Beau Lebens

Allows you to use a shortcode in your Posts and Pages to embed a Gravatar quickly and easily just using an email address.
<h3>Options</h3>
In addition to email=””, you can also include the following attributes within the shortcode for extra formatting etc:
See http://dentedreality.com.au/projects/wp-plugin-gravatar-shortcode/ for more examples.
<ul>
<li>email: the email address to display the Gravatar for</li>
<li>size: a number (e.g. 60) representing the pixel size of the Gravatar to display (they are square)</li>
<li>rating: a letter restricting the maxiumum rating of Gravatar to display (g, pg, r, x)</li>
<li>default: the default image to use if there isn’t one associated with this email address (otherwise it will use the Gravatar.com default)</li>
<li>alt: the “alt” attribute to apply to the img tag produced</li>
<li>title: title attribute for the img tag</li>
<li>align: align attribute for the img, should be left, right, absmiddle, baseline etc</li>
<li>style: custom style attribute (e.g. ‘margin: 5px; border: solid 1px #000;’)</li>
<li>class: add a class to the img tag</li>
<li>id: add an id to the img tag for specific styling/DOM manipulation.</li>
<li>border: adjust the border attribute for the img</li>
</ul>

Gravatar Shortcode

Allows you to use a shortcode in your Posts and Pages to embed a Gravatar quickly and easily just using an email address.

FolioVision

There’s one problem with Gravatars. They are very slow to load. Each page with comments on them makes one call per comment to the Gravatar server. While a single call takes only a 100ms, on a page with hundreds of comments, we are talking about major slowdowns. Page loads can take 20 seconds and more.
This plugin solves this problem by:
<ul>
<li>
caching gravatars with WordPress cron job..
</li>
<li>
caching gravatars on comment submission
</li>
<li>
maintaining a single copy of the default gravatar instead of downloading it again and again for all the email addresses with no gravatar associtated
</li>
</ul>
<a href="http://foliovision.com/seo-tools/wordpress/plugins/fv-gravatar-cache/installation" rel="nofollow ugc">Installation guide</a>
<a href="http://foliovision.com/seo-tools/wordpress/plugins/fv-gravatar-cache" rel="nofollow ugc">Support and more information</a>

FV Gravatar Cache

I deactivated plugin but still contains elements in Database

Database Junk

Speeds up your website by making sure the gravatars are stored on your website and not loading from the gravatar server.

Gravatar Shortcode vs FV Gravatar Cache