Free website uptime checker

Is your website down right now?

Run a live browser check to see whether the website responds, which HTTP status it returns and how long the first response byte takes.

Free · No signup required · Live public website check

What this tool checks

Current availability from a live website check

Online or unavailable

Shows whether the website successfully completes the current browser check.

HTTP status

Reports the main document HTTP status returned by the website.

Time to First Byte

Shows server response delay from the SiteState test location.

Final URL

Shows where the browser ends up after redirects.

HTTPS state

Confirms whether the final website is loaded over HTTPS.

Page-load context

Adds browser performance evidence so an online-but-degraded website does not look identical to a healthy one.

Interpret the result

A one-off uptime check answers 'is it down now?' — monitoring answers 'when did it change?'

The free SiteState uptime checker is a current-state test from the SiteState test location. If it succeeds, that tells you the website is responding from that location at the time of the check.

It is not an historical uptime percentage and it is not a multi-location consensus. Continuous monitoring adds repeated scheduled checks, incident history, recovery state and uptime rollups over time.

Methodology

This tool performs a one-off live public website check from the current SiteState test location. It is not a multi-region availability consensus or a historical uptime SLA measurement.

FAQ

Common questions about this website check

Is my website down?

Enter the website URL and SiteState will run a live check. The result shows whether the site responded, the HTTP status and response timing from the SiteState test location.

Does this uptime checker test from multiple locations?

Not currently. The free checker is a single-location current-state check. Multi-location monitoring is a separate future capability.

Is this the same as uptime monitoring?

No. A one-off checker tests the site now. Continuous uptime monitoring repeats checks over time and builds uptime history, incidents and recovery state.

Can a website be online but still unhealthy?

Yes. A website can return a successful HTTP status while being very slow or experiencing browser-performance problems. SiteState also includes performance context in the report.

Related free tools