.... it will show and track every visitor to your pages and includes a multitude of statistics. I have used this facility for many years with complete satisfaction.
..... and how to hide my source code. thanks
You may have encountered this puzzle previously -- it is a great challenge -- a good way to test your web authoring skills and a nice diversion from coding sessions. It also illustrates the futility of trying to hide source code.
StatCounter which is free to use it allows all users to install an invisible counter on their site. This is important if you wish to include StatCounter code on your site without it interrupting the design of your site.