Comparison of web search engines


s are listed in tables below for comparison purposes. The first table lists the company behind the engine, volume and ad support and identifies the nature of the software being used as free software or proprietary software. The second table lists internet privacy aspects along with other technical parameters, such as whether the engine provides personalization.
Defunct or acquired search engines are not listed here.

Search crawlers

Current search engines with independent crawlers, as of December 2018.
Search engineCompanyLaunchedSoftware distribution licensePages indexedDaily direct queriesResults countAdvertisements
BaiduBaidu2000data-sort-value="0" data-sort-value="0"
BingMicrosoft1998/200913.5 billiondata-sort-value="0"
ExaleadExalead2000data-sort-value="0" data-sort-value="0"
GigablastIndependent2000>1 billiondata-sort-value="0"
Google SearchAlphabet Inc199840 billion9.022 billion
MojeekMojeek20043 billion
NaverNaver Corp.1999data-sort-value="0" data-sort-value="0"
QwantQwant201320 billion10 million
SogouTencent2010data-sort-value="0" data-sort-value="0"
YaCyIndependent,
Distributed,
Peer-to-Peer		20051.4 billion0.13 million
Yandex SearchYandex1997>2 billiondata-sort-value="0"

Digital rights

Search engineServer's locationDedicated serversData centerCloud computingHTTPS availableTor gateway availableProxy gateway search links availableInternet censorship
BaiduChina
BingUSA/China
DuckDuckGoUSAVerizon Internet ServicesAmazon EC2
GigablastUSA
Google SearchUSA,
China
MojeekUKCustodian Data Centres
QwantEurope, France
SogouChina
Yahoo! SearchUSA
Yandex SearchRussia
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Tracking and surveillance

Search engineHTTP tracking cookiesPersonalized resultsIP address trackingInformation sharingWarrantless wiretapping of unencrypted backend traffic
Baidu
Bing
DuckDuckGo
Ecosia
Gigablast
Google Search
Mojeek
Qwant
Sogou
Yahoo! Search
Yandex Search