Why Do Web Pages Refuse to Respond?
The most common problem encountered with websites is when webpages refuse to respond. The best way to troubleshoot this is to take note of error messages that appear, which can give valuable clues on how to resolve the issue.
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404 Page Not Found
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The "404 Page Not Found" error message lets you know that the webpage is no longer present on the site. This can be caused by the deletion of the page, or if the link pointing to it is no longer valid -- which can also mean that the page has been moved.
Failed DNS Lookup
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This error occurs if the URL typed cannot be found. Sometimes an error in typing the URL can cause this. This can also happen if the URL is no longer available on the Internet and has been removed.
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Host Unavailable
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You will get this error if the site exists but is unavailable at the time. It may be under maintenance by the server, or it can also be due to a problem with your own Internet connection, which can be resolved by contacting your ISP.
Connection Refused
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This error is displayed when there are too many users connecting to the site's server, or if the site is temporarily closed to public access. If this error occurs, try again later to view the page.
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