You work hard to promote your blog and you get good traffic and good revenue. But what if your server goes down for one hour where your blog is hosted? You will lose many of your visitors referred by search engines. And perhaps they will not come again to see you. And this all will happen without your awareness. If your website down time is longer and it recurs regularly then you may make your mind to change your hosting provider.
But how you will know your site was down for some hours yesterday? There are some of online tools that monitors website downtime and uptime for free. If you have planned to buy a premium service for web monitoring it will cost you more than shared hosting. In this list all the sites are with free and premium services.
These sites does not monitor only website but also web server, email server etc and support multi protocols.
Pingdom also provides free web monitoring service.
(2) Monitor US
This is free but powerful service, it provides premium services also. It works 24 hours of a day.
This checks your website every 30 minute’s interval and reports you if your site goes down.
If you have a free account, it will monitor your site for every 60 minutes.
It is also free and alerts you via email or SMS.
It is a pure website uptime monitoring site.
This service is free for first 90 days after it will cost 1$/month for every hour checking of your sites p or down time.
I think this service is completely free for web monitoring.
It is server monitoring service, for one server it is free if you have more than one server it will cost you.
It is a free website monitoring service; it will notify you when your website goes down.
It is also a free website uptime monitoring site.