In his blog, Lao Wei often mentioned that there are many advantages to set up a CDN for a website, such as speeding up the website and preventing malicious attacks. In related articles, does ECS still use CDN acceleration? What website needs CDN? It is estimated that some people may not believe it when they see it, and may not follow my instructions (or be too lazy to do it) when they believe it. So today, Old Wei will take
