| Used Operating Systems |
| 1 | 23678 | 49.28 | 5867 | 57.82 | Windows NT |
| 2 | 9046 | 18.83 | 145 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 5035 | 10.48 | 2411 | 23.76 | +http://www.baidu.com/search/spider.html |
| 4 | 3034 | 6.31 | 496 | 4.89 | +http://www.google.com/bot.html |
| 5 | 1788 | 3.72 | 96 | 0.95 | +http://yandex.com/bots |
| 6 | 1753 | 3.65 | 3 | 0.03 | http://crawler.sistrix.net/ |
| 7 | 1652 | 3.44 | 267 | 2.63 | ezooms.bot@gmail.com |
| 8 | 487 | 1.01 | 231 | 2.28 | +http://www.bing.com/bingbot.htm |
| 9 | 286 | 0.60 | 163 | 1.61 | Windows 95 |
| 10 | 197 | 0.41 | 41 | 0.40 | Windows 98 |
| 11 | 135 | 0.28 | 57 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 118 | 0.25 | 3 | 0.03 | +http://siteexplorer.info/ |
| 13 | 96 | 0.20 | 11 | 0.11 | X11 |
| 14 | 62 | 0.13 | 35 | 0.34 | Windows 3.1 |
| 15 | 60 | 0.12 | 3 | 0.03 | Windows XP |
| 16 | 54 | 0.11 | 6 | 0.06 | Android 2.3.5 |
| 17 | 52 | 0.11 | 35 | 0.34 | Windows ME |
| 18 | 50 | 0.10 | 12 | 0.12 | +http://www.linkdex.com/about/bots/ |
| 19 | 49 | 0.10 | 37 | 0.36 | MSIE 5.5; Windows NT 4.0 |
| 20 | 46 | 0.10 | 35 | 0.34 | Windows CE |
| 21 | 44 | 0.09 | 35 | 0.34 | Auto; Windows |
| 22 | 41 | 0.09 | 31 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 23 | 35 | 0.07 | 28 | 0.28 | MSIE 5.5; Windows NT 5.0 |
| 24 | 33 | 0.07 | 18 | 0.18 | +http://www.easou.com/search/spider.html |
| 25 | 32 | 0.07 | 24 | 0.24 | Windows 2000 |
| 26 | 27 | 0.06 | 5 | 0.05 | J2ME/MIDP |
| 27 | 24 | 0.05 | 4 | 0.04 | Android |
| 28 | 24 | 0.05 | 10 | 0.10 | +http://fulltext.sblog.cz/ |
| 29 | 22 | 0.05 | 11 | 0.11 | +http://www.career-x.de/bot.html |
| 30 | 14 | 0.03 | 7 | 0.07 | +http://www.exabot.com/go/robot |
| 31 | 12 | 0.02 | 2 | 0.02 | PPC Mac OS X 10.4 |
| 32 | 10 | 0.02 | 2 | 0.02 | Windows 92 |
| 33 | 8 | 0.02 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 6 | 0.01 | 3 | 0.03 | +http://help.coccoc.com/ |
| 35 | 6 | 0.01 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 36 | 5 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 5 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
| 38 | 4 | 0.01 | 2 | 0.02 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 39 | 3 | 0.01 | 0 | 0.00 | MAUI Runtime |
| 40 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 2 | 0.00 | 1 | 0.01 | +http://www.compspy.com/spider.html |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 2 | 0.00 | 2 | 0.02 | compatible |
| 44 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 45 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 46 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 47 | 1 | 0.00 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
