for Jonathan

jonathans-speed.php

<?php
/**
 * Plugin Name: Jonathan's Speed Plugin
 * Plugin URI: https://bradgriffin.me
 * Description: 
 * Version: 1
 * Author: Brad
 * Author URI: https://bradgriffin.me
 * Requires at least: 4.5
 * Tested up to: 4.5
**/

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

// BEGIN stop storing post revisions //
define( 'WP_POST_REVISIONS', -1 );
// END stop storing post revisions //

// Move Proceed to Checkout button on cart page //
add_action( 'woocommerce_cart_actions', 'move_proceed_button' );
function move_proceed_button( $checkout ) {
	echo '<a href="' . esc_url( WC()->cart->get_checkout_url() ) . '" class="checkout-button button alt wc-forward" >' . __( 'Proceed to Checkout', 'woocommerce' ) . '</a>';
}
// END Move Proceed to Checkout button on cart page //

/* Bye Emoji :-( */
remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
remove_action( 'wp_print_styles', 'print_emoji_styles' );
remove_action( 'admin_print_styles', 'print_emoji_styles' );
/* ...so sad */

/**
 * Optimize WooCommerce Scripts
 * This will stop any WooCommerce from loading and running when your NOT on a WooCommerce page or product post type.
 */
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_style( 'woocommerce-general' );
            wp_dequeue_style( 'woocommerce-layout' );
            wp_dequeue_style( 'woocommerce-smallscreen' );
			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' );
		}
	}

}
// End WooCommerce Scripts Wonderful Code //

//Remove Superfluous info In The Head! //
 function remove_header_info() {
    remove_action( 'wp_head', 'rsd_link' );
    remove_action( 'wp_head', 'wlwmanifest_link' );
    remove_action( 'wp_head', 'wp_generator' );
    remove_action( 'wp_head', 'start_post_rel_link' );
    remove_action( 'wp_head', 'index_rel_link' );
    remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head' ); // for WordPress >= 3.0
}
add_action( 'init', 'remove_header_info' );
// End Cleaning up the head //

// Let's remove those pesky script version numbers!  //
 function wpex_remove_script_version( $src ) {
	if ( strpos( $src, 'ver=' ) ) {
		$src = remove_query_arg( 'ver', $src );
	}
	return $src;
}
add_filter( 'script_loader_src', 'wpex_remove_script_version', 15, 1 );
add_filter( 'style_loader_src', 'wpex_remove_script_version', 15, 1 );
// End script version number removal //
?>