For example: radio stations in New Zealand choose the 40 most requested songs in a week
and put it in a list like this: www.nztop40.co.nz
Do you have one of your own?
How do you call it?
What is the URL?
Different media have different lists. Here are some popular rankings in the mainland.
http://www.musicradio.com.cn/plus/list.php?tid=961
http://y.qq.com/#type=toplist&p=top_index
http://music.cntv.cn/special/qqzwyybsb/wqbd/index.shtml