Blog

This is our tech blog where we write about privacy, dissect trackers and map the tracking landscape in popular sites.

article

June Update - Do you consent?

The rushed, rough and rogue UX of services getting you to opt-in.

article

Tracker Tax

The impact of third-party trackers on website speed in the United States.

article

May Update - Countdown to GDPR

Facebook's "Tough" month and Google's recommendation

article

Tracking visits without tracking people

A privacy-by-design approach.

article

The end of google.{your country}?

Google's move to keep their cookies.

article

April Update - Preparing for Internationalisation

A new data format to ease access to tracker data.

article

February Update - The Tracking Shell Game

How mergers and acquisitions are hiding who actually is tracking us.

article

WhoTracks.me January Update

New data and trackers in our monthly update.

article

Making sense of the trackers on Reddit

Using whotracks.me data and sankey diagrams to dissect trackers

article

WhoTracks.me December Update

New data and trackers in our monthly update.

article

Generating Ad-Blocker filters from whotracks.me data

Let's never miss a new tracker again.

article

The Impact of Tracking on User Experience

Beyond privacy - a survey of hidden and visible effects of tracking on user experience.

primer

Tracker Categories

Definitions for different types of trackers

primer

Tracking Pixel

So, ... did you read my email?

article

How Cliqz anti-tracking protects users from web tracking

Using an algorithmic, data-driven approach to remove unique identifiers that track users.

article

How facebook knows exactly what turns you on

A technical analysis of the methods used to track users as a third party. Deep dive into a couple of case studies.

primer

Where does the data come from?

An explanation of the origin of the data in this site, and why its collection is private.

primer

Fingerprinting

Let me tell you what's unique about your device.

primer

Cookies

A small piece of data sent from a website, meant to 'help', used to track.

primer

What is a tracker?

Explaining what makes a particular domain a tracker