The web site checker, will monitor any web site you specify and email you if it is down.  The auto checking site will check the web site every 15 minutes 24 hours a day and 7 days a week from our servers, so there is nothing for you to download.  It will let users enter multiple phrases or any text to scan for, for example, sites may say "Page Can Not Be Found" and some may say "Server Unavailable," etc.  The service cost is $4.95 USD a month or $19.95 USD a year.