--Benefits to visitors ' users
For the user, if a Web site opens a CDN, user access speed or download speed will be faster than not open. At present, as long as a good number of sites, will open CDN function, mainly to enhance the user experience.
--the benefits to the website
For the site or webmaster from, opened the CDN not only can enhance the speed of Web site opening, enhance the user experience. More importantly, opening a CDN can reduce the bandwidth pressure of hacker tools and servers.
After the launch of the CDN Web site, different areas of user access will be different servers, and the site's real server (source server) generally only CDN node back to access, users across the country to visit the CDN node server, does not directly access the source server, so you can introduce Web server broadband resources, Reduce server pressure.
In addition, there is a CDN node in the middle block protection, you can better protect the security of the original server. That is to say CDN for user source station server in the security cloud provides a stand-in, whether infiltration or DDoS attack, the target of the attack will be CDN node double, and then protect the site source station.
How to see whether a Web site to open CDN acceleration it? This is very simple, as long as the test tools to test the speed of the site, if different IP address access, the site opened CDN acceleration. Very early on the CDN acceleration, you can use the "Qiyun test" tool online testing, after testing can be seen in different areas of users access to the Pepsi network, access to the IP are not the same, as shown in the following figure.
What is the meaning of CDN, in the end what is the role for everyone to share here, in fact, not only is the site or webmaster, we each Internet users in fact as long as the Internet in the experience of CDN acceleration, CDN in the network can be said to be everywhere, because the major well-known sites are basically opened CDN In addition, we use Thunder to speed up downloading things, the acceleration here is also based on CDN technology.