knofte

Gravatar Alt Tags is a WordPress plugin designed to improve accessibility and SEO on your website. It automatically adds descriptive alt tags to Gravatar images based on the user’s display name. This feature aids screen readers and search engines by providing meaningful descriptions for Gravatar images.

Alt-Tags-for-Gravatar

A simple WordPress plugin that enhances website accessibility and SEO by adding alt tags to Gravatar images for post authors and commenters.

PiotrPress

Clearcode

This plugin adds the <code>[img]</code> shortcode which replaces the <code><img></code> html tag. It’s also enables adding new media to post/page via the ‘Add media’ button by automatically inserting the formatted shortcode code to the editor. 
You can simply add the <code>[img]</code> shortcode with a media ID to display:
<pre><code>[img 123 /]
</code></pre>
or a fully formatted <code>[img]</code> shortcode:
<pre><code>[img 123 align="center" size="full" caption="Sample text" title="Sample text" desc="Sample text" alt="Sample text" url="http://example.com/" /]
</code></pre>
It’s supports <code>srcset</code> and <code>sizes</code> parameters.
<h4>Tips & Tricks</h4>
You can use your own html template file for displaying the <code>img</code> tag by using filter:
<pre><code>add_filter( 'Clearcode\IMG_Shortcode\template', function() { return '/themes/clearcode.cc/templates/img.php'; } );
</code></pre>

CC-IMG-Shortcode

This plugin adds the [img] shortcode which replaces the `` html tag.

Alt-Tags-for-Gravatar vs CC-IMG-Shortcode