WordPress plugin to remove the auto-generated meta tags, and version from JS/CSS asset URLs (allows better caching).

remove-wp-meta.php

<?php
/*
Plugin Name: Remove WP Meta and Version
Plugin URI: https://gist.github.com/voidmonk/f8ebd732b30fcc1c18811e5b12a6e729
Description: This plugin removes the auto-generated WP meta tags from each webpage.
Author: Lee Kelleher
Version: 0.3.0
Author URI: http://leekelleher.com/
*/

// remove the unwanted <meta> links
remove_action('wp_head', 'rsd_link');
remove_action('wp_head', 'wlwmanifest_link');
remove_action('wp_head', 'wp_generator');
remove_action('wp_head', 'wp_shortlink_wp_head');

// remove Visual Composer (WPBakery) <meta> data
function remove_visual_composer_metadata() {
  if (function_exists('visual_composer') || class_exists('Vc_Manager')) {
      remove_action('wp_head', array(visual_composer(), 'addMetaData'));
  }
}
add_action('wp_head', 'remove_visual_composer_metadata', 1);

// remove the X-Pingback header
function remove_x_pingback($headers) {
  unset($headers['X-Pingback']);
  return $headers;
}
add_filter('wp_headers', 'remove_x_pingback');

// remove WordPress version number in URL parameters from JS/CSS
function hide_wordpress_version_in_asset($src) {
  $src = remove_query_arg('ver', $src);
  return $src;
}
add_filter('style_loader_src', 'hide_wordpress_version_in_asset');
add_filter('script_loader_src', 'hide_wordpress_version_in_asset');
?>