BizCyber.com offers useful links to browse for computer-related resources, including sites devoted to hardware, software, the Internet, programming, website promotion, hosting, web designers, computer directories and more.
CheckUpDown
Automatic check if a Web site is up or down and response times for the server. Also provides some site statistics. http://www.checkupdown.com/
AlertBot
Web site monitoring service that tests website availability, performance, and alerts webmaster of downtime. Also provides ftp, http, pop3, snmp, https, smtp, ip, and dns server monitoring.
YourSiteUp
Web site and service port monitoring with email alerts and free 30-day trial. Can search for text in a web page to verify site is up.
Yodzu
The 24-hour monitoring service that lets you know the moment your website goes offline.
1stWarning.com
Provides web-based monitoring of websites, email servers and other devices and alerts you of failures by email, pager or instant message.
