On each page, webmaster can

1. Filter to see all the visitors or just a specific visitor.
2. If webmaster choice to display trace information for only one specific visitor, the IP address is displayed and the links the user clicked is displayed with the sequence they clicked on the page. The links also marked [1], [2], [3]... and blink with the order.
3. If all visitors are selected, the clicked links are displayed using statistic number of total click through. For example, if 13 visitors clicked one link, the link is displayed with a little [13] hover above it.
4. Clicked links are displayed using some standard style, with a number associated with it.

Data from server:

IP address, starting page, visiting pages, visit time.

For M1, I only need to finish all the visitors.