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No search engine policy can guarantee privacy across the web, but the providers below describe different ways of limiting how searches are linked to you. DuckDuckGo says it does not save identifiable search history; Brave Search retains de-identified query details; Startpage says it removes identifying metadata before forwarding queries; and Kagi says it does not track which results users click. Choose according to the data practices and features that matter to you—not a quality ranking, since the sources reviewed do not establish which engine returns the best results.
What “doesn’t track” means for a search engine
Privacy claims are easier to compare when you separate a few questions:
- Query retention: Does the service keep the words you searched, even if it strips identifiers?
- Linkage: Can a query be connected to your account, device, or IP address?
- Aggregate use: Does the provider retain anonymous query information for trends or service improvement?
- Feature-specific handling: Do location results, AI tools, fallback searches, accounts, or ad measurement have separate data practices?
- What happens after a click: A search engine’s policy does not control tracking by the site you visit.
The providers’ policies are statements about their own practices, not independent audits of how those practices are implemented. Their descriptions also are not interchangeable: an engine may retain de-identified queries while saying it cannot link them to a person, whereas another may send a query to outside search or content providers after removing identifying metadata.
How four privacy-focused search engines handle searches
| Engine | Search-data claim | Index or result sourcing | Relevant caveats |
|---|---|---|---|
| DuckDuckGo | It says it does not save or share identifiable search history and does not store an IP address alongside searches. It may retain anonymous queries disconnected from identifiers to improve its index. | The reviewed policy evidence does not establish an independently maintained index. | Its ads are described as contextual to the results page. Ad clicks use Microsoft’s advertising system. |
| Brave Search | It stores de-identified query text with platform, operating system, country, language, and date, while saying those details are not linked to an individual, device, or IP address. | Brave says its index is independent. | Optional Google fallback mixing, local results, ad measurement, and Ask Brave have feature-specific caveats in its privacy notice. |
| Startpage | It says it removes IP addresses and other identifying metadata before sending anonymized queries to search and content providers, and says it does not log searches. | It sends anonymized queries to search and content providers rather than describing an independent index. | Its policy allows recording or blocking an IP when systems detect suspected automated abuse. |
| Kagi | Its policy says it has no analytics or telemetry and does not track which search result a user clicks. | The reviewed policy evidence does not establish a comparative index or result-quality assessment. | Kagi is paid. Its policy explains that operating a paid service may require basic customer information; account and payment privacy are distinct from query privacy. |
DuckDuckGo: no identifiable search history, with anonymous query retention
DuckDuckGo’s official privacy policy says: “We don’t save or share your search, chat, or browsing history when you search on DuckDuckGo, chat on Duck.ai, or use our apps and extensions.” Read DuckDuckGo’s privacy policy. The policy also allows anonymous queries disconnected from identifiers to be retained to improve its search index, so “does not save identifiable history” does not mean no query information is ever kept.
#1 Best Overall
DuckDuckGo describes search ads as contextual to the results page. Its disclosure about Microsoft’s advertising system matters at the point of an ad click: privacy practices for a search-results page do not automatically describe the subsequent advertising or destination experience.
Brave Search: independent index and de-identified query details
Brave says it keeps de-identified query text together with platform, operating system, country, language, and date, but does not associate this information with an individual, device, or IP. Its notice states: “We do not store any additional data associated with the search query that could link it with an individual user, their device, or IP address.” Read Brave Search’s privacy notice.
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Brave says its index is independent. Optional features need separate consideration: the notice describes Google fallback mixing, local results, ad measurement, and Ask Brave with their own relevant caveats. Review those disclosures if you enable these features; the general search-data claim alone does not answer how every feature processes information.
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Startpage says it removes an IP address and other identifying metadata before forwarding an anonymized query to search and content providers. Its privacy policy states: “We don’t log your searches.” Read Startpage’s privacy policy. The same policy allows Startpage to record or block an IP address when its systems detect suspected automated abuse, a limited exception relevant to how the service describes its handling.
Kagi: paid search with no click tracking claim
Kagi’s privacy policy says it has no analytics or telemetry and does not track which result a user clicks. It states: “Unlike most search engines, we do not track which search result you choose to click.” Read Kagi’s privacy policy.
Kagi is a paid service, and its policy explains that operating it may require basic customer information. That is a separate consideration from whether search queries or result clicks are tracked: payment and account data can exist even when a provider makes privacy commitments about search behavior.
What happens when you click a search ad
A 2023 ACM Internet Measurement Conference study by Salim Chouaki, Oana Goga, Hamed Haddadi, and Peter Snyder measured ad-click flows and found that redirectors were present in 100% of sampled DuckDuckGo ad clicks, 100% of sampled Startpage ad clicks, 100% of sampled Google ad clicks, 86% of sampled Qwant ad clicks, and 4% of sampled Bing ad clicks. The paper also reports that advertising systems passed unique IDs to advertisers in most of the observed ad clicks. Read the 2023 study.
These percentages describe the study’s sampled systems and click flows, not every current click or every search engine. A redirector is a route through an advertising system before reaching the destination; the findings are a reason to treat ad clicks as a separate privacy question, not proof that every redirect identifies every user. Once you reach a destination site, that site’s own policies and tracking determine what happens there.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which search engine should you use?
There is no evidence here for a universal winner or a current ranking by result quality. The practical choice depends on which privacy design best fits your priorities:
- If you want to avoid identifiable search-history storage: DuckDuckGo says it does not save identifiable search history or store an IP alongside searches. Bear in mind its policy permits retaining anonymous queries disconnected from identifiers.
- If an independent index is important: Brave Search explicitly describes its index as independent, while retaining de-identified query details. Check its feature-specific disclosures before enabling fallback, local results, ad measurement, or Ask Brave.
- If you want identifying metadata removed before queries are forwarded: Startpage says it anonymizes queries before sending them to search and content providers. Its policy also describes an abuse-detection exception for recording or blocking IPs.
- If you prefer a paid service and care about click tracking: Kagi says it does not track which result you click. Consider its account and payment information separately from query privacy.
Current comparative result relevance, regional coverage, and full price or plan limits are not established by these provider disclosures. Check the current policy and terms for the country and features you use, and assess result quality for your own searches rather than treating privacy claims as a proxy for accuracy.
Quick Recap
Practical privacy checks before choosing
- Read the provider’s current privacy policy and look specifically for query retention, IP or device linkage, and anonymous or aggregated data.
- Review optional settings and features—especially location, AI or chat, fallback searches, accounts, and ad measurement—and decide which you actually need.
- Be cautious with search ads if minimizing tracking matters; the 2023 study shows that sampled ad clicks could involve redirectors and unique identifiers.
- After navigating away from results, assess the destination site separately. The search engine’s privacy policy does not govern the site you open.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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