| Used Operating Systems |
| 1 | 3763 | 32.41 | 48 | 1.56 | +http://yandex.com/bots |
| 2 | 3400 | 29.28 | 1007 | 32.76 | Windows NT |
| 3 | 1521 | 13.10 | 325 | 10.57 | +http://www.bing.com/bingbot.htm |
| 4 | 1485 | 12.79 | 1404 | 45.67 | +http://www.baidu.com/search/spider.html |
| 5 | 680 | 5.86 | 162 | 5.27 | +http://www.google.com/bot.html |
| 6 | 160 | 1.38 | 5 | 0.16 | +http://filterdb.iss.net/crawler/ |
| 7 | 156 | 1.34 | 5 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 77 | 0.66 | 7 | 0.23 | +http://www.profound.net/urlappendbot.ht... |
| 9 | 51 | 0.44 | 12 | 0.39 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 46 | 0.40 | 17 | 0.55 | Windows 98 |
| 11 | 39 | 0.34 | 20 | 0.65 | help@moz.com |
| 12 | 32 | 0.28 | 1 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 13 | 24 | 0.21 | 6 | 0.20 | Windows XP |
| 14 | 19 | 0.16 | 9 | 0.29 | +http://www.exabot.com/go/robot |
| 15 | 18 | 0.16 | 6 | 0.20 | Windows 95 |
| 16 | 16 | 0.14 | 4 | 0.13 | +http://www.seoprofiler.com/bot |
| 17 | 16 | 0.14 | 4 | 0.13 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 15 | 0.13 | 5 | 0.16 | Windows ME |
| 19 | 14 | 0.12 | 7 | 0.23 | http://crawler.sistrix.net/ |
| 20 | 12 | 0.10 | 4 | 0.13 | Windows CE |
| 21 | 12 | 0.10 | 4 | 0.13 | Windows 2000 |
| 22 | 9 | 0.08 | 2 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 23 | 8 | 0.07 | 0 | 0.00 | Macintosh PPC |
| 24 | 6 | 0.05 | 0 | 0.00 | Win32 |
| 25 | 6 | 0.05 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 6 | 0.05 | 2 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 27 | 5 | 0.04 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 28 | 4 | 0.03 | 4 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 4 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 30 | 3 | 0.03 | 2 | 0.07 | +info@netcraft.com |
| 31 | 2 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 32 | 2 | 0.02 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 33 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
