Server-side redirect
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A server side redirect is a method of URL redirection using an HTTP status code (eg. 301 Moved Permanently, 303 See Other and 307 Temporary Redirect) issued by a web server in response to a request for a particular URL. The result is to redirect user's web browser to another web page with a different URL.
One method of implementing server-side redirects is the .htaccess file supported by most Apache web servers. An example of the code used is as follows.
redirect 301 /index.html http://www.example.org/index.html
Common uses of server-side redirects include:
- redirecting people away from a discontinued server
- load balancing
- redirecting to error pages if a discontinued URL is used
- link use tracking, as done at the AltaVista search engine
- spamdexing
- ensuring old links and bookmarks still work when a page is renamed
- allowing users to use an abbreviated URL in place of a longer (perhaps less memorable) one
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