| Used Operating Systems |
| 1 | 2634 | 28.89 | 50 | 1.82 | +http://yandex.com/bots |
| 2 | 2149 | 23.57 | 867 | 31.64 | Windows NT |
| 3 | 1987 | 21.79 | 348 | 12.70 | +http://www.bing.com/bingbot.htm |
| 4 | 1265 | 13.87 | 1203 | 43.91 | +http://www.baidu.com/search/spider.html |
| 5 | 523 | 5.74 | 107 | 3.91 | +http://www.google.com/bot.html |
| 6 | 131 | 1.44 | 44 | 1.61 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 106 | 1.16 | 14 | 0.51 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 52 | 0.57 | 1 | 0.04 | +http://www.linkpad.ru |
| 9 | 42 | 0.46 | 36 | 1.31 | +http://www.easou.com/search/spider.html |
| 10 | 38 | 0.42 | 19 | 0.69 | help@moz.com |
| 11 | 37 | 0.41 | 18 | 0.66 | +http://www.exabot.com/go/robot |
| 12 | 32 | 0.35 | 1 | 0.04 | +http://endb-consolidated.aihit.com/ |
| 13 | 29 | 0.32 | 9 | 0.33 | Windows 98 |
| 14 | 12 | 0.13 | 3 | 0.11 | +http://filterdb.iss.net/crawler/ |
| 15 | 12 | 0.13 | 6 | 0.22 | http://crawler.sistrix.net/ |
| 16 | 10 | 0.11 | 0 | 0.00 | Linux [unknown version] |
| 17 | 8 | 0.09 | 0 | 0.00 | Win32 |
| 18 | 6 | 0.07 | 2 | 0.07 | Windows ME |
| 19 | 6 | 0.07 | 4 | 0.15 | Windows 95 |
| 20 | 5 | 0.05 | 3 | 0.11 | Windows CE |
| 21 | 5 | 0.05 | 0 | 0.00 | Macintosh PPC |
| 22 | 5 | 0.05 | 0 | 0.00 | Linux 2.4.x |
| 23 | 5 | 0.05 | 1 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 24 | 5 | 0.05 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 25 | 4 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 26 | 3 | 0.03 | 1 | 0.04 | +info@netcraft.com |
| 27 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 2 | 0.02 | 1 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 2 | 0.02 | 1 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 1 | 0.01 | 1 | 0.04 | MSIE 5.5; Windows NT 5.0 |
