| Used Operating Systems | 
| 1 | 965869 | 49.10 | 150 | 0.40 | +http://www.semrush.com/bot.html | 
| 2 | 418786 | 21.29 | 115 | 0.31 | +http://webmeup-crawler.com/ | 
| 3 | 290401 | 14.76 | 1866 | 4.95 | http://mj12bot.com/ | 
| 4 | 137629 | 7.00 | 3682 | 9.78 | +http://www.bing.com/bingbot.htm | 
| 5 | 28830 | 1.47 | 17701 | 47.00 | +http://ahrefs.com/robot/ | 
| 6 | 25002 | 1.27 | 1 | 0.00 | http://seekport.com/ | 
| 7 | 21997 | 1.12 | 2450 | 6.50 | +http://yandex.com/bots | 
| 8 | 20968 | 1.07 | 2585 | 6.86 | +http://www.google.com/bot.html | 
| 9 | 18519 | 0.94 | 958 | 2.54 | Windows NT | 
| 10 | 10244 | 0.52 | 5383 | 14.29 | +http://www.baidu.com/search/spider.html | 
| 11 | 4716 | 0.24 | 778 | 2.07 | +http://www.pinterest.com/bot.html | 
| 12 | 4395 | 0.22 | 38 | 0.10 | http://femtosearch.com | 
| 13 | 4332 | 0.22 | 747 | 1.98 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... | 
| 14 | 3594 | 0.18 | 59 | 0.16 | +http://napoveda.seznam.cz/en/seznambot-... | 
| 15 | 3503 | 0.18 | 7 | 0.02 | Android | 
| 16 | 3002 | 0.15 | 183 | 0.49 | http://www.opensiteexplorer.org/dotbot, ... | 
| 17 | 791 | 0.04 | 1 | 0.00 | SunOS sun4u | 
| 18 | 715 | 0.04 | 172 | 0.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... | 
| 19 | 379 | 0.02 | 0 | 0.00 | +https://bazqux.com/fetcher; 1 subscribe... | 
| 20 | 356 | 0.02 | 12 | 0.03 | +https://www.mojeek.com/bot.html | 
| 21 | 293 | 0.01 | 11 | 0.03 | Linux i686 [unknown version] | 
| 22 | 256 | 0.01 | 17 | 0.05 | Windows 98 | 
| 23 | 230 | 0.01 | 0 | 0.00 | 46 subscribers | 
| 24 | 204 | 0.01 | 0 | 0.00 | 116 subscribers; feed-id=50e2ea0fe721eca... | 
| 25 | 140 | 0.01 | 11 | 0.03 | +http://help.coccoc.com/searchengine | 
| 26 | 136 | 0.01 | 64 | 0.17 | +http://duckduckgo.com | 
| 27 | 130 | 0.01 | 8 | 0.02 | +https://www.seokicks.de/robot.html | 
| 28 | 95 | 0.00 | 49 | 0.13 | +http://www.exabot.com/go/robot | 
| 29 | 92 | 0.00 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ | 
| 30 | 91 | 0.00 | 11 | 0.03 | +http://cliqz.com/company/cliqzbot | 
| 31 | 89 | 0.00 | 1 | 0.00 | X11 | 
| 32 | 72 | 0.00 | 16 | 0.04 | Windows XP | 
| 33 | 66 | 0.00 | 3 | 0.01 | +http://www.gowikibot.com | 
| 34 | 64 | 0.00 | 64 | 0.17 | Windows 2007 | 
| 35 | 64 | 0.00 | 64 | 0.17 | Windows 2008 | 
| 36 | 61 | 0.00 | 22 | 0.06 | Windows 95 | 
| 37 | 60 | 0.00 | 60 | 0.16 | Windows 2002 | 
| 38 | 56 | 0.00 | 0 | 0.00 | +http://www.reddit.com/feedback | 
| 39 | 53 | 0.00 | 10 | 0.03 | +http://cs.daum.net/faq/15/4118.html?faq... | 
| 40 | 52 | 0.00 | 52 | 0.14 | Windows 9 | 
| 41 | 50 | 0.00 | 0 | 0.00 | +http://www.linkdex.com/bots/ | 
| 42 | 49 | 0.00 | 46 | 0.12 | +http://www.uptime.com/uptimebot | 
| 43 | 48 | 0.00 | 48 | 0.13 | Windows 2004 | 
| 44 | 44 | 0.00 | 44 | 0.12 | Windows 2006 | 
| 45 | 42 | 0.00 | 42 | 0.11 | Windows 2005 | 
| 46 | 38 | 0.00 | 38 | 0.10 | Windows 2003 | 
| 47 | 34 | 0.00 | 0 | 0.00 | J2ME/MIDP | 
| 48 | 24 | 0.00 | 9 | 0.02 | +http://glutenfreepleasure.com/ | 
| 49 | 23 | 0.00 | 0 | 0.00 |  +http://docs.google.com; +Google-Docume... | 
| 50 | 23 | 0.00 | 0 | 0.00 | 1 subscribers | 
| 51 | 19 | 0.00 | 5 | 0.01 | +http://naver.me/spd | 
| 52 | 18 | 0.00 | 8 | 0.02 | +http://sur.ly/bot.html | 
| 53 | 17 | 0.00 | 4 | 0.01 | Windows ME | 
| 54 | 15 | 0.00 | 1 | 0.00 | +https://discordapp.com | 
| 55 | 15 | 0.00 | 1 | 0.00 | +http://ruki.rezko.net | 
