| Used Operating Systems |
| 1 | 2168 | 31.14 | 1988 | 54.42 | +http://www.baidu.com/search/spider.html |
| 2 | 1339 | 19.24 | 957 | 26.20 | Windows NT |
| 3 | 994 | 14.28 | 7 | 0.19 | +http://www.seoprofiler.com/bot |
| 4 | 732 | 10.52 | 220 | 6.02 | help@moz.com |
| 5 | 575 | 8.26 | 267 | 7.31 | +http://www.bing.com/bingbot.htm |
| 6 | 436 | 6.26 | 32 | 0.88 | +http://yandex.com/bots |
| 7 | 311 | 4.47 | 52 | 1.42 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 210 | 3.02 | 96 | 2.63 | +http://www.google.com/bot.html |
| 9 | 76 | 1.09 | 10 | 0.27 | +http://siteexplorer.info/ |
| 10 | 33 | 0.47 | 1 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 11 | 28 | 0.40 | 1 | 0.03 | http://www.lipperhey.com/ |
| 12 | 17 | 0.24 | 4 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 10 | 0.14 | 5 | 0.14 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 7 | 0.10 | 0 | 0.00 | Macintosh PPC |
| 15 | 6 | 0.09 | 6 | 0.16 | Windows 98 |
| 16 | 5 | 0.07 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 17 | 3 | 0.04 | 1 | 0.03 | +http://www.semrush.com/bot.html |
| 18 | 2 | 0.03 | 0 | 0.00 | Win32 |
| 19 | 2 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 20 | 2 | 0.03 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 21 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 22 | 2 | 0.03 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 23 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
