Pingdom - Web site monitoring for 100% uptime. Measure your downtime.

Un serviciu care iti monitorizeaza website-ul si iti da SMS cind a
cazut. Interesant.

https://www.pingdom.com/signup/submit/

You have selected Pingdom Free
The account is completely free but you will only be able to monitor one
website or server. For your account to be kept alive you will need to
log in to the Pingdom control panel at least once every 90 days.