pingdom monitor your site 24/7

pingdom is a swedish high quality free ( or paid ) service for full time tracking for your site giving you full image of what is happening when you are not there ! telling you your site up-time & down-time .

If you are there & your site fails it gives you an immediate message telling you that your site is down ,when your site up again you will get a similar message telling you the happy news & giving you the downtime period you can also download a desktop application instead of accessing your mail or site !

But if you are not there you will be informed too by a sms message doing the same perfect job & if you are an i phone user then you can have the pleasure using a helpful application for iphones

Pingdom site account tells you also how good or bad is ping at your site from many places around the world & gives you a help with troubleshooting errors
At the end of every period you will get a report telling you full statistics about your site up & down totals

Pingdom also monitors websites, mail servers, DNS servers, FTP servers, networks so you can easily judge your current or upcoming web-hosting service

I tested the service for weeks everything works great but you are only allowed 20 sms if your account is free
so i advice not to consume all your sms & you can set options to get these sms only when you are not at your desk
generally its a great service that no webmaster can live without so , enjoy it !

service site : http://www.pingdom.com/