WooCommerce loads all its JavaScript and CSS files on every single page of your website. Even where they are not needed. This makes your website unnecessarily slow. The following code will help you avoid that. It loads the files only on pages like: store, product, checkout, shopping cart.
if (!function_exists( 'evolution_manage_woocommerce_styles' ) ) :
/**
* Optimize WooCommerce Scripts
* Removes WooCommerce styles and scripts from non WooCommerce pages.
*/
function evolution_manage_woocommerce_styles() {
//first check that woo exists to prevent fatal errors
if ( function_exists( 'is_woocommerce' ) ) {
//dequeue scripts and styles
if ( ! is_woocommerce() && ! is_cart() && ! is_checkout() && ! is_account_page() ) {
wp_dequeue_style( 'woocommerce-layout' );
wp_dequeue_style( 'woocommerce-smallscreen' );
wp_dequeue_style( 'woocommerce-general' );
wp_dequeue_style( 'evolution-woostyles' );
wp_dequeue_script( 'wc_price_slider' );
wp_dequeue_script( 'wc-single-product' );
wp_dequeue_script( 'wc-add-to-cart' );
wp_dequeue_script( 'wc-cart-fragments' );
wp_dequeue_script( 'wc-checkout' );
wp_dequeue_script( 'wc-add-to-cart-variation' );
wp_dequeue_script( 'wc-single-product' );
wp_dequeue_script( 'wc-cart' );
wp_dequeue_script( 'wc-chosen' );
wp_dequeue_script( 'woocommerce' );
wp_dequeue_script( 'prettyPhoto' );
wp_dequeue_script( 'prettyPhoto-init' );
wp_dequeue_script( 'jquery-blockui' );
wp_dequeue_script( 'jquery-placeholder' );
wp_dequeue_script( 'fancybox' );
wp_dequeue_script( 'jqueryui' );
}
}
}
add_action( 'wp_enqueue_scripts', 'evolution_manage_woocommerce_styles', 99 );
endif;