What is the best image Optimizer plugin for WordPress?

1: SEO image optimizer

This makes your image SEO friendly. This plugin adds title and alt tags to your images without affecting your site's database. Apart from this, the plugin also resizes and compresses images and increases the loading speed of your site.

2: ShortPixel Image Optimizer

ShortPixel is a very good and lightweight Image Optimizer plugin that improves your website page load time by optimizing images or PDF documents. If you want to increase the compression limit then you will need to upgrade.

3: EWWW Image Optimizer

EWWW Image Optimizer is a very popular and well rated image optimizer plugin. This plugin automatically optimizes the new images uploaded. Also optimizes your old uploaded images. It is available in both free and premium versions.

4: Smush Image Compression and Optimization

WP Smush is the most popular image optimizer plugin for WordPress site. When you upload images to your site, it automatically compresses the size of the image. With its help, you can also compress and optimize your old images.