Digiover

/**
 * Executes an OPTIMIZE TABLE statement on all WordPress database 
 * tables.
 */
public static function saotn_wpdb_optimizer() {
  global $wpdb;
  $tables = $wpdb->get_col( "SHOW TABLES" );
  foreach ( $tables as $table ) {
    $wpdb->query( "OPTIMIZE TABLE $table" );
  }

Digiover

<?php
/**
 * PHP/cURL function to check a web site status. If HTTP status is not 200 or 302, or
 * the requests takes longer than 10 seconds, the website is unreachable.
 * 
 * Follow me on Twitter: @Jan_Reilink
 *
 * @param string $url URL that must be checked
 */
function url_test($url) {

Digiover

<?php
/**
 * Plugin Name: Saotn Database Table Optimizer
 * Plugin URI: https://www.saotn.org
 * Description: Optimizes WordPress database behind the scenes by executing an OPTIMIZE TABLE statement on all MySQL tables, 'daily' or 'hourly'. Please <a rel="nofollow" target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=4EFPSXA623NZA" title="donate to Sysadmins of the North">donate $2.50 USD</a> through PayPal to support me in my research time and hosting costs.
 * Version: 1.0.2
 * Author: Jan Reilink
 * Author URI: https://www.saotn.org
 * License: GPLv2
 */

Digiover

# blacklistcheck.ps1 - PowerShell script to check
# an IP address blacklist status
# 
# Follow me on Twitter: @Jan_Reilink
# 
# Steps:
# 1. IPv4 IP address input from the command-line:
#    .\blacklistcheck.ps1 1.2.3.4
# 2. reverse the IP address: 1.2.3.4 becomes 4.3.2.1
# 3. append the blacklist zone, e.g .cbl.abuseat.org. 

Digiover

<?php
/*
 * enqueue adsbygoogle.js in the footer & 
 * create a WordPress shortcode with your Google AdSense code
 * follow me on Twitter: @Jan_Reilink
 */

function saotn_loadAdsByGoogleJs() {
  wp_register_script( 'google-adsense', '//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js', '', '', true );
  wp_enqueue_script( 'google-adsense' );

Digiover

<?php
function saotn_post_prerender_prefetch() {
	/* follow me on Twitter: @Jan_Reilink */
	$next_post = get_next_post();
	$prev_post = get_previous_post();
	if ( !empty( $next_post ) ) {
		echo '<link rel="prefetch" href="'.get_permalink( $next_post->ID ).'" />
			<link rel="prerender" href="'.get_permalink( $next_post->ID ).'" />';
	}
	if ( !empty( $prev_post ) ) {

Digiover

<?php
/**
 * Disable PHP script execution for WordPress wp-content/uploads folder.
 * - based off the WordPress permalinks rewrite code
 *
 * - https://www.saotn.org/secure-wordpress-uploads-folder-disable-php-execution/
 * - follow me on twitter: @Jan_Reilink
 * 
 * don't allow this file to be loaded directly
 */

Digiover

<?php
/*
 * https://www.saotn.org/enable-http-strict-transport-security-hsts-on-iis/
 * follow me on Twitter: @Jan_Reilink
 */

add_action( 'send_headers', 'saotn_add_hsts_header' );
function saotn_add_hsts_header() {
  header( 'Strict-Transport-Security: max-age=31536000; includeSubDomains; preload' );
}

Digiover

--- cache_enabler_disk.class.php.org    2016-09-26 07:24:22.000000000 +0200
+++ cache_enabler_disk.class.php        2016-10-24 16:33:54.145108306 +0200
@@ -24,7 +24,9 @@
        */
 
        const FILE_HTML = 'index.html';
+       const FILE_HTML_MOBILE = 'index-mobile.html';
        const FILE_GZIP = 'index.html.gz';
+       const FILE_GZIP_MOBILE = 'index-mobile.html.gz';
        const FILE_WEBP_HTML = 'index-webp.html';

Digiover

<?php
/**
 * Plugin Name: Make Read Only &amp; Clear Read Only WordPress
 * Plugin URI: https://www.saotn.org
 * Description: Makes all WordPress files read-only after updates, and writable just before updates. This should ease WordPress updates when it's read-only on the file system. Please donate <a rel="nofollow" target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=J24FGGU96YSUY" title="donate to Sysadmins of the North in Dollars">$2.50 USD</a> (or <a rel="nofollow" target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=QLX4RPPL3L8LY" title="donate to Sysadmins of the North in Euros">&euro; 2,50 Euro</a>) through PayPal to support me in my research time and hosting costs.
 * Network: True
 * Version: 1.0
 * Author: Jan Reilink
 * Author URI: https://www.saotn.org
 * License: GPLv2