monitorscout - 6:15 am on May 25, 2013 (gmt 0)
There is no less of website monitoring solutions provider today. Many of them even provide free monitoring solutions up to some extent. You can try them. A good website monitoring company notifies you every time your website goes down and as soon as it goes down with the details of the problem so that you can fix it within no time. And perform 1440 times checks per day.