Online tool

Check website availability online

See how a public website responds from up to three available UpChecker locations. The result does not add the website to monitoring.

This is a one-time check: it does not create a monitor or send notifications.

Checking the website

Waiting for responses from up to three available UpChecker agents. This usually takes a few seconds.

Need continuous monitoring?

Put the website on uptime monitoring

UpChecker will check it on a schedule, keep status history, and send notifications when a real outage occurs.

Set up website monitoring

What the check shows

HTTP response without account setup

Use the tool for a quick diagnosis after a deployment, domain move, or HTTPS configuration change.

Response status

Check whether the page returns a successful HTTP status or responds with an error.

Up to three UpChecker agents

Run the request simultaneously through up to three available active UpChecker agents.

Response time

Compare the full HTTP request duration reported by each check point.