问题
I was going over my YSlow results for an internal web application and I clicked the Add CDN button. Now I have an A rating for using a CDN.
What just happened?
回答1:
Take a look at the YSlow FAQ on How do I add my CDN hostname to YSlow for Rule 2?
来源：https://stackoverflow.com/questions/7030252/yslow-what-does-clicking-add-cdn-do