Internet Security

5 Ways to Check Who Is Tracking You Online

Gavin Phillips 25-04-2018

How much do you love online content? So much you pay for everything you can? Or do you, like the overwhelming majority of internet users, accept advertising and tracking as a way of life?


The adage goes “if you’re not paying you’re the product,” and in the internet services and media era, this is truer than ever. Finding out who and what is tracking you isn’t easy How Private Investigators Use the Internet to Track You Digital private investigators know everything about you -- the color of your car, who you voted for, your favorite films... everything. But where do they find this information, and who is profiting from it? Read More , but there are a number of sites and browser extensions that give you a little more clarity. Here are some of the best.

1. Panopticlick

Panopticlick is one of the first sites to check out. Panopticlick analyzes your current browser setup, including add-ons and extensions, to measure just how many trackers are tracing your browser session.

The Electronic Frontier Foundation (EFF) research project takes it one step further by detailing unique configuration features that make your browser more noticeable amongst tracking data.

How to Use Panopticlick

Head to the Panopticlick site and hit the giant orange “Test Me” button. Wait for the analysis to complete. Remember, you will experience different levels of tracking depending on your list of add-ons and extensions. My browser has several extensions blocking almost all trackers, as you’ll spot in the results below.

see who is tracking you online with Panopticlick


2. Am I Unique?

Am I Unique? is a tracker analyzer with a focus on the unique fingerprint your browser broadcasts. Browsers are relatively unique and are frequently used to identify you online.

Am I Unique take a fingerprint of your system and add it to their own database, adding a four-month cookie to your system in the process. You can then head back to the site in a few weeks and examine the changes to your browser fingerprint and if you have become more or less unique.

How to Use Am I Unique?

Head to the Am I Unique site and hit the View My Browser Fingerprint button. Wait for the analysis to complete, then check your results.

see who is tracking you online with Are You Unique


If you want to periodically analyze your fingerprint evolution, head to the “My timeline” tab in the left-hand menu column. Download the add-on for your browser (there is support for Chrome and Firefox) and check it periodically for changes.

3. Disconnect

Disconnect features in many tracker-blocking lists and for a good reason. The browser extension blocks over 2,000 individual trackers from following you around the internet. Not only that but by blocking such a vast amount of trackers, websites actually load faster—up 27 percent faster, according to Disconnect.

The best Disconnect feature, however, is the option to allow some trackers and not others. If you’re a discerning internet user, you whitelist the sites that give you great content for free. MakeUseOf, for instance.

How to Use Disconnect

Using Disconnect is extremely easy. First, head to the Disconnect site and hit the “Get Disconnect” button. Disconnect is currently available for Chrome, Firefox, Safari, and Opera (download links below). Once you install Disconnect, head to a website and open the extension. The drop-down panel shows you the entire range of trackers currently jotting down your browser session.


see who is tracking you online with Disconnect

Unlike Panopticlick and Am I Unique, Disconnect lets you visualize the trackers, too. Again, this depends on your other browser settings, but you should see some trackers directly connecting to the site. Some might be harmless or relate to your work or business, so be mindful of precisely what you’re turning off.

Download: Disconnect for Chrome | Firefox | Safari | Opera

4. Lightbeam [No Longer Available]

Lightbeam is a visual aid to online trackers, displaying the extremely tangled web of trackers between individual sites you visit. Unfortunately, Lightbeam is only available for Firefox. However, because of its ease of use and visual approach, I would advise downloading the browser and extension to play with it yourself.


How to Use Lightbeam

Head to the Mozilla Firefox main site, then download and install the browser. Next, head to the Lightbeam extension page and add this to your browser. Open the extension by clicking the Lightbeam icon in the top-right corner of the browser.

see who is tracking you online with Lightbeam

You arrive at an empty graph. You can quickly populate the graph by heading to some of your favorite sites. Each site will populate the graph with its icon and associated trackers. As you visit more sites, the links between them grow, quickly creating a spaghetti monster of tangled lines. It perfectly illustrates which trackers are following you.

5. Trackography

Trackography is your third visual tracker-guide, this time with a more interactive take. Trackography, developed by the Tactical Technology Collective, is an open source project aiming to “lift the veil on the global tracking industry” by visualizing the vast array of trackers following you around the internet.

You can use Trackography to check:

  • Which companies are tracking you.
  • The countries hosting the servers of those tracking companies.
  • Countries hosting the servers of the website you’re viewing.
  • The countries hosting the network infrastructure required to access those media servers and tracking companies.
  • Further information on how tracking companies handle your data with regards to their privacy polices.

Overall, Trackography is a great visual resource if you want to understand more about the flow of data tracking around the globe, and where you fit into it.

How to Use Trackography

Head to the Trackography site. Select your host nation. Next, select a media website you want to connect to. Connection lines will immediately spread from your host nation, illustrating the path your data takes, as well as the multiple locations you had no idea your data was traveling through.

Blocking the Trackers

Several exceptional tools stop trackers following you around the internet (as well as cleaning up your online presence):

  • uBlock Origin: Block trackers, malicious advertising servers, malware, and more.
  • HTTPS Everywhere: Enable HTTPS to protect your data in transit.
  • NoScript: Block background scripts.
  • Privacy Badger: Block trackers and unwanted cookies.
  • PixelBlock: Block tracking pixels in Gmail.
  • Google Activity Controls: control what Google remembers about your searches.
  • me: Delete your old online accounts in a single click.
  • Tor Browser: Uses built-in script blocking and onion routing protocol to protect your privacy.
  • DuckDuckGo: Search the internet without trackers taking note.

This list isn’t exhaustive, but it will set you on the right path to avoiding trackers where possible.

Online Tracking Is Endless

The 2018 Facebook revelations How to Check If Your Facebook Data Was Sold Off You can now check to see if your data was accessed during the Cambridge Analytica scandal without having to wait for Facebook to post the information on your news feed... Read More pushed online tracking and data collection further into the public eye than before. For many, it was the first realization that everything they do, say, watch, and read online 4 Seemingly Innocent Online Activities That Track Your Behavior Read More is likely recorded—and out of their control.

Online tracking informs the swathes of advertisers as to what you’re looking at online. Ads become more relevant to your interests and in theory, you buy more. In a sense, the system works. You can access a phenomenal amount of free content that is paid for by advertising (the content you’re reading right now, no less).

But online tracking does matter. For all the anonymity that Google search data aggregation and anonymization Here's Why You Should Simply Give In to Google There aren't many areas where Google isn't involved. Even as privacy advocates have serious concerns about Google, it makes life a little bit easier and productive. Read More grants you, Cambridge Analytica is abusing different data Facebook Addresses the Cambridge Analytica Scandal Facebook has been embroiled in what has come to be known as the Cambridge Analytica scandal. After staying silent for a few days, Mark Zuckerberg has now addressed the issues raised. Read More to target your profile. Tracking might sound harmless. But in reality, we have little control over our data, our profiles, and how our data is handled.

Related topics: Online Privacy, User Tracking.

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