| Used Operating Systems |
| 1 | 19565 | 64.46 | 232 | 5.04 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5388 | 17.75 | 1900 | 41.29 | Windows NT |
| 3 | 1183 | 3.90 | 227 | 4.93 | +http://www.bing.com/bingbot.htm |
| 4 | 1162 | 3.83 | 1027 | 22.32 | +http://www.baidu.com/search/spider.html |
| 5 | 752 | 2.48 | 386 | 8.39 | +http://www.google.com/bot.html |
| 6 | 541 | 1.78 | 210 | 4.56 | +http://www.xovibot.net/ |
| 7 | 314 | 1.03 | 90 | 1.96 | +http://www.linkdex.com/bots/ |
| 8 | 225 | 0.74 | 92 | 2.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 225 | 0.74 | 104 | 2.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 176 | 0.58 | 15 | 0.33 | +http://fulltext.sblog.cz/ |
| 11 | 140 | 0.46 | 55 | 1.20 | +http://yandex.com/bots |
| 12 | 83 | 0.27 | 45 | 0.98 | Windows 95 |
| 13 | 73 | 0.24 | 1 | 0.02 | Linux i586 [unknown version] |
| 14 | 65 | 0.21 | 27 | 0.59 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 51 | 0.17 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 16 | 50 | 0.16 | 17 | 0.37 | Windows 98 |
| 17 | 41 | 0.14 | 30 | 0.65 | +http://ahrefs.com/robot/ |
| 18 | 36 | 0.12 | 18 | 0.39 | +http://duckduckgo.com |
| 19 | 24 | 0.08 | 5 | 0.11 | X11 |
| 20 | 21 | 0.07 | 11 | 0.24 | +http://www.exabot.com/go/robot |
| 21 | 19 | 0.06 | 13 | 0.28 | MSIE 5.5; Windows NT 4.0 |
| 22 | 18 | 0.06 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 23 | 17 | 0.06 | 5 | 0.11 | Windows XP |
| 24 | 16 | 0.05 | 8 | 0.17 | Windows ME |
| 25 | 15 | 0.05 | 11 | 0.24 | +http://www.semrush.com/bot.html |
| 26 | 15 | 0.05 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 27 | 13 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 12 | 0.04 | 10 | 0.22 | Windows CE |
| 29 | 12 | 0.04 | 8 | 0.17 | Windows 3.1 |
| 30 | 12 | 0.04 | 6 | 0.13 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 11 | 0.04 | 1 | 0.02 | Android 2.3.5 |
| 32 | 10 | 0.03 | 7 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 33 | 9 | 0.03 | 2 | 0.04 | Auto; Windows |
| 34 | 9 | 0.03 | 7 | 0.15 | Windows 2000 |
| 35 | 9 | 0.03 | 3 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 36 | 7 | 0.02 | 5 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 37 | 6 | 0.02 | 5 | 0.11 | Linux i686 [unknown version] |
| 38 | 6 | 0.02 | 2 | 0.04 | +http://www.profound.net/domainappender |
| 39 | 5 | 0.02 | 5 | 0.11 | +http://domainsigma.com/robot |
| 40 | 4 | 0.01 | 2 | 0.04 | +https://www.mojeek.com/bot.html |
| 41 | 3 | 0.01 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 42 | 2 | 0.01 | 2 | 0.04 | Linux [unknown version] |
| 43 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 2 | 0.01 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 45 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 46 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
