Website Availability Monitoring

We make requests to the URL and check if it works. 24 hours a day. Simple to use. No installation is needed.

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Uptime check illustration

How does it work

Uptime.onl check url illustration
Add URLs you want to monitor for availability

It might be only an index page, or it might be all your pages to be sure the whole website is available.

Uptime.onl check availability illustration
We will start making check requests

We will check URL availability every 1 or 5 minutes, 24 hours a day, every day.

Uptime.onl notification illustration
If URL is not available, we will notify you immediately

We will immediately send you a message. You will be the first to know about a problem.

Whether you are a server administrator or web developer, website owner, or business owner, you can use our automated service to make website availability checks. Don't waste your to do it manually.

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Main features

Our goal is to provide the full coverage website monitoring service and keep it simple. So every technical and non-technical website owners could be sure his website is working.

Dashboard screenshot
Status error illustration

Uptime check by response status

Keyword / phrase check illustration

Check by keyword/phrase

Report illustration

Show last error in the dashboard

Notification illustration

Notification about response error

Site speed illustration

Check server response time

TLS/SSL expiration check illustration

Check TLS certificate expiration

Domain expiration check illustration

Check Domain expiration date

Javascript check illustration

Check for Javascript errors

Broken links check illustration

Check for broken links