Category: PHP Script Codes > php easy :: online visitors counter scripts set
Online Visitors Counter Scripts Set is intended to count and display the number of unique visitors currently viewing your site by checking the referer IP addresses. It contains 3 ready-to-use online visitor counters using 3 different methods of displaying data:

1. php include() directive
2. html iframe widget
3. javascript widget

While php include() directive can be used only within php scripts, two other methods can be called from html files as well.