Loading takes too long.
WHAT TO ESTABLISH
Slow for everyone, or only for you? All pages or specific ones? When did it start? What changed?
WHAT TO CHECK FIRST
Resource usage in cPanel.
If limits are being reached, that is the cause.
THE MOST COMMON CAUSES
Unoptimised images No caching An outdated PHP version A specific plugin Too many plugins A database query problem Genuine traffic growth
WHAT TO FIX IN ORDER
- Images: resize and compress before uploading
- Caching: enable it
- PHP: use a current version
- Plugins: identify any expensive one
HOW TO IDENTIFY AN EXPENSIVE PLUGIN
Disable them in groups and test.
Or use a profiling plugin.
IF ENTRY PROCESSES ARE EXHAUSTED
Pages are slow, so requests queue.
Fixing speed resolves it. Upgrading alone frequently does not.
WHAT TO TEST
Your own site on a phone, on mobile data.
That is the real experience for most visitors.