DownNotifier.com vs Is it up?

A side-by-side look at DownNotifier.com and Is it up?. For an in-depth review of either product, follow the links below.

DownNotifier.com

Online Services

DownNotifier.com is a free website monitoring service that allows users to enter URLs they want to track and receive notifications when those sites go down or back up. It monitors website uptime and sends email or SMS alerts about status changes.

uptimemonitoringalertsnotifications

Full review → Alternatives

Is it up?

Online Services

"Is it up?" is a simple website that allows users to check the status of other websites and web services. It functions by sending a request to the site or service entered and displaying whether it is up and responding or down.

uptimestatus-checkmonitoring