Etymologie, Etimología, Étymologie, Etimologia, Etymology
@_ Welt, Mundo, Monde, Mondo, World
Fehler, Faute, Mistake
4
404 (W3)
Falls eine Internetseite nicht gefunden werden kann, wird die Fehlermeldung "404" zurückgegeben. Am Bildschirm wird eine entsprechende Fehlermeldung angezeigt. Die Fehlermeldung kann aber auch pauschal vom Provider oder individuell vom Ersteller einer Webpräsenz abgefangen werden und eine entsprechend vorbereitete Seite mit Informationen für den suchenden Websurfer angezeigt werden.
(E?)(L?) http://www.404errorpages.com/
- 404 Error Pages | Overview | HTTP Status Code | Origin of Status Codes | List of Status Codes | Meaning of 404 | Content of a 404 Error Page | Soft 404s | 404 Error Percentages | Tracking and Preventing 404 Errors | Using Log Files | Using Redirects | Using robots.txt File | Customization of 404 Error Pages | Qualities of A Good 404Error Page | Forcing Internet Explorer to Display Your Custom 404 | .htaccess File | Using .htaccess File
- Tutorial - Custom 404 Error Page | Customizing 404 Error Page Using the .htaccess File on Apache Based Servers | Step 1: Create a Customized 404 File Not Found Error Page | Step 2: Create a .htaccess File | Step 3: Upload Both Files | Step 4: Test the Page | Common Errors
- Examples of 404 Error Pages | Examples of 404 Error Pages | Creative 404 Error Pages | Efficient 404 Error Pages | Commercial 404 Error Pages | Funny 404 Error Pages | Weird 404 Error Pages
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Origin of Status Codes
As a part of the HTTP 0.9 specifications, the World Wide Web Consortium (W3C) established HTTP status codes in 1992. Tim Berners-Lee, who invented the web and the first web browser in 1990, defined the status codes.
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(E?)(L?) http://www.404lab.com/404/history.asp
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What do the numbers mean?
Let's dissect 404.
The first 4 indicates a client error. The server is saying that you've done something wrong, such as misspell the URL or request a page which is no longer there. Conversely, a 5xx error indicates a server-side problem. It also indicates an error which may be transient; if you try it again, it may work.
The middle 0 refers to a general syntax error. This could indicate a spelling mistake.
The last 4 just indicates the specific error in the group of 40x, which also includes 400: Bad Request, 401: Unauthorized, etc.
"Room 404" asserts that 404 was named after a room at CERN (if you read about Tim Berners-Lee above, you'll know that that's where the web began) where the original web servers were located. However, Tom S. tells us:
"Having visited CERN myself, I can tell you that "Room 404" is not on the fourth floor - the CERN office numbering system doesn't work like that - the first digit usually refers to the *building* number (ie. building 4), and the second two to the office number. But, strangely, there is no room "04" in building "4", the offices start at "410" and work upwards - don't ask me why. Sorry to disappoint you all, but there is no Room 404 in CERN - it simply doesn't exist, and certainly hasn't been preserved as "the place where the web began". In fact, there *is* a display about this, including a model of the first NeXT server, but the whole "Room 404" thing is just a myth."
According to the W3C, 404 Not Found is only supposed to be used in cases where the server cannot find the requested location and is unsure of its status. If a page has permanently been deleted, it is supposed to use 410: Gone to indicate a permanent change. But has anyone ever seen 410? It must be 404...
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(E?)(L?) http://www.404lab.com/404/
Informationen zur Erstellung von Fehlerseiten für einen Webauftritt.
- blimp 404: oh, the humanity! There are lots more where this came from: Area 404.
- Links to the best 404 Not Found errors on the web, researched and categorized for your surfing enjoyment. Add yours!
- Make sure your site's visitors get where they need to go. How to make your own 404 page, plus other tips and hints.
- A Loving Tribute to 404 Not Found.
- Our research has shown that up to 70% of the 404s you encounter can be corrected. Here are some tricks that will make you a 404 conqueror.
- The strange and sometimes scandalous history of 404. What you see here will shock and amaze you.
(E?)(L?) http://www.abseits.de/error404_seiten.htm
Informationen zur Erstellung von Fehlerseiten für einen Webauftritt.
(E?)(L?) http://www.aspheute.com/artikel/20000608.htm
Informationen zur Erstellung von Fehlerseiten für einen Webauftritt.
(E?)(L?) http://www.drweb.de/magazin/tag/404/
Informationen zur Erstellung von Fehlerseiten für einen Webauftritt.
(E?)(L?) http://mashable.com/2010/09/04/404-error-pages/#347631-The-North-Face
35 Entertaining 404 Error Pages
(E?)(L1) http://www.webmaster-resource.de/fehlerseiten.php
Informationen zur Erstellung von Fehlerseiten für einen Webauftritt.
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