Site24×7 is a simple hosted web site monitoring service that works around the clock making sure that websites are performing flawlessly. There are six main functions that Site24×7 takes care of: website availability, tracking website performance, web application monitoring, web page defacement, instant alerts, and reports and trends.
With Montastic, you monitor all your websites and watch them change color as they go up or down. If you don’t have time to sit and stare at the monitor, lucky you, Montastic will send you an email each time a server changes status. Montastic is free. Completely free. Sign up and start monitoring websites within 10 seconds.
Mon.itor.us is one of the best known, can be configured to log every five minutes to see if your site is online. Excellent statistics and the ability to receive alerts by RSS, email or instant messaging. And it is easy and free anyone can use it in 5 minutes.
SiteUptime is a website monitoring service that checks your website at regular intervals and notifies you via email or SMS if it becomes unavailable.
5. InternetSeer :
A website monitoring service offering 60 minute website monitoring and 20 minute web site monitoring and a free web site monitoring service. If the monitoring system is unable to reach the site, an email, cell phone or pager alert is sent to notify you of the problem.
With Pingdom, any problem with your website will be discovered the minute it happens. You will be immediately alerted so you can take action before it affects your business. You will also be able to see detailed statistics of your website performance, giving you a historical record of all incidents.
Web site monitoring service for web server performance measurement. Free and paid remote web site and server monitoring. This small application keeps an eye on your website, right from your PC.
8. HostTracker :
A free Web monitoring service that allows you to do an instant site check.
9. Dotcom Monitors :
Website Monitoring service that ensures the performance and uptime of your e-business by bringing together Monitoring, Reporting, Notification, Escalation and Analysis in the combination best suited to your needs.
10. SiteProbe :
It Helps you to checks the status of your website hourly, 24 hours a day, 7 days a week. This gives the webmaster more time to be creative and improve his/her content instead of constantly worrying about whether or not the site is “up”.