The wp-webp Plugin gives your site the ability to show images in WebP format using webpjs….
Version – 0.2
Credits: Thanks to Dominik Homberger who developed the grep WebPJS (http://webpjs.appspot.com/) which is included in the subdir webpjs
- Unzip the package
- Upload the wp-webp directory to your plugins folder
- Activate the plugin on the plugin screen.
- Optional: Go to general settings to set options or simply install it via the WordPress Plugin dialog
Detail Here: – http://wordpress.org/extend/plugins/wp-webp/