| Used Operating Systems |
| 1 | 13480 | 59.01 | 3640 | 58.27 | Windows NT |
| 2 | 4152 | 18.18 | 102 | 1.63 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1730 | 7.57 | 1664 | 26.64 | +http://www.baidu.com/search/spider.html |
| 4 | 1029 | 4.50 | 31 | 0.50 | Windows 98 |
| 5 | 857 | 3.75 | 336 | 5.38 | +http://www.google.com/bot.html |
| 6 | 422 | 1.85 | 198 | 3.17 | +http://www.bing.com/bingbot.htm |
| 7 | 263 | 1.15 | 89 | 1.42 | +http://www.linkdex.com/about/bots/ |
| 8 | 247 | 1.08 | 24 | 0.38 | +http://yandex.com/bots |
| 9 | 205 | 0.90 | 13 | 0.21 | +http://www.exabot.com/go/robot |
| 10 | 66 | 0.29 | 33 | 0.53 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 62 | 0.27 | 8 | 0.13 | X11 |
| 12 | 47 | 0.21 | 5 | 0.08 | Android 2.3.5 |
| 13 | 44 | 0.19 | 4 | 0.06 | +http://www.profound.net/urlappendbot.ht... |
| 14 | 34 | 0.15 | 14 | 0.22 | help@moz.com |
| 15 | 33 | 0.14 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 16 | 28 | 0.12 | 25 | 0.40 | Windows 95 |
| 17 | 26 | 0.11 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 18 | 22 | 0.10 | 11 | 0.18 | +http://www.easou.com/search/spider.html |
| 19 | 15 | 0.07 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 20 | 10 | 0.04 | 4 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 7 | 0.03 | 6 | 0.10 | Windows 2000 |
| 22 | 7 | 0.03 | 1 | 0.02 | Windows XP |
| 23 | 6 | 0.03 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 24 | 5 | 0.02 | 5 | 0.08 | Windows CE |
| 25 | 5 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 26 | 5 | 0.02 | 4 | 0.06 | Windows ME |
| 27 | 5 | 0.02 | 5 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 28 | 4 | 0.02 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 29 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 4 | 0.02 | 4 | 0.06 | Windows 3.1 |
| 31 | 3 | 0.01 | 3 | 0.05 | Linux i686 [unknown version] |
| 32 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 33 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 34 | 2 | 0.01 | 2 | 0.03 | Auto; Windows |
| 35 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 36 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 37 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 39 | 1 | 0.00 | 1 | 0.02 | FreeBSD [unknown version] |
