Sometimes you need to block requests in .htaccess that don’t have a valid HTTP referer header (or one you want). For example, a visitor without an referer header cannot add items to a WooCommerce webshop’s wishlist. For that to happen he has to visit the site and has valid referrer information. Here is how to block requests in mod_rewrite .htaccess that don’t have your website as HTTP referer.
UPDATE wp_options SET option_value = '0' WHERE wp_options.option_name = 'xcloner_enable_log';
See the ITFAQ.nl post “WordPress “XCloner – Backup and Restore” log uitschakelen in de MySQL-database” for this information in Dutch.
You can tune your WordPress blog speed and performance by setting a correct WP_MEMORY_LIMIT in your wp-config.php file. Here is how:
WordPress updates, like Core-, plugin- and themes, sometimes fail because of enabled PHP opcode caches. Popular PHP opcode caches are OPcache, WinCache and APC. Flushing these opcode caches first eases the WordPress update process. And here is a Must Use Plugin to flush OPcache cache …
Optimize WordPress MySQL tables through Cron, behind the scenes provides and describes a plugin to regularly optimize your MySQL database tables, to improve WordPress performance.