| Used Operating Systems |
| 1 | 28716 | 80.65 | 5504 | 67.58 | Windows NT |
| 2 | 2675 | 7.51 | 46 | 0.56 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1460 | 4.10 | 1418 | 17.41 | +http://www.baidu.com/search/spider.html |
| 4 | 931 | 2.61 | 471 | 5.78 | +http://www.google.com/bot.html |
| 5 | 576 | 1.62 | 42 | 0.52 | +http://yandex.com/bots |
| 6 | 267 | 0.75 | 123 | 1.51 | +http://www.bing.com/bingbot.htm |
| 7 | 164 | 0.46 | 138 | 1.69 | Windows 95 |
| 8 | 140 | 0.39 | 41 | 0.50 | +http://www.linkdex.com/about/bots/ |
| 9 | 102 | 0.29 | 30 | 0.37 | Windows 98 |
| 10 | 93 | 0.26 | 33 | 0.41 | X11 |
| 11 | 76 | 0.21 | 52 | 0.64 | MSIE 5.5; Windows NT 5.0 |
| 12 | 53 | 0.15 | 21 | 0.26 | ezooms.bot@gmail.com |
| 13 | 38 | 0.11 | 14 | 0.17 | Android 2.3.5 |
| 14 | 37 | 0.10 | 36 | 0.44 | Windows CE |
| 15 | 33 | 0.09 | 29 | 0.36 | Windows 3.1 |
| 16 | 31 | 0.09 | 6 | 0.07 | Windows XP |
| 17 | 30 | 0.08 | 30 | 0.37 | MSIE 5.5; Windows NT 4.0 |
| 18 | 29 | 0.08 | 26 | 0.32 | Windows 2000 |
| 19 | 26 | 0.07 | 26 | 0.32 | Auto; Windows |
| 20 | 22 | 0.06 | 22 | 0.27 | Windows ME |
| 21 | 21 | 0.06 | 3 | 0.04 | +http://www.exabot.com/go/robot |
| 22 | 20 | 0.06 | 20 | 0.25 | ) - BrowseX (2.0.0 Windows |
| 23 | 9 | 0.03 | 0 | 0.00 | Android |
| 24 | 6 | 0.02 | 1 | 0.01 | J2ME/MIDP |
| 25 | 4 | 0.01 | 1 | 0.01 | Series 60 |
| 26 | 4 | 0.01 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 4 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 28 | 4 | 0.01 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 29 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 4 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 32 | 3 | 0.01 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 33 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 34 | 2 | 0.01 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 35 | 2 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 36 | 2 | 0.01 | 0 | 0.00 | Windows 92 |
| 37 | 2 | 0.01 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 38 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 39 | 2 | 0.01 | 1 | 0.01 | +http://www.seoprofiler.com/bot |
| 40 | 2 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/ |
| 41 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 42 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 43 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 44 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
