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
- Open Safari > “Preferences” > “Privacy”
- Enable “Ask websites not to track me”
This option does not exists anymore (macOS 10.14.4+).
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Other security setting to check
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Keep in mind: not every security and privacy setting is suitable for everyone. Enhancing the security can lead in losing functionality and/or comfort.
Before making changes, please backup your Mac! Do not make too many change at once. After changing your Mac, check if your normal usage of your Mac has changed in a way which fits to you. Are your really willing to loose some functionality and/or comfort?
Most important is, that you learn and understand what are the advantages and disadvantages of the security settings and that you are aware about the capabilities and risks of your Mac configuration.
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