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Substack: block analytics tracking pixels

Hides 1×1 analytics images and pixel beacons to reduce tracking of your page views.

Code to copy

/* Cosmetic block: hide analytics tracking pixels and beacons */
img[src*="/api/v1/analytics"],
img[src*="/api/v1/email/pixel"],
img[src*="/api/v1/free/pixel"],
img[src*="pixel.substack.com"],
img[width="1"][height="1"],
img[src*="utm_source"][width="1"],
[class*="trackingPixel"] {
  display: none !important;
}

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's CSS panel and save — the effect appears instantly.