Why isn't this website working?

Paste a customer's URL to get a quick snapshot, then walk through the guide step-by-step until you find the problem.

Found something suspicious? Dig deeper

The troubleshooting guide walks through every common cause of a broken website — DNS, firewall, web server, disk, logs, SSL — in plain English with the exact commands to run.

First, what kind of server is the customer on?

Plesk Plesk control panel installed (login on :8443) Plain Linux No control panel — direct SSH access to NGINX/Apache Not sure Show both, plus how to tell which one it is