| 56 | 14 | 0.00 | 0 | 0.00 | MAUI Runtime | 
| 57 | 14 | 0.00 | 3 | 0.01 | WinHttp.WinHttpRequest.5 | 
| 58 | 13 | 0.00 | 6 | 0.02 | Windows 3.1 | 
| 59 | 12 | 0.00 | 0 | 0.00 | AnyEvent-HTTP/2.22; +http://software.sch... | 
| 60 | 11 | 0.00 | 11 | 0.03 | 1 subscribers; feed-id=6dd889edb6cc5a4cb... | 
| 61 | 11 | 0.00 | 3 | 0.01 | Windows 2000 | 
| 62 | 11 | 0.00 | 4 | 0.01 | Linux [unknown version] | 
| 63 | 10 | 0.00 | 0 | 0.00 | +http://www.carma.com | 
| 64 | 8 | 0.00 | 4 | 0.01 | SA; +http://ahrefs.com/robot/ | 
| 65 | 8 | 0.00 | 0 | 0.00 | Android 2.3.4 | 
| 66 | 8 | 0.00 | 2 | 0.01 | http://filterdb.iss.net/crawler/ | 
| 67 | 7 | 0.00 | 3 | 0.01 | Windows CE | 
| 68 | 7 | 0.00 | 7 | 0.02 | http://cloudsystemnetworks.com | 
| 69 | 7 | 0.00 | 2 | 0.01 | Macintosh | 
| 70 | 6 | 0.00 | 0 | 0.00 | +http://vk.com/dev/Share | 
| 71 | 6 | 0.00 | 0 | 0.00 | Series 60 | 
| 72 | 6 | 0.00 | 0 | 0.00 | +bot@tracemyfile.com | 
| 73 | 6 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 | 
| 74 | 6 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 | 
| 75 | 6 | 0.00 | 2 | 0.01 | Auto; Windows | 
| 76 | 5 | 0.00 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... | 
| 77 | 4 | 0.00 | 0 | 0.00 | http://linkfluence.com/; bot@linkfluence... | 
| 78 | 4 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php | 
| 79 | 4 | 0.00 | 2 | 0.01 | +http://www.grapeshot.co.uk/crawler.php | 
| 80 | 4 | 0.00 | 0 | 0.00 | +http://images.weserv.nl/ | 
| 81 | 4 | 0.00 | 0 | 0.00 | https://support.paper.li/entries/2002325... | 
| 82 | 4 | 0.00 | 2 | 0.01 | +http://www.alexa.com/help/webmasters;  | 
| 83 | 3 | 0.00 | 0 | 0.00 | +https://extlinks.com/Bot.html | 
| 84 | 3 | 0.00 | 0 | 0.00 | +http://mappydata.net/bot/ | 
| 85 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ | 
| 86 | 2 | 0.00 | 1 | 0.00 | Windows 9x | 
| 87 | 2 | 0.00 | 1 | 0.00 | startmebot/1.0; +https://start.me/bot | 
| 88 | 2 | 0.00 | 0 | 0.00 | FreeBSD [unknown version] | 
| 89 | 2 | 0.00 | 1 | 0.00 | +https://grob.it | 
| 90 | 2 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows | 
| 91 | 2 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 | 
| 92 | 2 | 0.00 | 0 | 0.00 | snap; +http://support.embed.ly/ | 
| 93 | 2 | 0.00 | 0 | 0.00 | Archive-It; +http://archive-it.org/files... | 
| 94 | 2 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... | 
| 95 | 2 | 0.00 | 1 | 0.00 | https://duckduckgo.com/duckduckbot | 
| 96 | 2 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.6 | 
| 97 | 2 | 0.00 | 2 | 0.01 | +https://www.comscore.com/Web-Crawler | 
| 98 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... | 
| 99 | 1 | 0.00 | 1 | 0.00 | +https://whatcms.com/bot.html | 
| 100 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.4 | 
| 101 | 1 | 0.00 | 0 | 0.00 | +http://www.tineye.com/crawler.html | 
| 102 | 1 | 0.00 | 0 | 0.00 | +https://www.qwant.com/; +https://www.gi... | 
| 103 | 1 | 0.00 | 0 | 0.00 | +https://www.woorank.com/bot | 
| 104 | 1 | 0.00 | 0 | 0.00 | +http://support.embed.ly/ | 
| 105 | 1 | 0.00 | 1 | 0.00 | +http://www.webeaver.com/bot | 
| 106 | 1 | 0.00 | 0 | 0.00 | SpreadTrum | 
| 107 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O | 
| 108 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... | 
| 109 | 1 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |