public static function register_scripts() {
		self::$scripts_registered = true;

		wp_register_script( 'mobile-detect', self::$js_url . 'vendor/mobile-detect.min.js', null, '1.3.3', true );
		wp_register_script( 'iframe-resizer', self::$js_url . 'vendor/iframeResizer.min.js', array( 'jquery' ) );

		if ( PUM_AssetCache::enabled() && false !== self::$cache_url ) {
			$cached = get_option( 'pum-has-cached-js' );

			if ( ! $cached || self::$debug ) {
				PUM_AssetCache::cache_js();
				$cached = get_option( 'pum-has-cached-js' );
			}


			wp_register_script( 'popup-maker-site', self::$cache_url . '/' . PUM_AssetCache::generate_cache_filename( 'pum-site-scripts' ) . '.js?defer&generated=' . $cached, array(
				'jquery',
				'jquery-ui-core',
				'jquery-ui-position',
			), Popup_Maker::$VER, true );
		} else {
			wp_register_script( 'popup-maker-site', self::$js_url . 'site' . self::$suffix . '.js?defer', array(
				'jquery',
				'jquery-ui-core',
				'jquery-ui-position',
			), Popup_Maker::$VER, true );
		}


		if ( popmake_get_option( 'enable_easy_modal_compatibility_mode', false ) ) {
			wp_register_script( 'popup-maker-easy-modal-importer-site', self::$js_url . 'popup-maker-easy-modal-importer-site' . self::$suffix . '?defer', array( 'popup-maker-site' ), POPMAKE_VERSION, true );
		}

		self::localize_scripts();
	}