Make sure your website is accessible in all countries

one tool which tell us about the accessibility of our websites in major countries and areas. The name of the tool is Just Ping.
The website address to access Just Ping facility is:
http://www.just-ping.com/
Working of Just Ping
They have computers on the major parts of the world and they will ping the website address from that computers. If the ping request cannot find reply there is a chance that the website is not accessible in that region.
Negative side
Simple ping request to a website cannot tell whether the website is not accessible. Many websites disable the feature ping reply for additional security.
The following image shows how the result of Just-Ping works.