Bing <a href="https://www.bing.com" rel="nofollow" target="_blank">Bing</a> DuckDuckGo <a href="https://duckduckgo.com" rel="nofollow" target="_blank">DuckDuckGo</a> Yahoo! Search <a href="https://search.yahoo.com" rel="nofollow" target="_blank">Yahoo! Search</a> 百度 (Baidu) <a href="https://www.baidu.com" rel="nofollow" target="_blank">百度 (Baidu)</a> 搜狗搜索 (Sogou) <a href="https://www.sogou.com" rel="nofollow" target="_blank">搜狗搜索 (Sogou)</a> 360 搜索 <a href="https://www.so.com" rel="nofollow" target="_blank">360 搜索</a> Wolfram Alpha <a href="https://www.wolframalpha.com" rel="nofollow" target="_blank">Wolfram Alpha</a> Startpage <a href="https://www.startpage.com" rel="nofollow" target="_blank">Startpage</a> Ecosia <a href="https://www.ecosia.org" rel="nofollow" target="_blank">Ecosia</a> Qwant <a href="https://www.qwant.com" rel="nofollow" target="_blank">Qwant</a> Swisscows <a href="https://swisscows.com" rel="nofollow" target="_blank">Swisscows</a> MetaGer <a href="https://metager.org" rel="nofollow" target="_blank">MetaGer</a> Google Scholar <a href="https://scholar.google.com" rel="nofollow" target="_blank">Google Scholar</a> Semantic Scholar <a href="https://www.semanticscholar.org" rel="nofollow" target="_blank">Semantic Scholar</a> BASE (Bielefeld Academic Search Engine) <a href="https://www.base-search.net" rel="nofollow" target="_blank">BASE (Bielefeld Academic Search Engine)</a> Yandex（俄罗斯） <a href="https://yandex.com" rel="nofollow" target="_blank">Yandex（俄罗斯）</a> Naver（韩国） <a href="https://www.naver.com" rel="nofollow" target="_blank">Naver（韩国）</a> Seznam（捷克） <a href="https://www.seznam.cz" rel="nofollow" target="_blank">Seznam（捷克）</a> Mojeek <a href="https://www.mojeek.com" rel="nofollow" target="_blank">Mojeek</a> Gigablast <a href="https://www.gigablast.com" rel="nofollow" target="_blank">Gigablast</a> You.com <a href="https://you.com" rel="nofollow" target="_blank">You.com</a> Google <a href="https://www.google.com" rel="nofollow" target="_blank">Google</a> 必应中国版 (Bing CN) <a href="https://cn.bing.com" rel="nofollow" target="_blank">必应中国版 (Bing CN)</a>

1 Bing 537 2 Google 312 3 DuckDuckGo 307 4 百度 (Baidu) 273 5 搜狗搜索 (Sogou) 271 6 Yahoo! Search 270 7 360 搜索 268 8 必应中国版 (Bing CN) 189 9 Wolfram Alpha 187 10 Ecosia 154