WooCommerce provides great functionality, but loads a lot of resources even if not needed.

If a site loads longer than 5-7 seconds, potential customers already loose interest :)

UNLOAD ALL THAT IS NOT NEEDED

Add this to your functions.php:

add_action( 'wp_enqueue_scripts', 'cleanup_woocommerce_includes', 99 );

function cleanup_woocommerce_includes(){
 //check that woo exists
 if ( function_exists( 'is_woocommerce' ) ) {
  if ( ! is_woocommerce() && ! is_cart() && ! is_checkout() ) {}
  /*Styles*/
  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-layout' );
  wp_dequeue_style( 'woocommerce-smallscreen' );
  wp_dequeue_style( 'woocommerce-general' );
  wp_dequeue_style( 'wc-bto-styles' ); 		
  
  
  /*Scripts*/
  wp_dequeue_script( 'wc-cart' );
  wp_dequeue_script( 'wc-cart-fragments' );
  wp_deregister_script( 'wc-add-to-cart' );
  wp_dequeue_script( 'wc-add-to-cart' );
  wp_deregister_script( 'wc-add-to-cart-variation' );
  wp_dequeue_script( 'wc-add-to-cart-variation' );
  wp_dequeue_script( 'wc-checkout' );
  
  wp_dequeue_script( 'wc-single-product' );
  wp_dequeue_script( 'jquery-blockui' );
  wp_dequeue_script( 'wc_price_slider' );		
  
  wp_dequeue_script( 'wc-chosen' );
  wp_dequeue_script( 'woocommerce' );
  wp_dequeue_script( 'prettyPhoto' );
  wp_dequeue_script( 'prettyPhoto-init' );		
  wp_dequeue_script( 'jquery-placeholder' );
  wp_dequeue_script( 'fancybox' );
  wp_dequeue_script( 'jqueryui' );

  }
 }
}

add_action( 'wp_enqueue_scripts', 'cleanup_woocommerce_includes', 99 );

function cleanup_woocommerce_includes(){

//check that woo exists

if ( function_exists( 'is_woocommerce' ) ) {

if ( ! is_woocommerce() && ! is_cart() && ! is_checkout() ) {}

/*Styles*/

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-layout' );

wp_dequeue_style( 'woocommerce-smallscreen' );

wp_dequeue_style( 'woocommerce-general' );

wp_dequeue_style( 'wc-bto-styles' );

/*Scripts*/

wp_dequeue_script( 'wc-cart' );

wp_dequeue_script( 'wc-cart-fragments' );

wp_deregister_script( 'wc-add-to-cart' );

wp_dequeue_script( 'wc-add-to-cart' );

wp_deregister_script( 'wc-add-to-cart-variation' );

wp_dequeue_script( 'wc-add-to-cart-variation' );

wp_dequeue_script( 'wc-checkout' );

wp_dequeue_script( 'wc-single-product' );

wp_dequeue_script( 'jquery-blockui' );

wp_dequeue_script( 'wc_price_slider' );

wp_dequeue_script( 'wc-chosen' );

wp_dequeue_script( 'woocommerce' );

wp_dequeue_script( 'prettyPhoto' );

wp_dequeue_script( 'prettyPhoto-init' );

wp_dequeue_script( 'jquery-placeholder' );

wp_dequeue_script( 'fancybox' );

wp_dequeue_script( 'jqueryui' );

}

Like always, make sure that nothing breaks. If things break or are required by certain pages add an exception for that!

Check WordPress Condional Tags.

Sources:

REMOVE GENERATOR META TAG

remove_action( 'wp_head', array( $GLOBALS['woocommerce'], 'generator' ) );
remove_action('wp_head', 'wc_generator_tag');

1 2	remove_action( 'wp_head', array( $GLOBALS['woocommerce'], 'generator' ) ); remove_action('wp_head', 'wc_generator_tag');

Speed up WordPress / WooCommerce on none commerce pages

UNLOAD ALL THAT IS NOT NEEDED

REMOVE GENERATOR META TAG

Enjoy coding …

Alexander