widen cdn

CDN is the abbreviation of Content Delivery Network, that is the meaning of "contents distribution network". Generally speaking of the Cdn acceleration, generally refers to the Web site acceleration or user download resources accelerated. The basic idea of CDN is to avoid the bottleneck and link that may affect data transmission speed and stability as far as pos

CDN can directly determine whether the Web page itself is purely static or pseudo-static, so if the page itself belongs to the pure static CDN do not operate anything, CDN Direct cache in effect.If it is pseudo-static, especially in the Web page there are some other user-related logic, this is the CDN every request wil

Introduction to CDNCDN (Content Delivery Network)Content distribution network: All clients can get the closest resources from their ownDNS split parsing featureResolve the same host name to a different IP address, depending on the client source address202.16.0.20DnsHttp://www.163.comPC1 192.168.1.1 3.3.3.9PC2 192.168.1.2 192.168.1.100DNS 202.106.0.20 (separation resolution)Http://www.tarena.comWww.tarena.com. In CNAME squid1.lxcdn.netLxcdn.net DNSIP Address DNS ServerDNS for network segment DNS

With the development of network technology in recent years, CDN has not only been used to accelerate the website, but also can protect the website from being attacked. The successful establishment of the dynamic acceleration mechanism and the intelligent sinking mechanism in the relevant node of CDN can help the web traffic distribution to each node, intelligent flow Distribution mechanism, if the

1.1.1 Summary I believe everyone has heard of CDN and even used related technologies. Maybe some people will answer "I have never heard of or used this technology". Is that true? CDN stands for Content Delivery Network (CDN. The purpose is to add a new network architecture to the existing Internet to publish website content to the "edge" closest to the user's ne

a critical value. If your website is opened for more than 8 seconds, most visitors will eventually leave you. According to some sample surveys, visitors tend to think that websites with faster access speed are of higher quality, more credible, and more interesting. Correspondingly, the slower the webpage is to open, the stronger the psychological frustration of visitors, and the doubt on the credibility and quality of the website. (Refer to the psychology of webpage opening speed) If such a poo

Requirements Description Website www.xxx.com, Environment WIN64 WAMP, distribution 3 Too server, main 1 units, 3 units. The images used in the/css/js are placed in the www.xxx.com/Public/directory. Requirements are introduced in the site/public directory js/css will automatically compress, facilitate the opening speed. Original plan Through Jsminify + htaccess, the request address of the JS/CSS in the Access/public directory is directed to PHP in Jsminify and then automatically compressed via th

has been using grunt, the total sense of Grunt parameter configuration method is very cumbersome, not a clearer flow, coupled with their own gulp flow operations more interested in the decision to go to gulp. Believe that the front-end ER in the release of their own code, if not using some of the front-end building tools, for frequent online projects, their own manual compression and packaging to replace the CDN prefix that is a terrible thing. So u

10 domestic and foreign jQuery CDN performance competitions, jquerycdn JQuery is the most common and popular javascript library in front-end development. How can we load it to improve the performance of our projects and ask what to use CDN? When users access their websites, they load files from the server. Each server can only download 2-4 files at the same time, which will reduce the file execution efficie

CDN Basic concepts and background For CDN, you can refer to the following terms: Content distribute network, which can be directly translated into a content delivery network or written into contentDelivery Network: Content Delivery network. Obviously, CDN completes the task of transferring content from the source station to the user end. Of course, we do not need

The CDN cache cannot be used for images generated by php files. The solution to the inability to use CDN cache for images generated by php files this article mainly introduces the solution to the inability to use CDN cache for images generated by php files, the PHP image generated here refers to the solution that the image generated by the s PHP file cannot be ca

请求状态 $bytes_sent 发送给客户端的总字节数。 $http_referer 记录从哪个页面链接访问过来的 $http_user_agent 记录客户端浏览器相关信息 $upstream_addr 后台upstream的地址，即真正提供服务的主机地址 $request_time 整个请求的总时间Below we are looking at the specific log: 115.45.71.215--[21/dec/2015:00:01:34 +0800] "get/bbs/sidebar/sidebar.php?t=1450627317853callback=cal48995 http/1.1 "313" http://www.xxxx.com.cn/bbs/viewthread.php?tid=25687628page=2 "" mozilla/5.0 (Windows NT 5.1) applewebkit/537.36 (khtml, like Gecko) chrome/31.0.1650.63 safari/537.3

example, our scientific Internet access is to use the forward proxy, in order to achieve the purpose of indirect access to the site, and reverse proxy on the server side, no active link , when we visit a Web site that has a reverse proxy, we actually access its reverse proxy server, not the actual server, and the reverse proxy server forwards the request to the server when the request arrives at the reverse proxy server. Reverse proxy is one of the mainstream means to achieve load balancing, us

How do I obtain all (cdn server) addresses of a website? I used several websites to resolve the dns and found that the IP addresses were not comprehensive. I didn't cover all cdn addresses. How can I find all cdn addresses? How do I obtain all (cdn server) addresses of a website? I used several website IP addresses af

Many sites are separated by static files. I recommend a way to handle static file separation.BundleExtensions.cspublic static class Bundleextensions {public static string Version = "1.0.0"; public static string Scriptspath = "Cdn"; public static bundle Production (the This bundle bundle, String CDN, String root, String minified, string full = "") { C6/>var transform

jquery is the most common and popular JavaScript library in front-end development, how to load it to make our projects more performance and ask what to use CDN? When users visit their own site loading files from the server, each server can only download 2-4 files, which will reduce the efficiency of the file execution, if more than a few servers, so that the number of simultaneous loading of files is (2-4) * The number of servers, So we put jquery on

What files fit to load with CDN CDN is mainly used for loading some static resource files, such as JavaScript files, CSS style files, fonts, pictures, videos and other resource files. These files tend to be handled in some of our front-end servers (Nginx), and a CDN can be used to exempt the front-end server parts from the work. Benefits of using

ArticleDirectory Microsoft CDN service Google CDN service Preface The optimization of website design is a big topic. There are some general principles and some suggestions for different development platforms. This research has never been stopped, and I have shared this topic on different occasions. As a general principle, Yahoo's team of engineers once provided 35 best practices. For this

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