host Shang Xiaozhang’s blog picture:
Yslow is a YAHOO "scoring system, a detailed list of parameters affecting the page loading speed, there is no more to say.
I think the web optimization is mainly divided into two categories, one is called soft and hard optimization optimization. Software optimization mainly includes: the server and the browser cache class local cache, the optimization is mainly on the changes in parameter settings. Hard optimization includes: transmission line, CDN, the number of HTTP requests, bandwidth and other infrastructure projects.