WordPress Opti MozJpeg Guetzli WebP - is the FREE plugin for high quality image optimization in WordPress website. It was created to meet latest requirements of Google Pagespeed Insights. Google will "like" all your images after using this plugin, and you will expend $0 for that.
WordPress Veloce increases WordPress page load speed to get a higher score on the speed testing services like Google PageSpeed Insights, Gtmetrix, Pingdom etc.