301 Moved Permanently The requested resource has been permanently moved to a new location, and any future references to this resource should use one of several URIs returned by this response. If possible, clients that have link editing capabilities should automatically modify the requested address to the address returned from the server. Unless otherwise specified, the response is cacheable. The new permanent URI should be returned i
the program, as above is constructed in the context of the request, If you want to test in the context of a program in the With App.test_request_context (): code blockJump Orientation:
Description: Flask.url_for is responsible for constructing the URL, while the flask.redirect is responsible for redirecting, receiving 2 parameters, the first is the URL address, the second parameter is the code status code, jump (301) for the old URL before disc
Http status code: 301, 302 redirection, 302 redirectionConcept
301 Moved Permanently the requested resource has been Permanently Moved to a new location, and in the future, any reference to this resource should use one of several Uris returned by this response. If possible, clients with the link editing function shou
The difference between 301 and 302 in the HTTP return code(2012-10-15 22:06:09)reproduced
Category: Front page control
A Official statement301,302 is the encoding of the HTTP state, which means that a URL has been shifted, except that:301 redirect:
List of HTTP status codes
301 Moved Permanently
#This and all future requests should be directed to the given URI.
#This is an example of industry practice contradicting the standard. The HTTP/1.0
Specification (RFC 1945) required the client to perform a temporary redir
Prerequisites for using this method
1: You have control over the server and can operate IIS
2: You need to create two sites, one without WWW and the other with www.
If your website is zuogewangzhan.com, then the http://zuogewangzhan.com/vps.html was included for other reasons.
And what you want is that http://www.zuogewangzhan.com/vps.html is included
At this time, we need to redirect to 301.
, that site is not with the WWW domain name 302 Redirect to the WWW, I found only to change it to 301 redirect, no other external factors, the results are also updated after the Baidu monthly, the keyword ranking back; And I also noticed that before, although there are keyword rankings, although relatively lean, but is
the redirected new link to the index.
For example: If using 301 to redirect http://www.neegou.com to http://www.google.com, then the search engine thought www.neegou.com no longer exists, and later only included www.google.com. 301 redirects are useful when the site needs to refactor URLs.
For example, the previous URL is similar to: http://www.neegou.com/
In the server 301 and 302 for the search engine is a permanent jump new address, one is to tell you temporarily to a new address, then we in PHP How to implement the 301 permanent Redirect and 302 temporary redirect, let's look at
One, HTTP status code:1XX: (Information status code), the accepted request is being processed.2XX: (Success status code), request normal processing completed.3xx: (redirect status code), additional action is required to complete the request.4XX: (Client Error status code), the server cannot process the request.5XX: (Service side error status code), server processing request error.Two, explain the difference between
The difference between HTTP status Codes 301 and 302 and enterprise application cases1. What is 301 redirect?301 Redirect/Jump generally means that this page is permanently transferred to another address.
The difference between HTTP status Codes 301 and 302 and enterprise application casesOriginal: http://blog.51cto.com/oldboy/17742601. What is 301 redirect?301 Redirect/Jump generally means that this page is permanently transferred
redirection, the code is as follows:
header("Location: http://www.phprm.com/"); exit();
The PHP 404 error is included with the code below:
header("HTTP/1.1 404 Not Found"); exit();
Here we will talk about php 301 and 302 redirection. The following is an example of apache practice:
The APACHE code is as follows:
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