I give websitepulse a thumbs up very nice friendly people. I have never had a false alarm to date with them. Also you can try there services for 2 weeks to make sure you like them. Usually most companys will monitor httpd offcourse and other services of importance like mail,mysql and so on.
Originally posted by UltraUnixNET What's the interval should I use? We are currently using 3 minutes but what's your opinion? Some people think 10 minutes would do fine as well.
I use 5 minutes for HTTP, and after 2 down checks, it will notify me by calling my cellphone and texting also. I use "Notify after 2 down checks" (so that's after 10 mins) because this will eliminate any false alarms. Sometimes for a couple seconds, I get 'blips' where my bandwidth/traffic is maxed and the HTTP checker doesn't get through and says my server is down. The chance of it happening two times though is slim.
Please note that I am not a web host though, I only host my own websites, so other people aren't dependent on my uptime. With that said, there's nothing wrong with keeping it at every 3 minutes.
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Alertra is more a customer driven stats and a marketing tool employed by hosting companies. They have, more than often, not reported many instances of outtage that my other services like websitepulse.com or siteuptime.com have.
When I asked my host provider why Alertra did not report outtage that my other uptime monitor was reporting (more than once occassion)... I was told by their support that some uptime services are overly sensitive... imagine that.
I like siteuptime, though their public interface is not as polished as alertra... at least they are accurate.. and with their paid services, you can choose to be informed by email, sms, etc and monitored every 2 minutes interval. Their FREE option allow you to monitors 3 services/sites at 30 minutes interval which is more than reasonable.