
Unfortunately nobody wants to tell you how many visits a site has. So you have to guess and that is kind of difficult. So Statbrain.com maybe can help you and everybody else guess. It’s reveals the number of visitors that any website has. Estimates traffic based on web statistics from other sites.
It is not an exact science, but it does give you a very good picture of how many visits a website has. It can be used for numerous purposes especially when doing research. An advertisers can get an estimate of how many visitors a site has before buying adverts.
If you want to buy a website or domain, Statbrain can give you a pretty good idea about the number of visitors the site actually has before contacting the owner. Statbrain is good for any initial research or just because you’re curious.
Source:
Statbrain.com

And you can try Traffic Estimate tool to find out approximately how much traffic a website gets
Source:
http://www.trafficestimate.com/

i wanna Know how many visitors per day come to my web site .
thanks .
Hi! I would like to suggest you my favorite tool – http://www.estimix.com – a web site statistics and web analytics service. Here you can find information about every single page on the web.
Hi, I have been quite a lurker on your website and wanted to break my silence. Your post, Check how many visitors in any site today was simply awesome.