| Used Operating Systems |
| 1 | 4116 | 40.13 | 1498 | 45.77 | Windows NT |
| 2 | 1536 | 14.98 | 302 | 9.23 | +http://www.google.com/bot.html |
| 3 | 1232 | 12.01 | 39 | 1.19 | Windows 98 |
| 4 | 1039 | 10.13 | 938 | 28.66 | +http://www.baidu.com/search/spider.html |
| 5 | 931 | 9.08 | 234 | 7.15 | +http://www.bing.com/bingbot.htm |
| 6 | 447 | 4.36 | 36 | 1.10 | +http://yandex.com/bots |
| 7 | 401 | 3.91 | 43 | 1.31 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 101 | 0.98 | 32 | 0.98 | +http://www.linkdex.com/about/bots/ |
| 9 | 80 | 0.78 | 44 | 1.34 | +http://www.easou.com/search/spider.html |
| 10 | 65 | 0.63 | 1 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 11 | 44 | 0.43 | 16 | 0.49 | Windows 95 |
| 12 | 43 | 0.42 | 22 | 0.67 | help@moz.com |
| 13 | 29 | 0.28 | 9 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 28 | 0.27 | 6 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 25 | 0.24 | 0 | 0.00 | Windows XP |
| 16 | 24 | 0.23 | 4 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 17 | 21 | 0.20 | 10 | 0.31 | +http://www.exabot.com/go/robot |
| 18 | 10 | 0.10 | 5 | 0.15 | http://crawler.sistrix.net/ |
| 19 | 9 | 0.09 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 20 | 8 | 0.08 | 5 | 0.15 | Windows CE |
| 21 | 8 | 0.08 | 2 | 0.06 | Windows ME |
| 22 | 8 | 0.08 | 4 | 0.12 | +http://fulltext.sblog.cz/ |
| 23 | 7 | 0.07 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 24 | 6 | 0.06 | 0 | 0.00 | Windows 3.1 |
| 25 | 6 | 0.06 | 6 | 0.18 | Linux i686 [unknown version] |
| 26 | 5 | 0.05 | 2 | 0.06 | Windows 2000 |
| 27 | 4 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 4 | 0.04 | 3 | 0.09 | X11 |
| 29 | 3 | 0.03 | 0 | 0.00 | Macintosh PPC |
| 30 | 3 | 0.03 | 2 | 0.06 | Linux [unknown version] |
| 31 | 3 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 32 | 2 | 0.02 | 2 | 0.06 | Intel Mac OS X 10.7 |
| 33 | 2 | 0.02 | 2 | 0.06 | FreeBSD [unknown version] |
| 34 | 2 | 0.02 | 1 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 2 | 0.02 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 36 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 37 | 1 | 0.01 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
