You can put a visit counter on your site by creating an account with sites that provide with this service.
Send us the code they give you and we'll take care of inserting the counter on your site.
We recommend you this site: http://shinystat.com/
there's a free version available.
Once you've registered, enter the HTML section and click on:
You can then insert the counter in any block of your site, by using the free code
Should you encounter any problem, copy the code and send it to email@example.com
specifying the site you want it to be inserted into.