When a user attempts to access content on a server that is running Internet information Services (IIS) through HTTP or File Transfer Protocol (FTP), IIS returns a numeric code that represents the state of the request. The status code is recorded in
CACHE:A Collection of data duplicating original values stored elsewhere on a computer, usually for easier access--wikipedia
Caching is a key technology in a system's rapid response, a set of things that are saved for future use, between
Objective:In the same network environment, two also can meet your needs of the site, a "duang" of the load out, a tangled half a day just out, you will choose Which? Research shows that: the user most satisfied with the open page time is 2-5 seconds,
These status codes represent a temporary response. The client should be prepared to receive one or more 1xx responses before receiving a regular response.100-Continue.101-Switch protocol.2XX-SuccessThis type of status code indicates that the server
Introduction to HTTP protocol A brief introduction to the five-layer network protocol.
Physical layer: To achieve a physical level of bitstream transmission, such as converting 0101 into a voltage signal through the cable transmission. At
HTTP request Header Overview (HttpServletRequest) An HTTP client (for example, a browser) that must indicate the type of request (typically get or post) when sending a request to the server. If necessary, the client can also choose to send another
Research on the caching problem in the development of J2eeweb
In general, the browser will cache the content of the page has been visited, about how to prevent browser caching, the introduction of the Internet everywhere there are related articles,
Learn how to build a faster web site through fiddler. In this article, we'll use Fiddler to explore HTTP performance, caching, and compression.
If you have not installed and configured Fiddler, please start with the first article.
Overview of HTTP
This article summarizes the HTTP protocol used by header in PHP and the common methods. Share to everyone for your reference. The specific methods are as follows:
Copy Code code as follows:
? Php
function HTTPS ($num) {
$http = Array (
Learn how to build a faster web site through fiddler. In this article, we'll use Fiddler to explore HTTP performance, caching, and compression.
If you have not installed and configured Fiddler, please start with the first article.
Overview of HTTP
Reference is from RFC 2616 and is extended by RFC 2518, RFC 2817, RFC 2295, RFC 2774, RFC 4918, and other specifications. The red word represents a few of the more common status CODE
"Continue":
"101": Switching protocols
"102": Processing
I. Basic format of the requestThe basic format of the request consists of the request line , the request header , and the request entity three parts. For example:Get/img/bd_logo1.png http/1.1Accept: */*referer:http://www.baidu.com/Accept-language:zh-
I. Basic format of the responseThe response basic format includes the status line , the response header , and the response entity Three parts, for example:http/1.1 OKserver:jsp3/2.0.6date:wed, Geneva 08:19:53 GMTContent-type:image/gifcontent-length:4
I. Basic format of the requestThe basic format of the request consists of the request line, the request header, and the request entity three parts. For example:Get/img/bd_logo1.png http/1.1Accept:
One, what is curl?CURL is a tool that uses URL syntax to transfer files and data, and supports many protocols, such as HTTP, FTP, Telnet, and so on. Best of all, PHP also supports the CURL library. Using the PHP Curl Library, you can easily and
Summary of html5 offline storage problems
An important feature of HTML5 is offline storage. The so-called offline storage is to save some resource files locally, so that subsequent page reloading will use local resource files, you can continue to
Http protocol learning summary, http Protocol Summary
This article is a summary of the basic knowledge of Http over the past few days. The content includes the principles of the Http protocol, Http request information, Http response information, and
Detailed explanation of browser cache issues when jQuery is used in ASP. net mvc, mvcjquery
Introduction
Although jQuery provides good support for caching when calling ajax in the browser, it is necessary to know how to use http efficiently.
The
The golden rule for performance is only 10% & amp; ndash; 20% of end users spend time downloading HTML documents, and the remaining 80% ~ 90% of the time is spent on all the components on the download page (80%-90% of the user's waiting time is from
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