There are several reasons to why you might not be able to view your site. We have listed the most common ones below.
Propagation
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Has your domain completely propagated? It may take up to 72 hours to complete. Propagation is the process of having the world’s DNS servers recognize the changes you have made to your domain name. For example, when you updated your name servers to point to HostLayer's network, you made a change to your domain name, so that HostLayer can recognize your domain name and load your website. This is just one of the many examples of propagation. Another example would be when you register/transfer a domain name.
Location
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Did you upload your files to the correct folder? All your files should be located within the public_html folder.
File Name
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Do you have a first page that is named index.html (.htm, .php, .asp etc..)? Please remember that Linux servers are case sensitive, so be sure to call your file “index” not “Index”