regen

This plugin compresses javascript files and CSS files loaded by the theme or other plugins automatically. 
Extra spaces, lines, and comments will be deleted. 
The compressor is based on <a href="http://code.google.com/p/jscsscomp/" rel="nofollow ugc">jscsscomp</a>.
<h4>Features</h4>
<ul>
<li>Auto-compression for the blog header.</li>
<li>Template tags which provide javascript compression.</li>
<li>You can turn on/off compressions in the admin page.</li>
<li>Editable CSS compression condition.</li>
<li>You can select where to output scripts.</li>
<li>You can exclude scripts from the compression if necessary.</li>
</ul>

Script Compressor

This plugin compresses javascript files and css files.

iLovePDF

Get your images delivered quickly. Now you can get a powerful, easy to use, and reliable image compression plugin for your image optimization needs. With full automation and powerful features, iLoveIMG makes it easy to speed up your website by lightening past and new images with just a click. Compress JPG, PNG and GIF images in your WordPress to improve the positioning of your site, boost visitor’s engagement and ultimately increase sales.
Trust reliable developers. iLoveIMG Image Compressor is brought to you by the same developers of iLoveIMG.com, popular image editor trusted by millions.
If you are looking for the best image compression tool, iLoveIMG is your choice
<ul>
<li>Lossy compression – Gain maximum compression while keeping sharp images.</li>
<li>Auto-compression option – Every uploaded image to your media folder will be directly compressed.</li>
<li>Extensive coverage – Compress beyond the libraries. Optimize all the images on your site.</li>
<li>Bulk optimization – Batch compress all your images in a few seconds and get back to doing what you love.</li>
<li>Popular image formats supported – Compress JPG, PNG and GIF to ensure fast site navigation.</li>
<li>Resize Image feature – Set maximum width and height to scale down bigger images while being compressed.</li>
</ul>
Beyond the basics, iLoveIMG is a fully compatible and extendable image compression plugin
<ul>
<li>Improve on page SEO – Image load speed is an important factor in SEO. Get your images optimized for helping your site rank higher in search engines.</li>
<li>Watermark option available – Full Compatible with our next Watermarking plugin. Protect images from theft with a custom watermark.</li>
<li>Good for eCommerce – Works great for eCommerce websites using WooCommerce, NextGen Gallery and other plugins for e-commerce.</li>
<li>Security first – Your data is not stored nor collect on our services. We are GDPR compliant.</li>
<li>Robust and frequently updated</li>
<li>Freemium service – Freely up to 2500 credits per month. Need more? Subscribe our <a href="https://iloveapi.com/pricing" rel="nofollow ugc">Premium plan</a> or buy a <a href="https://iloveapi.com/pricing" rel="nofollow ugc">prepaid package</a> to use at your convenience.</li>
</ul>
iLoveIMG optimizes your visual assets to improve your page load speed, delivering high-quality images rescaled for every device. With a quick and easy installation, you can start enhancing the user experience of your site.

iLoveIMG

Works correctly. Useful tool. We have saved a lot of disk space!

great compression

Optimize your website images and improve your page load speed. Reduce the size of your photos and gain maximum compression while keeping sharp images.

Script Compressor vs iLoveIMG