Guides
Written for the owner of a shop, a practice or a restaurant whose website has just stopped working, and for anyone staring at a browser error. Short, in order, no jargon that isn't explained.
My website is down. What do I do?
The first ten minutes, in order: find which step failed, who to call, what to tell them, and what to tell your customers meanwhile.
8 minute readIs it me or the site?
Two minutes of tests that tell your Wi-Fi, your provider, your browser and the site apart, and what to do about each.
5 minute readDNS errors explained
"Server IP address could not be found", "This site can't be reached", NXDOMAIN: what the domain-name step does, why it fails, and the fix for visitors and owners.
6 minute readCertificate errors explained
"Your connection is not private", "certificate has expired", "common name invalid": why browsers block a site, and how an owner clears it.
6 minute readNot sure which one you need?
Run the check first. The result names the step that failed and links to the right guide.