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.

webdorado

10Web

<a href="https://10web.io/services/image-optimizer/" rel="nofollow ugc">Image Optimizer by 10web</a>
Images can drag down your website speed causing website visitors to flee in flocks. 10Web Image Optimizer plugin in here to save the day and your website. Our image compression plugin will save bandwidth and storage space and boost your website speed, effortlessly. 
Receive up to 50K image optimization per month and per-page image optimization for up to 6 page and 50K images to improve your bounce rate and SEO. With per-page image optimization you can optimize images of a specific page. You will no longer have to keep track of whether your page images are in your media library or another directory. The images on the selected page will be optimized through our per-page image compression technique. 
10Web Image Optimizer plugin offers three image optimization modes, including conservative, balanced, and extreme to ensure that your website receives the best possible image optimization catered to your website specifications.
Benefits
<ul>
<li>Up to 50K image compression and optimization</li>
<li>Per page image optimization</li>
<li>Maximum lossy/Extreme image compression</li>
<li>Resize images</li>
<li>Enhanced website speed</li>
<li>Improved SEO</li>
</ul>
What's in it 
The Image Optimizer resizes images, compresses, and optimizes images in formats, including PNG, JPG, GIF, WebP, and PDF, while preserving the high quality of your images.
Three modes of compression 
To ensure the best image compression and resizing of images, the 10Web image compressor offers 3 modes of compression. The modes include conservative, balanced, and extreme.
Resize image 
Resize images to save space and speed up your site. The 10Web image compression plugin allows resizing of image files by up to 80%, depending on the image and compression type.
WebP compression 
WebP compression is used by Image Optimizer to generate images that are smaller in size than those created by JPEG and PNG. As a result, WebP enables faster page loads while maintaining image quality.
Bulk optimization 
Image compression and optimization have never been easier. The 10Web Image Optimizer plugin enables bulk optimization of images. You can now optimize images in bulk with a single press of a button. 
To get the most of your image optimization, you can upgrade to 10Web Booster Pro plans and automatically optimize new images as they are uploaded to your website.
Reports and statistics 
The 10Web Image optimizer plugin provides reports and statistics on the number of images optimized, the number of images to be optimized, and the number of page images optimized. The size and number of resized images are also reported. Through this function, you can stay informed of your website’s image optimization status, including when the last optimization occurred and how much space you’ve saved as a result.

Image Optimizer by 10web – Image Optimizer and Compression plugin

Image Optimizer by 10Web optimizes and preserves image quality. Improve your website speed, bounce rate, and SEO with Image Optimizer.

Script Compressor vs Image Optimizer by 10web – Image Optimizer and Compression plugin