Is the JSF good for eshop application?

Hi,
I have developed the eshop application using Richfaces and found that the performance is not so good compare with other eshop systems. I wonder whether we are chose a right framework or not. Has anyone tell me that which framework is most popular for development eshop system currently?
And I found that some eshop system using the url like http://www.somedoaim.com/product/detail/ti/39/id/30080. There are no page on the url. Do you know which framework they used?
I also find that some systems using different web server for resoure like js, image, ..etc. Does this design can improve the performance of the system ?

user080701 wrote:
I have developed the eshop application using Richfaces and found that the performance is not so good compare with other eshop systems. I wonder whether we are chose a right framework or not. JSF is a good choice as long as your server hardware is decent and the code is well written.
Has anyone tell me that which framework is most popular for development eshop system currently?Most are PHP based. But that applies to other areas as well.
And I found that some eshop system using the url like http://www.somedoaim.com/product/detail/ti/39/id/30080. There are no page on the url. Do you know which framework they used?
That´s not framework specific or so. You can use pretty/friendly URL´s everywhere you want.
I also find that some systems using different web server for resoure like js, image, ..etc. Does this design can improve the performance of the system ?If you rather mean a different domain name, then yes, this is true. The allowed amount of simultaneous open connections between client and server is limited on domain name base.

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