The Lazy Man’s WordPress Server Diagnosis Tool
The Diagnosis plugin adds subpages to the Dashboard menu with technical details about PHP, MySQL and other server details an administrator might need. It includes an information page and phpinfo() page that make technical data very easy for the average WordPress user to view. The image below shows some sample data, but the plugin includes much more.
This kind of information can be very helpful when trying to determine if your server has the proper capabilities for certain plugins. It can also be useful when troubleshooting or speaking to support personnel. The Diagnosis plugin doesn’t automatically make you into your own WordPress doctor, but it can help you sniff out a some clues to server problems you may be experiencing.