1．统计访问该网站的用户的访问量。

2．注意：

a)当用户一台机器上已访问该网站，在刷新该网站页面、或新开页面同时访问该网站，访问量不能增加

b)当用户关掉所有访问该网站的网页后2分钟之内，再次访问该网站，访问量也不能增加

-1. Statistics users access the site visits. 2. Note: a) a machine when the user has access to the site, refresh the Web page, or visit the newly opened web page at the same time, traffic can not increase b) when users turn off all access to the site after 2 minutes of the page within another visit to the site can not increase traffic