Most of us nowadays own a blog and when it comes to high traffic load, we cannot actually say when the website/blog server goes down. Without a proper monitoring service, it would be difficult to check the uptime of the server and which in turn would end up losing visitors and revenue for the blog. There are lots of service offering website monitoring and the most popular of them is Pingdom. Pingdom is highly recommended, but then its not a free service. If you are looking for good free services, here is a list of 10 website monitoring services which are free.
1. Mon.itor.us: This is a free service offering 24X7 monitoring and email alerting when the site is down. They offer reports for uptime and response time. The user interface may look simplistic, but loaded with features.
2. Montastic: This service offers monitoring of up to 100 URLs from two servers with a span of 10 mins. They sent email alerts when the site is down and also when the site server is up.
3. Service Uptime: This service can monitor one URL for free with an interval of 30 min. They sent out email/SMS alerts on downtime. They have pretty good reports as well.
4. Site Uptime: The free plan will check one website every 30 or 60 minutes. They currently monitor only from one location and their reporting is not the best one.
5. Host Tracker: The free plan enables monitoring for two URLs in two different domains. They have currently monitors from over 50 nodes.
6. Free Site Status: offers free monitoring of your website or server from 9 monitoring network around the world, and notifies you of any website downtime.
7. Site 24X7: Checks up to 2 websites every 60 minutes or above. You get email/SMS alerts and reports and the Free account never expires and you get to show uptime on your site.
8. Live Watch: is a German site offering monitoring service. The free notifications package contains email alerts, 10 SMS notifications, and Yahoo Messenger.
9. Basic State: Allows unlimited number of sites for monitoring. You will be alerted immediately by email or sms text message if your site ever becomes unavailable for any reason including network outages, server outages, server overload, dns configuration, or ssl certificate problems.
10. Internet Seer: Monitors your website from several geographic monitoring stations at selected intervals. 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.
If you have any more service to add to the list, please do share it in comments. If you are looking for an desktop application, you can check out the Web site Monitor freeware.