My website is down (500 error or blank page)

The symptom

You notice a malfunction that blocks or degrades the affected service.

Possible causes

• code/plugin
• .htaccess
• PHP version
• database or disk quota

What to do (step by step)

1. error log
2. latest WordPress plugin
3. .htaccess
4. disk space
5. PHP version

If the problem persists

Open a ticket, priority if you have Premium, and include the affected service or domain, exact message, time, screenshots and what you already tried.