Skips the cart page entirely and redirects customers straight to the checkout page as soon as a product is added to cart. Ideal for single-product stores or focused sales funnels where the cart step adds unnecessary friction and reduces conversions. Uses the woocommerce_add_to_cart_redirect filter to override the default redirect URL.
add_filter( 'woocommerce_add_to_cart_redirect', 'redirect_to_checkout_after_add_to_cart' );
function redirect_to_checkout_after_add_to_cart( $url ) {
return wc_get_checkout_url();
}