304 not modified

Learn about 304 not modified, we have the largest and most updated 304 not modified information on alibabacloud.com

$ OK (from cache) with 304 not Modified

Explain:The "from cache" is the browser does not confirm with the server, directly using the browser cache;304 Not Modified is a cache that the browser and server have confirmed more than once for cache validity.Trigger difference:The "from cache"

Jersey (1.19.1)-Conditional GETs and returning 304 (not Modified) responses

Conditional GETs is a great a-to-reduce bandwidth, and potentially server-side performance, depending on how the inform Ation used to determine conditions is calculated. A well-designed web site may return 304 (not Modified) responses for the many

Code and principle of 304 Not Modified on the asp.net page, 304 modified

Code and principle of 304 Not Modified on the asp.net page, 304 modified Through the previous example, we have seen the benefits of Caching: it can be reduced to server access, because the page can be displayed without accessing the server, which

304 Not modified code and principle for ASP.

From the previous example, we have seen the benefits of caching: it is possible to reduce access to the server, because the server can display the page, which for the server, can alleviate some of the access pressure. However, if the user forces the

Introduction to resource-based HTTP cache implementation

We all know that the browser will cache the webpage that has accessed the website. The browser accesses a webpage through the URL address, and the webpage content will be cached on the computer while displaying the webpage content. If the webpage is

Introduction to resource-based HTTP cache implementation

We all know that the browser will cache the webpage that has accessed the website. The browser accesses a webpage through the URL address, and the webpage content will be cached on the computer while displaying the webpage content. If the webpage is

Use ETags to reduce Web application bandwidth and load

Introduction to using ETags to reduce Web application bandwidth and load Recently, the public has been strongly interested in the REST-style application architecture, indicating that the elegant design of the Web has begun to attract attention. Now,

HTTP caching in-depth practice

Reprinted from: HTTPS://WWW.JIANSHU.COM/P/32733A356ACF Network-specific latency and the cost of data transmission, restricting the Internet to quickly obtain web resources. To this end, the HTTP protocol introduces caching to space-time, allowing

HTTP-Conditional Request

When the HTTP request contains the header of the if-xxx style, the server will judge the attached condition, and the request will be executed only if the specified condition is true. Such requests have five headers, namely If-modified-since,

Spring 4 Official Document Learning (11) HTTP caching support for the WEB MVC framework

A good HTTP caching strategy can significantly improve the performance of Web applications and the experience of their clients. The main use of the "Cache-control" HTTP response header to complete, with conditional headers such as "last-modified"

Browser cache insider and getlastmodified Method

The httpservlet class defines a getlastmodified method. Its complete syntax is defined as follows: Protected long getlastmodified (httpservletrequest req) The returned value indicates the number of milliseconds that have been calculated since 00:00:0

Http status code Daquan (200, 404, 500, etc.) CSDN), 500 and other csdn

Http status code (200, 404, 500, etc.) (to CSDN), 500 and other csdn When we send a request from a client to the serverThe server returns the status code to us.The status code is the status of the server response.Through this, we can know whether

Use the header to define it as a file and then download the readfile (hide the download address)

Sometimes, to hide the truth, we define the file as a header and then download the readfile, but this will increase the burden on the server. Generally, we do not recommend downloading large files. Sometimes, to hide the truth, we define the file as

How to cache dynamic web pages in browsers by optimizing ASP. NET performance

OutputCache is intended for all users accessing server resources. The browser cache described in this article is intended for individual users, so that the browser does not continuously access the dynamic content on the server under our control,

HTTP error code meaning Daquan-Detailed

HTTP error code meaning:"Continue":"101": Witching Protocols"$": OK"201": Created"202": Accepted"203": non-authoritative information"204": No Content"205": Reset Content"206": Partial Content"Multiple": Choices"301": Moved Permanently"302": Found"303

Use header definition as file and then ReadFile download (hide download address) _php Tutorial

Copy CodeThe code is as follows: function SendFile ($fileName, $fancyName = ", $forceDownload = true, $speedLimit = 0, $contentType =") { if (!is_readable ($fileName)) { Header ("http/1.1 404 Not Found"); return false; } $fileStat = stat

How to Use HTTP cache to improve webpage Performance

The Performance of a website must be considered in two aspects: the operational efficiency on the Server side and the efficiency on the Client side. Do not think that the Server is highly efficient. This website or service is highly efficient for

Using the header defined as a file and then readfile download (Hidden download address) _ php skills

Sometimes, to hide the truth, we define the file as a header and then download the readfile, but this will increase the burden on the server. generally, we do not recommend downloading large files. The code is as follows: Function sendFile ($

Php sends materials

Php sends a file & lt ;? PhpfunctionsendFile ($ fileName, $ fancyName, $ forceDownloadtrue, $ speedLimit0, $ contentType) {& nbsp; if (! Is_readable ($ fileName) & nbsp; & php send file Function sendFile ($ fileName, $ fancyName = '', $

Building a specification REST API with ASP. NET Core 2.1--Caching and concurrency

Https://www.cnblogs.com/cgzl/p/9165388.htmlSome of the preparatory knowledge required for this article can be seen here: http://www.cnblogs.com/cgzl/p/9010978.html and http://www.cnblogs.com/cgzl/p/9019314.htmlTo establish a Richardson maturity

Total Pages: 15 1 2 3 4 5 .... 15 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.