What Causes Website Downtime?
From server crashes and faulty updates to expired certificates and forgotten domain renewals, these are the most common reasons websites go offline, and what you can do to prevent each one.
Website Downtime
Why websites go down, how to diagnose outages and how to respond.
How to Check If a Website Is Online or Down
Is the website online, or is it down? Learn seven quick ways to check, how to tell whether the problem is on your side or the site's, and how to narrow a real outage down to DNS, SSL, the server or the application.
About our Website Downtime guides
Why websites go down, how to diagnose outages and how to respond. Each guide is written by the UptimeStats editorial team to answer one practical question, with examples you can apply to your own website and links to primary sources such as RFCs and official documentation where they help.
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