“Now and then your site may down because of some mistake due to your hosting provider. It may due to overloading or some problem in your IP, due to which your website can’t be accessible in certain parts of the country, it may be anywhere, either in India or in any other country.
Also it could be possible that due to some problem in the main ISP of the country your website could not accessible in certain part of the World. Due to which you could loss your potential visitors. So how we know that our website is accessible in certain parts of the World or not. There is a web service available which tells us about any site accessible in different cities of the world. The service is known as APM Cloud monitor (Link). Suppose the packet of the website is loss in certain part of the world the this service clearly indicate how much percentage of packets are loss in the country.So after knowing this you should report to your hosting provider to check out the reason of the problem and sort it out as soon as possible.”
“Just-Ping runs the ping command on your website from different locations across the world and finally show the result in single page. We have already seen that many of the weblogs as well as Twitter are ban in China . So it might be possible that your website may ban in China. This is the best tool to check it out. Because one of the checkpoint belongs to Shanghai.
In the image shown above we clearly see there are 38 checkpoints available in different cities of the World and amongst these checkpoints Brazil checkpoint is not available so availability of site cannot be retrieved but in Israel there is 20% packets loss so it is confirmed that Shoutmeloud is not accessible in certain parts of Israel.”