![]() Many websites create custom 404 error pages that will help users locate a valid page or document within the website. Read more on common error codes at our common HTTP status codes article. From there you may be able to find the page you’re looking for. If that doesn’t work, backtrack by deleting information between each backslash, until you come to a page on that site that isn’t a 404. On a 404 error, for example, you could look at the URL to see if a word looks misspelled, then correct it and try it again. Knowing the meaning of the status code can help you figure out what went wrong. This means the webpage or other document you tried to load in your Web browser has either been moved or deleted, or you entered the wrong URL or document name. It means the Web server cannot find the file you requested. These error messages, also called HTTP status codes are response codes given by Web servers and help identify the cause of the problem.įor example, “404 File Not Found” is a common status code. HTTP Status Codes are Error MessagesĮrrors on the Internet can be quite frustrating - especially if you do not know the difference between a 404 error and a 502 error. ![]() ![]() This shortcoming of HTTP is addressed in a number of technologies, including ActiveX, Java, JavaScript, and cookies. This is the main reason that it is difficult to implement Web sites that react intelligently to user input. HTTP is called a stateless protocol because each command is executed independently, without any knowledge of the commands that came before it. Recommended Reading: Webopedia’s HTTP response header and HTTP request header definitions. The other main standard that controls how the World Wide Web works is HTML, which covers how Web pages are formatted and displayed. Developed by Tim Berners-Lee, HTTP defines how messages are formatted and transmitted, and what actions Web servers and browsers should take in response to various commands.įor example, when you enter a URL in your browser, this actually sends an HTTP command to the Web server directing it to fetch and transmit the requested Web page. HTTP is the underlying protocol used by the World Wide Web. HTTP means H yper T ext T ransfer P rotocol.
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