HTTP性能优化面面观（下）.pdf
今天我们继续上一个话题，看看有哪些有效的方法可以进行HTTP性能优化。在上一讲中，我提到整个 HTTP 系统中存在三个可优化的环节，分别是服务端、客户端和传输环节（“第一公里”和“中间一公里”）。 但是因为我们无法完全控制客户端，所以实际的优化通常是在服务器上完成的。 这可以细分为后端和前端。 后端是指网站的后端服务，前端是在客户端展示的HTML、CSS、图片等代码和数据。
(Today, let's continue with the previous topic to see what effective methods can be used to optimize HTTP performance.In the previous lecture, I mentioned that there are three links that can be optimized in the whole HTTP system, namely server, client and transmission ("first kilometer" and "middle kilometer"). However, because we cannot fully control the client, the actual optimization is usually completed on the server. This can be subdivided into back-end and front-end. The back-end refers to the back-end service of the website. The front-end refers to the HTML, CSS, pictures and other codes and data displayed on the client.)
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