304 not modified

Reprint: http://blog.csdn.net/mothz/article/details/6029810PHP//200 normal StateHeader(' http/1.1 OK ');//301 Permanent Redirect, remember to add a redirect address at the back location: $urlHeader(' http/1.1 301 Moved permanently ');//redirect , in

the meaning of the HTTP Protocol status code is mainly divided into five categories , which are generally :~~~~~~~~~~~~~~~~~~~~~~~~~~~~1xx reserved 2xx indicates that the request was successfully received by 3xx Request further refinement of

This article mainly introduces relevant information about the Community version of Node. js static file server. If you need it, please refer to it. First of all, thank github for providing the source code on github. Compared with last night's static

200– Server successfully returned page 404– requested page does not exist 503– service is not available1XX (Temporary response)A status code that represents a temporary response and requires the requestor to continue the operation.Code description100

1XX: Information message Description Continue The server only receives partial requests, but once the server does not reject the request, the client should continue to send the remaining requests.

Status Code reason Phrases representative meaning HTTP version Message response 100 ContinueContinue to The client should continue to send the request. This temporary response is used to

This article is translated from: https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching, mainly used for personal records and sharing, if there are errors, please do not hesitate to correct, thank you!The performance of Web sites and applications

We all know that 404 is found in wood, 301 is the definition of turn, but how many people know 206 or 307? This article will give you a list of the various HTTP status code meaning, suitable for long-term collection. Status Code

Recently in the study of the source code of the volley framework, found that it is more interesting in the use of HTTP requests, in Android 2.3 and later, using the HttpURLConnection, and in Android 2.2 and below, using the httpclient. I am also

With the development of the browser, from the original WEB1.0, to the present WEB2.0, as well as the future of the web3.0,ajax-asynchronous request data technology are we have to learn the mainstream technology. With this feature of Ajax, we can not

（转自http://www.linux178.com/web/httprequest.html）写的太好了，转一个。For the HTTP protocol, refer to the following:HTTP协议漫谈 http://kb.cnblogs.com/page/140611/HTTP协议概览 http://www.cnblogs.com/vamei/archive/2013/05/11/3069788.html了解HTTP Headers的方方面面

201-206 indicates that the server successfully processed the status code of the request, which indicates that the Web page can be accessed normally.200 (success) The server has successfully processed the request. Typically, this indicates that the

Ajax method Summary 1. Native AjaxGet request differs from POST request: yellow triangleTake the GET request as an example, the output is as follows:Ajax in 2.jqueryThe 6 commonly used methods are listed:3. Status DescriptionReadyState 0:

1. IntroductionHTTP is an object-oriented protocol belonging to the application layer, which is suitable for distributed hypermedia information System because of its simple and fast way. It was proposed in 1990, after several years of use and

First,HTTP status CodeIf a request is sent to your server asking to display a webpage on your site (for example, when a user accesses your page through a browser or Googlebot crawls a webpage), the server returns an HTTP status code in response to

Defining the Encoding Header ( ' Content-type:text/html;charset=utf-8 '); Atom Header (' Content-type:application/atom+xml '); Css Header (' content-type:text/css '); Javascript Header (' Content-type:text/javascript ');

201-206 indicates that the server successfully processed the status code of the request, which indicates that the Web page can be accessed normally.200 (success) The server has successfully processed the request. Typically, this indicates that the

This article mainly shares a tips on returning a 304 php static file. For more information, see This article mainly shares a tips on returning a 304 php static file. For more information, see Sometimes some static files (slices) are

Maybe someone immediately says the storage path when this problem is thrown out. But think about this problem. If the path is stored, you can only store one path in the database or cache, and the call is a file call. When there are a lot of project

This article describes how to compress pages to save website bandwidth and increase user access speeds. The website access speed is determined by multiple factors, such as the application response speed, network bandwidth, server performance, and