tracking

Cookieless cookies

Работает через ETag картинки

There is another obscure way of tracking users without using cookies or even Javascript. It has already been used by numerous websites but few people know of it. This page explains how it works and how to protect yourself.

This tracking method works without needing to use:

• Cookies
• Javascript
• LocalStorage/SessionStorage/GlobalStorage
• Flash, Java or other plugins
• Your IP address or user agent string
• Any methods employed by Panopticlick

http://lucb1e.com/rp/cookielesscookies/