| Used Operating Systems |
| 1 | 53036 | 56.62 | 430 | 4.45 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 29842 | 31.86 | 4918 | 50.84 | Windows NT |
| 3 | 2659 | 2.84 | 2021 | 20.89 | +http://www.baidu.com/search/spider.html |
| 4 | 1936 | 2.07 | 415 | 4.29 | +http://www.bing.com/bingbot.htm |
| 5 | 1567 | 1.67 | 582 | 6.02 | +http://www.google.com/bot.html |
| 6 | 750 | 0.80 | 220 | 2.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 543 | 0.58 | 156 | 1.61 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 420 | 0.45 | 131 | 1.35 | +http://www.linkdex.com/bots/ |
| 9 | 363 | 0.39 | 55 | 0.57 | +http://yandex.com/bots |
| 10 | 216 | 0.23 | 118 | 1.22 | +http://www.easou.com/search/spider.html |
| 11 | 204 | 0.22 | 99 | 1.02 | Windows 95 |
| 12 | 176 | 0.19 | 8 | 0.08 | http://www.searchmetrics.com/en/searchme... |
| 13 | 163 | 0.17 | 98 | 1.01 | +http://ahrefs.com/robot/ |
| 14 | 144 | 0.15 | 71 | 0.73 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 139 | 0.15 | 27 | 0.28 | Windows 98 |
| 16 | 112 | 0.12 | 11 | 0.11 | +http://www.profound.net/domainappender |
| 17 | 96 | 0.10 | 3 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 18 | 77 | 0.08 | 7 | 0.07 | +http://www.profound.net/urlappendbot.ht... |
| 19 | 75 | 0.08 | 17 | 0.18 | +http://www.exabot.com/go/robot |
| 20 | 72 | 0.08 | 23 | 0.24 | +http://fulltext.sblog.cz/ |
| 21 | 68 | 0.07 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 22 | 67 | 0.07 | 0 | 0.00 | Windows Phone OS 7.5 |
| 23 | 65 | 0.07 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 24 | 63 | 0.07 | 0 | 0.00 | Windows Phone OS 7.0 |
| 25 | 62 | 0.07 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 26 | 54 | 0.06 | 1 | 0.01 | +http://www.linkpad.ru |
| 27 | 51 | 0.05 | 15 | 0.16 | Linux [unknown version] |
| 28 | 46 | 0.05 | 21 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 29 | 44 | 0.05 | 4 | 0.04 | crawler@mixrank.com |
| 30 | 42 | 0.04 | 32 | 0.33 | +http://www.xovibot.net/ |
| 31 | 37 | 0.04 | 10 | 0.10 | +http://www.idmarch.org/bot.html |
| 32 | 32 | 0.03 | 17 | 0.18 | Windows 3.1 |
| 33 | 29 | 0.03 | 1 | 0.01 | http://www.lipperhey.com/ |
| 34 | 28 | 0.03 | 20 | 0.21 | Auto; Windows |
| 35 | 28 | 0.03 | 2 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 36 | 28 | 0.03 | 2 | 0.02 | Windows 99 |
| 37 | 27 | 0.03 | 15 | 0.16 | Windows CE |
| 38 | 26 | 0.03 | 15 | 0.16 | Windows 2000 |
| 39 | 26 | 0.03 | 15 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 40 | 26 | 0.03 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 41 | 23 | 0.02 | 15 | 0.16 | Windows ME |
| 42 | 23 | 0.02 | 5 | 0.05 | X11 |
| 43 | 21 | 0.02 | 10 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 44 | 17 | 0.02 | 6 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 45 | 17 | 0.02 | 3 | 0.03 | Android 2.3.5 |
| 46 | 14 | 0.01 | 10 | 0.10 | Linux i686 [unknown version] |
| 47 | 13 | 0.01 | 7 | 0.07 | +http://www.proximic.com/info/spider.php |
| 48 | 13 | 0.01 | 3 | 0.03 | +http://getdownload.ws |
| 49 | 13 | 0.01 | 0 | 0.00 | Windows XP |
| 50 | 12 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 51 | 8 | 0.01 | 2 | 0.02 | +http://uni5download.com |
| 52 | 8 | 0.01 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 53 | 8 | 0.01 | 2 | 0.02 | +http://dl2engine.net |
| 54 | 6 | 0.01 | 2 | 0.02 | +http://onlythegames.com |
| 55 | 6 | 0.01 | 4 | 0.04 | +info@netcraft.com |
| 56 | 5 | 0.01 | 1 | 0.01 | +http://a14download.com |
| 57 | 4 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 58 | 4 | 0.00 | 1 | 0.01 | +http://u8files.asia |
| 59 | 4 | 0.00 | 4 | 0.04 | FreeBSD [unknown version] |
| 60 | 4 | 0.00 | 3 | 0.03 | +http://wmaid.com/explore/ |
| 61 | 4 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 62 | 3 | 0.00 | 1 | 0.01 | +http://downloaflare.biz |
| 63 | 2 | 0.00 | 2 | 0.02 | Win32 |
| 64 | 2 | 0.00 | 2 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 65 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 66 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
