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Hide zero-size tracking iframes

A CSS rule that hides invisible zero-dimension iframes and iframes from known trackers.

Code to copy

iframe[src*="google-analytics.com"],
iframe[src*="googletagmanager.com"],
iframe[src*="doubleclick.net"],
iframe[src*="connect.facebook.net"],
iframe[src*="hotjar.com"],
iframe[src*="mixpanel.com"],
iframe[src*="segment.io"],
iframe[width="0"], iframe[height="0"] {
  display: none !important;
  visibility: hidden !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.