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Free uptime check

Is This Website Down Right Now? Free Instant Uptime Check

Sometimes you just need to know whether a site is up right now. Your own, a client's, the link a customer just sent you. Type the URL below and SiteGuardian pings it once, tells you the HTTP status, the response time, the response headers, and an up/down verdict. No account required. Want to know what a four-hour small-shop outage actually costs in lost orders? The detection-gap math the broader cluster walks through is on the dedicated website-downtime piece in the blog.

Server racks with green status lights in a dark data center.
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Include the https://— SiteGuardian pings it once and tells you whether it's answering. No account needed.

What you'll see

  • The current HTTP status code.
  • How long the response took to come back (latency).
  • A clear up / down verdict.
  • A short list of response headers (server, content-type, cache-control, content-encoding).
  • What to do next if the site is misbehaving.

Stop pinging it yourself.

Skip the manual checks — SiteGuardian watches your URL around the clock and emails you the second it goes off.

Get 24/7 uptime monitoring
Read what a one-time uptime check misses when nobody is watching the site overnight.

SiteGuardian is the website uptime monitor built for small businesses. It pings your site, checkout, contact forms and SSL. And emails you the second something breaks.