When you have WooCommerce installed it by default loads its scripts and styles on every page of your WordPress site. This is definitely not great for performance.
Use the code below and paste it on your theme’s function.php file. If you have your WooCommerce Shop same installation as your website blog and pages, this will disable WooCommerce Styles and Scripts except from shop pages.
/**
* Disable All WooCommerce Styles and Scripts Except Shop Pages
*/
add_action( 'wp_enqueue_scripts', 'dequeue_woocommerce_styles_scripts', 99 );
function dequeue_woocommerce_styles_scripts() {
if ( function_exists( 'is_woocommerce' ) ) {
if ( ! is_woocommerce() && ! is_cart() && ! is_checkout() ) {
# Styles
wp_dequeue_style( 'woocommerce-general' );
wp_dequeue_style( 'woocommerce-layout' );
wp_dequeue_style( 'woocommerce-smallscreen' );
wp_dequeue_style( 'woocommerce_frontend_styles' );
wp_dequeue_style( 'woocommerce_fancybox_styles' );
wp_dequeue_style( 'woocommerce_chosen_styles' );
wp_dequeue_style( 'woocommerce_prettyPhoto_css' );
# Scripts
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' );
}
}
}