How does CDN acceleration work? What are its benefits?

Many website operators believe in a principle that guides them to optimize the access speed and page performance of the website. It is the "8-second principle". The "8-second principle" means that when a user opens a website, the recording time cannot exceed 8 seconds. Once the time is too long, the website will lose this user, even if the website's page is beautifully made and rich in content.

Nowadays, more and more webmasters use CDN to speed up their websites in order to improve their website access speed. So how does CDN work? What are the benefits of CDN for websites?

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How CDN acceleration works

The working principle of CDN acceleration is to cache various resources of the source station to CDN nodes across the country or even around the world like copying and pasting. When users initiate access to the source station, they can obtain the data information closest to them without having to visit the source station. In this way, line congestion when accessing the source station is avoided, and the access pressure of the source station is also reduced, while allowing users to get a faster access experience.

Benefits of CDN Acceleration

1. Improved security

After the website is connected to the CDN acceleration service, users can only access the CDN node when accessing it, and the source station will be hidden, which to a certain extent protects the source station from the risk of being attacked. Since the various nodes of CDN acceleration are relatively scattered, attackers cannot attack all of them when launching an attack, which increases their attack difficulty. Attacking one node only affects the cache access of one node.

2. Improve website access speed

The most direct benefit of CDN acceleration is that it greatly improves the access speed of the website. CDN acceleration can break through the bandwidth speed bottleneck limit and expand the bandwidth reception capacity, so that users will not be crowded when accessing the website. The multiple node layout of CDN acceleration enables users in different places to access the nearest node resources, allowing users to obtain information faster.

3. The website is not easy to hang up

When a website is flooded with huge traffic at the same time, using CDN can reduce website downtime and allow your website to receive more traffic. The time users spend on the website is increased, and the bounce rate will be greatly reduced, which is also beneficial to various conversions of the website.

So, do all websites have to use CDN? At present, most websites that use CDN acceleration are industry websites such as games, e-commerce, and live broadcasts. Secondly, there are websites that are not well prepared in the early stage of website construction and want to improve the access speed of the website. For the above websites, from the long-term consideration, from the perspective of website security and stability, it is recommended to configure and use CDN acceleration.