Monitor your website uptime free

Free website uptime monitoring for everyone.

No sign-up, credit cards or other nonsense.

Sign in easily with GitHub or Facebook account.

Instant Alerts

WatchSumo notifies you instantly via email or webhook as soon as it detects that your website is down or up.

Simple Dashboard

See all your websites at a glance—with current state and response time. Only the information that matters.

All your websites

There is no limit! You can add add many URLs to monitor their uptime as you want. All completely free.

Graph The Data

WatchSumo comes with beautiful grapcs showing you how your website is performing. So you know how the changes you make affect your viewers.

WatchSumo Response Time Graph

See The Details

Need to see more? WatchSumo gives you information about availability and response time.