ShortPixel

A freemium, easy to use, comprehensive, stable and frequently updated image compression plugin supported by the friendly team that created it. ShortPixel is an easy to use, lightweight, install-and-forget-about-it image optimization plugin that can compress all your past images and PDF documents with a single click. New images are automatically resized/rescaled and optimized on the fly, in the background. It’s also compatible with any gallery, slider or ecommerce plugin.