Connection Timed Out is a browser error that means the connection to the server is taking too long to be established.
Causes: Excessive plugin usage and/or insufficient PHP memory.
Increase memory limit PHP variable - How to edit PHP variables
Deactivate WordPress plugins and activate them one by one until the one causing overload is found - How to deactivate plugins manually
If cPanel exhibits physical memory and I/O is maxed out periodically or consistently, upgrade the hosting plan/memory.
Like all technical areas, errors will happen. It’s important to note a few things regarding using the fixes in this article:
- Check DNS & make sure everything is proper before resorting to changing files.
- When handling any files, make sure to follow this guide: How to handle WordPress files