Unique Visitor

what are the parameters in order to identify a UNique visitor. Like Cookie, browser name , et etc

all the parameters
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mcse20002000 -

IP address used to be considered a way of identifying unique visitors but is now considered highly inaccurate. As there are often multiple users for a single IP addresses simultaneously and because addresses can change from session to session IP addresses have become virtually useless for identifying uniques.

First-party cookie tracking is the preferred method although this cannot be relied upon either. Cookie blocking and deletion are endemic and a recent report from Jupiter media found that 12 percent of consumers delete cookies monthly, 17 percent weekly and 10 percent daily.

So the answer to the question "what are the parameters in order to identify a unique visitor?" is you can't accurately identify unique visitors.

- duz

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