Or, your Internet Service Provider (ISP, IP) may be selling your click habits to firms that buy them en masse. Otherwise, your obscurity would then be, perhaps mercifully, preserved--unless you are host to some other means ensconced on your own computer in the form of click-counters' cookies that send out signals as to what you are doing each time you make a move, check an ad, whatever. This is not necessarily bad, depending on your own concerns and privacy values.
MSNBC carries a report by Catherine Holshan, "Who's Counting Clicks, and How -- There are lots of ways to measure Web traffic. Here's a glance at some of the more common approaches " (Apr30,2k7).
A host of companies are doing their level best to keep tabs on how many people are visiting a given Web site, and what those users do while they are there. Some use tags installed on a user's Web browser, while others extrapolate surfing habits from a sample audience. A handful use a combination of several methods. Here's a glance at a range of approaches, with a look at what each has to say about one popular online video site, Metacafe.Technotes, by Technowlb
Here's the varied list of click-counters and analysts, that Ms. Halshan evaluates as to What, How, Strengths, Weaknesses. Dare I advise readers to click-up her article?
Alexa Internet, owned by Amazon (AMZN)
Compete Inc.
comScore
Google Analytics (GOOG)
Hitwise
Omnitecture (OMTR)
Nielsen//NetRatings (NTRT)
Qantcast
generic - internal server logs
used by individual net companies
to track the traffic that click
onto their own sites
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