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Ghostery - a great web extension, but shady business practices?

Tracking internet users as they surf the web is an affront to personal privacy, but is so useful as an advertising tool that it has become almost ubiquitous.

In order to combat this tracking, a number of browser extensions have been developed, and, with around 20 million users, Ghostery is among the most popular of them.

What many of those users may be very surprised to learn is how Evidon, the parent company to Ghostery, makes its money.

Evidon actually helps advertising companies by collecting information on the trackers that Ghostery users see, and then sells that information to advertisers (many of whom are responsible for the trackers in the first place!)Advertisers, ever keen for greater understanding of the market, so that they can improve their online marketing abilities, lap the information up.

 ghostery ghostrank


In other words, the company we trust to protect us from advertisers, profits from helping those same advertisers! Many are likely to feel uncomfortable about that.

As a way to make money this has proven highly successful, as Evidon CEO Scott Meyer boasted in an interview with VentureBeat,

We’ve got a really nice business model.

We have a feeling that the Electronic Frontier Foundation (EFF) had business practices such as this in mind when it developed its own anti-tracking extension Privacy Badger, and in its FAQ when asked ‘How is Privacy Badger different to Disconnect, Adblock Plus, Ghostery, and other blocking extensions?’, it answered,

‘Several of these extensions have business models that we weren't entirely comfortable with.


In fairness to Evidon, it is completely open and transparent about its business model, the Ghostrank feature is entirely opt-in (disabled by default), and all information collected from volunteers is completely anonymous.

In the past we have always recommended the open source anti-tracking extension Disconnect over Ghostery, and this recommendation stands (although even more so now). The EFF’s Privacy Badger is also a good alternative, although it is still in the early stages of development and so may contain vulnerabilities and flaws.

Mobile users have much less of a choice when it comes to anti-tracking extensions, as Disconnect and Privacy Badger are compatible with desktop systems only. Ghostery on the other hand is available for both iOS and Firefox Android, and so remains the best (only) option for users on the go…

Written by: Douglas Crawford

With over five years’ experience at the sharp end of the VPN industry, Douglas is a recognized cyber-privacy expert. His articles have been published by numerous technology outlets, and he has been quoted by the likes of The Independent, Ars Technica, CNET and the Daily Mail Online.


  1. Timothy Jenson

    on July 11, 2014

    That is not necessarly true, Disconnect offers a mobile solution iOS devices called Kids Privacy, which is a misnomer in my opinion as it works just as well for adults. Why they call it kids privacy, I am not sure, but I think it has to do with how the laws are written regarding data collection for mobile devices. Anyway here is where you can find out more about it. It's called, "Disconnect Kids" you can find it here https://disconnect.me/kids.

    1. Douglas Crawford replied to Timothy Jenson

      on July 14, 2014

      Hi Timothy, That's a great catch, thanks.

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