Only load WooCommerce scripts on shop pages and checkout + cart

woocommerce-optimize-scripts.php

/**
 * Optimize WooCommerce Scripts
 * Remove WooCommerce Generator tag, styles, and scripts from non WooCommerce pages.
 */
add_action( 'wp_enqueue_scripts', 'child_manage_woocommerce_styles', 99 );

function child_manage_woocommerce_styles() {
	//remove generator meta tag
	remove_action( 'wp_head', array( $GLOBALS['woocommerce'], 'generator' ) );

	//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() ) {
			wp_dequeue_style( 'woocommerce_frontend_styles' );
			wp_dequeue_style( 'woocommerce_fancybox_styles' );
			wp_dequeue_style( 'woocommerce_chosen_styles' );
			wp_dequeue_style( 'woocommerce_prettyPhoto_css' );
			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' );
		}
	}

}

I've removed the opening PHP tag so people won't be confused about that.

After adding this code I still see 3 CSS scripts loaded...

@DevinWalker Thank you. Do you add this to functions.php?

@DevinWalker nevermind, I found your full article. Very nice write-up.
https://impress.org/how-to-load-woocommerce-scripts-and-styles-only-in-shop/

I guess, this code needs some updating as it doesnt remove everything with the latest version of WooCommerce.

IF you are using latest version of Woo, you need to add these three lines to remove ALL styles

wp_dequeue_style( 'woocommerce-general' );
            wp_dequeue_style( 'woocommerce-layout' );
            wp_dequeue_style( 'woocommerce-smallscreen' );

Or you can remove all styles at once

add_filter( 'woocommerce_enqueue_styles', '__return_empty_array' );

this doesnt seem to work for site working on - https://officialicloudunlock.co.uk ? any ideas?

Thanks @cnasikas, CSS are good to remove :)

I try remove only few JS rows but not works.

Here's what worked for me. Removes all styles & scripts.

if (!is_woocommerce() && !is_cart() && !is_checkout()) {
    remove_action('wp_enqueue_scripts', [WC_Frontend_Scripts::class, 'load_scripts']);
    remove_action('wp_print_scripts', [WC_Frontend_Scripts::class, 'localize_printed_scripts'], 5);
    remove_action('wp_print_footer_scripts', [WC_Frontend_Scripts::class, 'localize_printed_scripts'], 5);
}

Following worked for me to dequeue both styles and scripts. While example above by @jaswsinc didn't.

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' );
        }
    }
}

Hi @DevinWalker

I apply your code, thanks for sharing, indeed, woocommerce is faster!

does your code remove the ajax function from the "add to cart" button ? Because I use a plugin (woo popup) to create an animation when we add a product to the cart, this plugin uses ajax (otherwise it does not work), my problem is that if I use your code, my plugin
" woo popup "does not work well, there is a conflict.

Do you have a solution to let ajax activate ?

up

Good info - any pointers on how to modify the above code so that the woocommerce geolocation functionality doesn't get called for a given page? We need this on our site's store pages, but it's extremely slow and so we'd of course like to avoid calling it on all of the non-store pages.

For clarity, I'm talking about the "geolocate with page caching support", that results in URLs with parameters like ?v=11aedd0e4327 appended.

Thanks in advance for your help!

Big props to @jaswrks, you saved me from rooting through api documentation. All scripts 100% gone, 3 lines of code.

remove_action('wp_enqueue_scripts', [WC_Frontend_Scripts::class, 'load_scripts']);
remove_action('wp_print_scripts', [WC_Frontend_Scripts::class, 'localize_printed_scripts'], 5);
remove_action('wp_print_footer_scripts', [WC_Frontend_Scripts::class, 'localize_printed_scripts'], 5);

Oh god! that was dificult! Thanks @alenabdula . Your code inside functions.php works perfectly ;)

@RiFi2k
This action not work, my site will display Photoswipe button