via wp-rocket.me => original post link
Are you wondering how to use WebP on WordPress and how to convert your current images in the WordPress library? You’ve come to the right place!
If you run a web performance on PageSpeed Insights, you may see the recommendation to serve images in next-gen formats to boost performance. Google is telling you to forget about JPEG and PNG and focus your image optimization efforts on image formats like WebP.
Google’s recommendation: Serve images in next-gen formats – Source: PageSpeed Insights