Browser Error 404 Not Found
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Status codes 301 Moved Permanently 302 Found 303 See Other 403 Forbidden 404 Not Found 451 Unavailable For Legal Reasons v t e The 404 or Not how to fix error 404 page not found Found error message is a Hypertext Transfer Protocol (HTTP) standard response code,
Firefox Error 404
in computer network communications, to indicate that the client was able to communicate with a given server, but the html error 404 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
Url Error 404
dead link; hence the 404 error is one of the most recognizable errors encountered on the World Wide Web. Contents 1 Overview 2 Custom error pages 2.1 Tracking/Checking 404 errors 3 Phony 404 errors 4 404 substatus error codes defined by IIS 4.1 Slang usage 5 See also 6 References 7 External links Overview[edit] When communicating via HTTP, a server is required internet explorer error 404 to respond to a request, such as a web browser request for a web page, with a numeric response code and an optional, mandatory, or disallowed (based upon the status code) message. In the code 404, the first digit indicates a client error, such as a mistyped Uniform Resource Locator (URL). The following two digits indicate the specific error encountered. HTTP's use of three-digit codes is similar to the use of such codes in earlier protocols such as FTP and NNTP. At the HTTP level, a 404 response code is followed by a human-readable "reason phrase". The HTTP specification suggests the phrase "Not Found"[1] and many web servers by default issue an HTML page that includes both the 404 code and the "Not Found" phrase. A 404 error is often returned when pages have been moved or deleted. In the first case, it is better to employ URL mapping or URL redirection by returning a 301 Moved Permanently response, which can be configured in most server configuration files, or through URL rewriting; in the second case, a 410 Gone should be r
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Blogs Viruses Cameras Components Computer Accessories Consumer Advice Displays E-readers Flash Drives Graphics Cards Hard Drives Home Theater Input Devices Keyboards Laptop Accessories Mobile http://www.pcworld.com/article/2911153/when-error-404-file-not-found-strikes-how-to-remove-broken-browser-bookmarks.html Networking Operating Systems Optical Drives Processors Servers Smartwatches Streaming Services Storage Tablets Windows Answer Line Solutions, Tips and Answers for PC Problems from Josh Norem Home Web Apps When 'error 404 file not found' strikes: How to remove broken browser bookmarks Credit: Thinkstock Comments Lincoln Spector | @LincolnSpector Contributing Editor, PCWorld May 11, 2015 error 404 7:05 AM Rich Wynne wants an easy and automated way to remove broken bookmarks from his browser. Any longstanding collection of browser bookmarks is likely to have some that now point to dead URLs. You could find out which ones by clicking each individual bookmark and see if it gets a 404 error—that is, browser error 404 if you enjoy torture. Here are better solutions for Chrome, Firefox, and Internet Explorer. [Have a tech question? Ask PCWorld Contributing Editor Lincoln Spector. Send your query to answer@pcworld.com.] Chrome Try the free Chrome extension Bookmark Checker, by everhelper.me. Once installed, you click the yellow icon on Chrome’s toolbar and the program comes up as a webpage. Bookmark Checker options Here you can change the scan settings; sticking with the defaults worked well for me. After the scan, you can examine the bad links—the ones that got 404 errors. You can check individual bookmarks, or better yet, check the box at the top that selects all of them, then go through them and uncheck ones you want to save. Bookmark Checker results The Other Errors tab is similar, but with a warning that you should verify items individually. That’s good advice. I found sites here that I knew were good and use regularly. On the other hand, most of th