It happens many times when you try to open a website but it keeps on loading. Even refreshing the page doesn’t help. In most of the cases it happens when a website goes down but some times it happens due to a problem in your ISP (Internet Service Provider). Here is an online tool which tells whether the particular website is down for everyone or its just.
This website is very useful when you are trying to open a website and it is not opening. In this condition you can easily check that website.