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Thread: What is a 404 page?

  1. #1

    Tahir Bati is offline
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    What is a 404 page?

    In 1992 Tim Berners-Lee defined all the HTTP (Hypertext Transfer Protocol) codes based on the FTP (File Transfer Protocol) status codes. If you break it down, the first '4' indicates the error is a client error, the '0' indicates a general syntax error, and the final '4' refers to the specific error code in the '4xx' group of error codes. In total there are 17 error codes in the '4xx' group.

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  2. #2
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    The 404 or Not Found error message is a Hypertext Transfer Protocol (HTTP) standard response code, in computer network communications, to indicate that the client was able to communicate with a given server, but the server could not find what was requested.

    The web site hosting server will typically generate a "404 Not Found" web page when a user attempts to follow a broken or dead link; hence the 404 error is one of the most recognizable errors encountered on the World Wide Web.

    Tracking/Checking 404 errors
    A number of tools exist that crawl through a website to find pages that return 404 status codes. These tools can be helpful in finding links that exist within a particular website. The limitation of these tools is that they only find links within one particular website, and ignore 404s resulting from links on other websites. As a result, these tools miss out on 83% of the 404s on websites. One way around this is to find 404 errors by analyzing external links.

    Another common method is tracking traffic to 404 pages using log file analysis. This can be useful to understand more about what 404s users reached on the site. Another method of tracking traffic to 404 pages is using JavaScript-based traffic tracking tools.

  3. #3
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    Here are some examples of these error pages in different browsers

    Google Chrome

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    Mozilla Firefox

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    Microsoft Internet Explorer

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    Apple Safari

    Name:  404 (2).png
Views: 488
Size:  68.4 KB

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