![]() ![]() For example, you could get ads from a store if you had the store’s loyalty card linked to your email address. Second, as trackers can connect email addresses to your browsing histories and profiles, this “leads to further privacy breaches such as cross-device tracking and linking of online and offline activities”, as the Princeton research explains. The threat email trackers pose to your privacy goes far beyond an individual sender knowing when you opened an email, as a Princeton study of spy pixels (new window) has shown.įirst, by linking your email address, browser and device fingerprint (new window), and IP address with third-party tracking cookies, email trackers can be used to track your browsing activity across the web. But they can also be customized just for you, depending on the sender’s needs.Īd and tech companies have also developed custom tracking parameters that aren’t always documented, making it hard to tell what information they collect.Ĭlicking a tracking link in an email you receive can have a significant impact on your privacy because the advertiser already has your email address, which it can use to tie all your online activity together. Here’s a breakdown of a link with typical UTM tracking parameters. The most common tracking parameters are UTM (Urchin Tracking Module) parameters, which are supported natively by Google Analytics. Designed to track the effectiveness of marketing campaigns, tracking links can track your interactions with websites over time and between apps. Tracking linksĬompanies also try to track you with tracking links – URLs containing tracking parameters. But others may contain several tracking pixels to send information to multiple third parties (new window). Some emails contain a single spy pixel to collect limited information for the sender, for example, to measure the email open rate for a marketing campaign. Your internet service provider (ISP) and rough location inferred from your IP address (new window).What device and operating system you used to open it.Whether you opened an email and how many times.Spy pixels may collect the following information about your online activity: When you open a message with a spy pixel, this transparent and usually invisible image is loaded from the source server, sending sensitive information back to the sender or the tracking database. Spy pixels, also known as tracking pixels, are tiny, single-pixel images that are inserted into an email. There are two common types of email trackers: spy pixels and tracking links. By inserting email trackers in newsletters and other marketing materials, companies may see whether you opened a message, details about your device, and even your location. Use a VPN Stop email trackers, protect your privacy What is email tracking?Įmail tracking is a form of digital surveillance that can monitor when, how, from where, and with what device you read emails. What is email tracking? How do email trackers work? Spy pixels Tracking links Why email trackers threaten your privacy How to block email trackers 1. We explain how email trackers work, why they threaten your privacy, and the easiest way to stop them. ![]() Working silently in the background, email trackers not only monitor how you respond to messages but can also be used to track you across the web. Here’s how they work and how to block them. ![]() Last update on SeptemPublished on March 24, 2023Īround 50% of all emails contain trackers that spy on your email activity - over 160 billion messages sent every day. ![]()
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