Get Notified!

We tell you when your site is down by EMAIL, SMS, AND WEBHOOKS. We monitor thousands of sites and have generated over 150 million checks and counting.

Good grief!

Powerful API

Incorporate our world class monitoring technology into your own scripts and applications. MANAGE DOWNTIME DYNAMICALLY using our API callbacks.

My word!


We check your site using real browsers (WebKit via PhantomJS). That means we PARSE YOUR JAVASCRIPT AND CSS and render screenshots.

Best know!

Sign In with GitHub !