The world's leadinguptime monitoring service.

Currently, we keep an eye on 17,572,680 monitors for more than 2,100,000 users and companies.

All you really care about

monitored in one place.

Website monitoring

Be the first to know that your website is down! Reliable monitoring warns you before any significant trouble and saves you money.

SSL monitoring

Don't lose visitors because of an expired SSL certificate. Get notified 30, 14 and 7 days before expiration.

Domain expiration monitoring

Keep your online presence secure and avoid any potential damage by monitoring your domain's expiration date.

Cron job monitoring

Also known as heartbeat monitoring. Monitor recurring background jobs or intranet devices connected to the internet.

Port monitoring

Is the email service still UP? How about the critical database server? Let's check! Monitor any specific service running on any port.

Ping monitoring

Leverage one of the most used tools administrators use to check the availability of network devices.

Keyword monitoring

Use keyword monitoring to check presence or absence of specific text in the request's response body (typically HTML or JSON).

Advanced features for advanced users.
Share incident updates
Send status updates via email to your Status page subscribers.
Maintenance windows
Set up maintenance windows to prevent alarms during planned maintenance.
White-labeled Status pages
Customize colors, add your logo or even link your custom domain.
Custom HTTP requests
Need to set an advanced HTTP header? We’ve got you covered!
Response time monitoring
See your response times in a chart to reveal performance hiccups.
Multi-location checks
We verify incidents from multiple locations to prevent false-positives.
Uptime track your websites, servers and ports availability with ease.
Keep track of your Cron jobs and make sure they are actually running.
Monitor domain names expiration dates and SSL certificates.
Get notified when your domain DNS changes, track with ease.
Server monitors
Keep track of your resources on your Linux servers.
Status pages
Display your monitor’s stats transparently and beautifully to your visitors.
Incidents

Get notified instantly when checks fail.

We did 150M+ checks for a total of 25K+ monitors.

We also host 50K+ status pages.

Get notified with ease

Countless notification integrations for all your needs.

Email

Webhook

Slack

Discord

Telegram

Microsoft Teams

Whatsapp

X Twitter

Phone Call

Simple, transparent pricing.

Choose the plan that is right for you and your budget.
Track the uptime of your servers & display their stats on a status page.