DX Webp Picture Tag Image Wrapper filters the content and replaces the img tags with picture tags by adding two sources – one with the image followed by .webp extension and one with the original image.
The plugin supports jpg, jpeg and png formats
Your site needs to support Webp images
DX Webp Picture Tag Image Wrapper resolves the issue with Accept header on Safari that doesn’t include the webp format. Using the picture tag allows the browser to render Webp images, if they are supported, without relying on that header
This plugin is available for download to be used on your WordPress self-hosted installation.