Edit file File name : module.php Content :<?php namespace Elementor\Modules\PerformanceLab; use Elementor\Core\Base\Module as BaseModule; use Elementor\Plugin; if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly } class Module extends BaseModule { const PERFORMANCE_LAB_FUNCTION_NAME = 'webp_uploads_img_tag_update_mime_type'; const PERFORMANCE_LAB_OPTION_NAME = 'site-health/webp-support'; public function get_name() { return 'performance-lab'; } private function is_performance_lab_is_active() { if ( function_exists( self::PERFORMANCE_LAB_FUNCTION_NAME ) ) { $perflab_modules_settings = get_option( self::PERFORMANCE_LAB_OPTION_NAME, [] ); if ( isset( $perflab_modules_settings ) && isset( $perflab_modules_settings[ self::PERFORMANCE_LAB_OPTION_NAME ] ) && '1' === $perflab_modules_settings[ self::PERFORMANCE_LAB_OPTION_NAME ]['enabled'] ) { return true; } } return false; } private function performance_lab_get_webp_src( $attachment_id, $size, $url ) { $image_object = wp_get_attachment_image_src( $attachment_id, $size ); $image_src = call_user_func( self::PERFORMANCE_LAB_FUNCTION_NAME, $image_object[0], 'webp', $attachment_id ); if ( ! empty( $image_src ) ) { return $image_src; } return $url; } private function replace_css_with_webp( $value, $css_property, $matches ) { if ( 0 === strpos( $css_property, 'background-image' ) && '{{URL}}' === $matches[0] ) { $value['url'] = $this->performance_lab_get_webp_src( $value['id'], 'full', $value['url'] ); } return $value; } public function __construct() { parent::__construct(); if ( $this->is_performance_lab_is_active() ) { add_filter( 'elementor/files/css/property', function( $value, $css_property, $matches ) { return $this->replace_css_with_webp( $value, $css_property, $matches ); }, 10, 3 ); } } } Save