asset files for manually enqueue, use this code.
<pre>
if (function_exists('rdfontawesome_get_enqueue_files')) {
 $result = rdfontawesome_get_enqueue_files();
 if (isset($result['css']) && is_array($result['css'])) {
 $faVersion = ($result['faVersion'] ?? false);
 foreach ($result['css'] as $css) {
 wp_enqueue_style('myplugin_fontawesome', $css, [], $faVersion);
 }
 unset($css, $faVersion);
 }
}
</pre>
To get URL base of the Font Awesome assets for use another files, use this code.
<pre>
if (function_exists('rdfontawesome_get_public_url_base')) {
 echo rdfontawesome_get_public_url_base();
}
</pre>
Font Awesome files are belong to https://fontawesome.com

Rundiz Font Awesome

Use Font Awesome from your host and update from GitHub.

seothemes

Icon Widget creates a new WordPress widget that displays an icon, title and description. Select the size, color and text-alignment with easy to use dropdown options.
<h4>Icon Fonts Included</h4>
<ul>
<li>Font Awesome 4 & 5</li>
<li>Line Awesome</li>
<li>Ionicons</li>
<li>Streamline Icons</li>
<li>ET Line Icons 
More coming soon. We are open to suggestions.</li>
</ul>
<h4>Shortcode Usage</h4>
Since 1.0.6 you can now use the <code>icon_widget</code> shortcode. Below is a list of available attributes with their default values:
<ul>
<li>classes => ‘icon-widget’</li>
<li>title => ‘Icon Widget’</li>
<li>content => ‘Add a short description.’</li>
<li>icon => ‘fa-star’</li>
<li>weight => ‘600’</li>
<li>size => ‘2x’</li>
<li>align => ‘center’</li>
<li>color => ‘#333333’</li>
<li>bg => ”</li>
<li>padding => ”</li>
<li>radius => ”</li>
<li>heading => ‘h4’</li>
<li>break => ‘<code> </code>‘</li>
</ul>
Here is an example of the icon widget shortcode using all available parameters:
<pre><code>[icon_widget classes="icon-widget" title="Icon Widget" content="Add a short description" icon="fa-star" weight="600" size="2x" align="center" color="#fff" bg="#333" padding="30" radius="30" heading="h4" break=" "]
</code></pre>

Icon Widget

This works great and saves a lot of time. Easy for clients to manage.

Works Great!

Display an icon, title and description with a widget or a shortcode.

Rundiz Font Awesome vs Icon Widget