Milan Dinić

<p><a href="http://blog.milandinic.com/wordpress/plugins/gravatar-signup-encouragement/" rel="nofollow ugc">Plugin homepage</a> | <a href="http://blog.milandinic.com/" rel="nofollow ugc">Plugin author</a> | <a href="http://blog.milandinic.com/donate/" rel="nofollow ugc">Donate</a></p>
<p>This plugin shows a message with link to signup page of Gravatar (pre-filled with e-mail address) to commenters and/or users who don’t have gravatar.</p>
<p>Message can be shown to:</p>
<ul>
<li>unregistered commenters when they leave text input field for e-mail address</li>
<li>registered commenters to whom their registered e-mail address is checked</li>
<li>unregistered commenters after they post a comment in a dialog, to whom their entered e-mail address is checked</li>
<li>registered commenters after they post a comment in a dialog, to whom their registered e-mail address is checked</li>
<li>registered users in administration notices, to whom their registered e-mail address is checked</li>
<li>registered users in admin bar, to whom their registered e-mail address is checked</li>
<li>registered users on their profile page, to whom their registered e-mail address is checked</li>
<li>users who fill registration form when they leave text input field for e-mail address</li>
</ul>
<p>Options are fully customizable. See FAQ for more information.</p>
<p>This plugin is lightweight, it adds only one field in database which is deleted if you uninstall plugin using WordPress’ built-in feature for deletion of plugins. Also it will only load jQuery file to head of your page if it wasn’t already loaded by theme or other plugin(s). Checks for gravatar are done via simple AJAX.<br />
If you want to speed up your web site and save on bandwidth and server resources, it is recommended that you also install plugin <a href="http://jasonpenney.net/wordpress-plugins/use-google-libraries/" rel="nofollow ugc">Use Google Libraries</a> which will load jQuery file from <a href="http://code.google.com/apis/ajaxlibs/" rel="nofollow ugc">Google AJAX Libraries</a>.</p>
<p>In order to plugin works, it needs to be on server with PHP 5 and on WordPress 2.8 or above.</p>
<p><span class="embed-youtube" style="text-align:center; display: block;"><iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/eIvm4rBkxPk?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&cc_load_policy=1&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe></span></p>


Gravatar Signup Encouragement

Shows a message with link to Gravatar's signup page to commenters and/or users without gravatar.

Robert Chapin

<p>Automatically replaces the standard resolution Gravatars with HiDPI (Retina) Gravatars using HTML (when supported) or Javascript (as needed).</p>
<p>You need this plugin if you want blog comments to look crisp and clear on Retina, HD, and similar devices!</p>
<p>You need this plugin if you want compatibility with all web browsers.  The HiDPI features added in WordPress 4.2 are not compatible with older browsers, unless you have this plugin activated.  The included Javascript helps make your website look the same in new and old browsers.</p>
<h3>Theme Requirements</h3>
<p>You may not omit the <a href="https://codex.wordpress.org/Function_Reference/wp_head" rel="nofollow ugc">wp_head</a> and <a href="https://codex.wordpress.org/Function_Reference/wp_footer" rel="nofollow ugc">wp_footer</a> template tags for this plugin to work correctly.</p>
<h3>Cache Compatibility</h3>
<p>HiDPI Gravatars is designed to be fully compatible with page caching plugins such as WP Super Cache.</p>
<p>Pages that were cached prior to activating HiDPI Gravatars will need to be refreshed.  Empty the cache to make sure the new Gravatars will appear.</p>
<p>HiDPI Gravatars is <em>not</em> compatible with any Gravatar caching plugins.</p>
<h3>Other Gravatar Plugins</h3>
<p>HiDPI Gravatars might not detect customized Gravatar functions in other plugins.  As of version 1.4, HiDPI Gravatars relies on the WordPress <a href="https://codex.wordpress.org/Function_Reference/get_avatar" rel="nofollow ugc">get_avatar</a> filter.  Custom avatar generators that avoid or disable this filter will be ignored by HiDPI Gravatars.</p>


HiDPI Gravatars

Enables high resolution Gravatar images on any browser that supports them.

Gravatar Signup Encouragement vs HiDPI Gravatars