cleancoded

This plugin cleans and optimizes WordPress code for improved website performance and faster page load times. Whether you’re using a custom child theme or a marketplace theme template, this plugin will clean the code and improve performance.
It adds a variety of site-wide optimization options to the WordPress backend:
<ul>
<li>Disable emojis</li>
<li>Disable embeds</li>
<li>Remove query strings</li>
<li>Disable XML-RPC</li>
<li>Remote jQuery Migrate </li>
<li>Hide WP Version</li>
<li>Remove the wlwmanifest link</li>
<li>Remove the RSD link</li>
<li>Remove the shortlink tag</li>
<li>Disable RSS feeds</li>
<li>Disable RSS feed links</li>
<li>Disable self pingbacks</li>
<li>Remove REST API links</li>
<li>Disable dashicons</li>
<li>Disable Google Maps</li>
<li>Disable Heartbeat</li>
<li>Update Heartbeat frequency</li>
<li>Limit/disable post revisions</li>
<li>Update autosave frequency</li>
<li>Change the login URL</li>
</ul>
WooCommerce optimization options:
<ul>
<li>Diable scripts except on product, cart and checkout pages</li>
<li>Disable cart fragmentation</li>
<li>Disable the status meta box</li>
<li>Disable widgets</li>
</ul>
The plugin also offers CDN rewrite support, a script manager to disable CSS/JS on a page-by-page basis, DNS prefetch and preconnect support, as well as backend accessibility mode.
<h3>Roadmap</h3>
<ul>
<li>Lazy load images</li>
<li>HTTP/2 server push</li>
<li>Sync Google Analytics locally</li>
<li>Delete expired transients</li>
<li>WordPress menu cache</li>
<li>Parse and remove all HTML comments in source code</li>
<li>Disable blog (comments, categories, tags, etc.)</li>
<li>Minify HTML/JS/CSS</li>
<li>Disable Google Fonts</li>
<li>Disable comments globally</li>
<li>White label for marketing agencies</li>
</ul>

Code Cleaner

Code Cleaner cleans and optimizes WordPress code for improved website performance and faster page load times.

nicearma

<h4>DEPRECATED</h4>
This plugin is not longer maintained, you can see the new dev at https://wordpress.org/plugins/ultimate-media-cleaner/
I will wait a little for to delete this repository
Now the plugin can be translated, please help me to do it
DNUI (Delete Not Used Image) will search images from the database and try to find it on every Post and Page, if one image has one reference in this either post or page, the plugin will tell you that the image is used.
The version 2.0 is one big remake of this plugin, all the code have changed, now the code work by Rest Service and use AngularJS (not more the BackboneJS)
The update from the 1.x to the 2.0 is automatic, the only problem is that you will lost the backup folder and all backups made from the version 1.x
This plugin use:
<ul>
<li>AngularJS 1.5.8 core, resource and animate</li>
<li>Angular UI </li>
<li>Bootstrap</li>
</ul>
This version can search if the image is used at:
<ul>
<li>Excerpt (reference image or shortcode)</li>
<li>Publish Post/Page (reference image or shortcode)</li>
<li>Draft/Revesion Post/Page (reference image or shortcode)</li>
<li>Shortcodes (include gallery)</li>
</ul>
Translation:
<ul>
<li>Spanish</li>
</ul>
You can found the <a href="https://apps.nicearma.com/product/dnui-delete-not-used-image-pro/" rel="nofollow ugc">DNUI PRO VERSION</a> if you need more useful features, like compatibility with WooCommerce
If you need search all type of file or search from you upload folder try <a href="https://es.wordpress.org/plugins/cuf-cleanup-upload-folder/" rel="nofollow ugc">CUF</a>
Github at <a href="https://github.com/nicearma/dnui" rel="nofollow ugc">DNUI</a>

DNUI

Search image from the database and delete all unused images making space in your server…

Code Cleaner vs DNUI