Statistics say that WebP format can save over a half of the page weight without losing images quality.Convert PNG, JPG and GIF images to WebP and speed up your web, save visitors download data, make your Google ranking better.
automated test after plugin activation to make sure it will work on your serverworks with all types of WordPress installations: domain, subdomain, subdirectory, multisite/networkworks on Apache and NGiNXimage URL will be not changed so it works everywhere, insrc, srcset, , even in CSS backgrounds and there is no problem with cacheoriginal files will be not touchedset quality of converted imagesauto convert on uploadonly convert image if WebP filesize is lower than original image filesizebulk convert existing images to WebP ( you can choose folders )bulk convert only missing imagesworks with `Fly Dynamic Image Resizer` pluginHooks for developersitw_extensionsMaybe you want to support also less famous JPEG extension like jpe, jfif or jif
add_filter( 'itw_extensions', 'extra_itw_extensions', 10, 1 );function extra_itw_extensions( $extensions ){$extensions[] = 'jpe';$extensions[] = 'jfif';$extensions[] = 'jif';return $extensions;}itw_sizesMaybe you want to disable WebP for thumbnails
add_filter( 'itw_sizes', 'disable_itw_sizes', 10, 2 );function disable_itw_sizes( $sizes, $attachmentId ){unset( $sizes['thumbnail'] );return $sizes;}itw_htaccessMaybe you want to modify htaccess rules somehow
add_filter( 'itw_htaccess', 'modify_itw_htaccess', 10, 2 );function modify_itw_htaccess( $rewrite_rules ){// do some magic herereturn $rewrite_rules;}itw_abspathMaybe you use roots.io/bedrock or other custom folder structure
add_filter( 'itw_abspath', 'modify_itw_abspath', 10, 2 );function modify_itw_abspath( $abspath ){return trailingslashit( WP_CONTENT_DIR );}$images_to_webp->convert_image()Maybe you want to automatically generate WebP for other plugins
add_action( 'XXPLUGIN_image_created', 'XX_images_to_webp', 10, 2 );function XX_images_to_webp( $image_path ){global $images_to_webp;$images_to_webp->convert_image( $image_path );}