Following is a changelog of updates to the Level 4 tutorials.
- Plugin Orphans – new – start on a list of where to find orphaned files/folders/db tables left when plugins are deleted
- Resource Hog Plugins – new – start on a list of plugins that chew up system resources and make a site slow
- Clean wp_options Table – new – See how to remove orphaned rows left by plugins that have been deleted
- PHP Error Log – new – how to view/create/test a PHP error log to find issues with plugins and the database
- Moved all Database Optimization tutorials from Level 2 to Level 4
- Cloudflare Settings – updated all settings