Ad and tracker blockers
Ghostery privacy rating
Browser extension from Ghostery that blocks ads, trackers and cookie pop-ups and shows which trackers each site uses.
Summary
Ghostery scores 65 out of 100 (grade C) on the ad and tracker blockers criteria. It meets 3 of 7 criteria: open source, effective by default and custom filters. It partly meets no trackers or telemetry, no ads or data sales and no browsing data collected. It does not meet independent audit. It is based in Germany: Fourteen Eyes member; EU member (GDPR).
Score 65 out of 100. How scoring works
Criteria
- Yes
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Partial
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
The extension sends a daily non-personal installation ping by default. No third-party trackers.
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Partial
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Funded by donations plus non-targeted sponsored links and search engine revenue sharing in Ghostery Private Search.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.
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Yes
Effective by default Weight 3 of 3
Does it block ads and trackers with its default settings, without paid tiers?
Blocks ads, trackers and cookie pop-ups by default, for free.
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Partial
No browsing data collected Weight 3 of 3
Does it work without sending browsing data to the developer?
Filtering happens on the device, but a daily installation ping and anonymous tracker observations for WhoTracks.me are sent by default.
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Yes
Custom filters Weight 1 of 3
Can users add their own filter lists and rules?
Supports custom filter rules in the settings.