User Identification Methods
User identification methods used by social networks and which can be used by any websites, in general, are the following:
-UserAgent and navigator settings. This is a text line used by client applications (in our case it is the browser) as their name. It includes several components.
-Screen resolution and visible area.
-Other changeable parameters.
-Web cookies, LSO Cookies, Evercookies
-HTTP Strict Transport Security
Link-type and location:
–IP address (Proxy)
-Domain Name System