Prevent Yoast SEO from adding indexes to WooCommerce order data for a performance increase at checkout

functions.php

<?php
# Place this code in your theme's functions.php
# Tested with WooCommerce 5.3.0 and Yoast SEO 16.4

if(function_exists('YoastSEO')) {
    # Hook directly at the start of the init tree (important)
    add_action('init', "maybe_remove_yoast_seo_module", 0);

    function maybe_remove_yoast_seo_module()
    {
        $do_not_load_yoast_routes = [
            '/checkout/',
            '/basket/',
            '/?wc-ajax=update_order_review',
            '/?wc-ajax=add_to_cart',
            '/?wc-ajax=checkout',
            '/?wc-ajax=get_refreshed_fragments'
        ];
        foreach ($do_not_load_yoast_routes as $URI) {
            if (strpos($_SERVER['REQUEST_URI'], $URI) === false) continue;
            $yoast = YoastSEO()->classes->container->get(Yoast\WP\SEO\Loader::class);
            remove_action('init', [$yoast, 'load_integrations']);
        }
    }
}