Tracking Browsers Without Cookies Or IP Addresses?

The EFF has launched a research project called Panopticlick, to determine whether seemingly innocuous browser configuration information (like User Agent strings, plugin versions and, fonts) may create unique fingerprints that allow web users to be tracked, even if they limit or delete cookies.

Preliminary results indicate that the User Agent string alone has 10.5 bits of entropy, which means that for a typical Internet user, only one in about 1,500 (2 ^ 10.5) others will share their User Agent string.

If you visit Panopticlick, you can get an reading of how rare or unique your browser configuration is, as well as helping EFF to collect better data about this problem and how best to defend against it.”



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Posted under Web Marketing on January 27th, 2010 |

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Colin Receveur is a nationally recognized speaker, author, and dental web marketing expert who has pioneered the way dentists market themselves online for the past decade. Since incorporating in 2001, Colin has established a rock solid track record with his dentist clients and turned SmartBox into a stalwart of proven results for hundreds of dental practices.