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Prevent tracking by websites in Safari

You should enable “Do not track” functionality in Safari. When activated, Safari sends a “Do not track” field in the http-header (DNT: 1) when loading a web page. If the website follows this rule, it should not do any tracking, but there is no guarantee.

How to fix it

macOS 10.11 – 10.14

  1. Open Safari > “Preferences” > “Privacy”
  2. Enable “Ask websites not to track me”

This option does not exists anymore (macOS 10.14.4+).