Your impressions on the internet

When you visit a website, the website will take the data that can be used to identify you, such as:

• IP address
• Name of provider
• PC Name
• Operating system
• Type of browser (user agent)
• browser plugin
• referrers
• the cookies
  

Data over the information that is known by too many website

How to prevent:
IP address: use anonymous proxy servers .

Referrers : refer to the website or link from which you came to visit the URL now. in opera browser setting, non-switch option "enable referrer logging"

User agent : refers to the type of browser used, this option is used in the opera browser but there is no more on the newest series