Ad and tracker blockers
uBlock Origin privacy rating
Our pick
Free, open-source content blocker for ads, trackers and malware sites. Efficient, with no "acceptable ads" program.
Summary
uBlock Origin scores 88 out of 100 (grade B) on the ad and tracker blockers criteria. It meets 6 of 7 criteria: open source, no trackers or telemetry, no ads or data sales, effective by default, no browsing data collected and custom filters. It does not meet independent audit.
Score 88 out of 100. How scoring works
Criteria
- Yes
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Yes
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?
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
No ads, no acceptable-ads program, and donations are not accepted.
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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?
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Yes
No browsing data collected Weight 3 of 3
Does it work without sending browsing data to the developer?
No data of any kind is collected. The only connections are filter list updates.
- Yes