Planette Earth does not use cookies, however it appears that Cookies are used a matter of course, I am currently organising a search to find what is actually happening, which will require the assistance of a more tech enabled person than myself.

I do purchase information on who ( Who refers to the ISP provider information, much of this is visits by"Bots" etc which are dead programs as opposed to live people using their computer.) has visited Planette Earth which gives me  the following information on visitors:

Returning Visits - Based purely on a cookie, if this visitor is returning to the website for another visit an hour or more later

First Time Visits - Based purely on a cookie, if this visitor has no cookie then this is considered their first time.

Unique Visits - Based purely on a cookie, this is the total of the returning visits and first time visits - a total count of visits.

Page Views - The number of times a page has been visited.