| Used Operating Systems |
| 1 | 9051 | 53.34 | 2586 | 41.09 | Windows NT |
| 2 | 3331 | 19.63 | 2784 | 44.24 | +http://www.baidu.com/search/spider.html |
| 3 | 1684 | 9.93 | 294 | 4.67 | +http://www.google.com/bot.html |
| 4 | 1266 | 7.46 | 44 | 0.70 | +http://yandex.com/bots |
| 5 | 791 | 4.66 | 283 | 4.50 | +http://www.bing.com/bingbot.htm |
| 6 | 108 | 0.64 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 102 | 0.60 | 26 | 0.41 | help@moz.com |
| 8 | 78 | 0.46 | 41 | 0.65 | +http://help.coccoc.com/ |
| 9 | 78 | 0.46 | 13 | 0.21 | +http://www.seoprofiler.com/bot |
| 10 | 60 | 0.35 | 11 | 0.17 | X11 |
| 11 | 47 | 0.28 | 44 | 0.70 | Windows 95 |
| 12 | 47 | 0.28 | 15 | 0.24 | Windows 98 |
| 13 | 45 | 0.27 | 18 | 0.29 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 44 | 0.26 | 20 | 0.32 | +http://www.exabot.com/go/robot |
| 15 | 30 | 0.18 | 5 | 0.08 | Android 2.3.5 |
| 16 | 27 | 0.16 | 23 | 0.37 | MSIE 5.5; Windows NT 5.0 |
| 17 | 26 | 0.15 | 13 | 0.21 | http://crawler.sistrix.net/ |
| 18 | 20 | 0.12 | 4 | 0.06 | ezooms.bot@gmail.com |
| 19 | 13 | 0.08 | 12 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 20 | 12 | 0.07 | 3 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 21 | 11 | 0.06 | 0 | 0.00 | Win32 |
| 22 | 11 | 0.06 | 0 | 0.00 | Macintosh PPC |
| 23 | 10 | 0.06 | 9 | 0.14 | Windows ME |
| 24 | 10 | 0.06 | 4 | 0.06 | Windows XP |
| 25 | 10 | 0.06 | 10 | 0.16 | Windows 3.1 |
| 26 | 8 | 0.05 | 4 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 8 | 0.05 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 7 | 0.04 | 4 | 0.06 | +info@netcraft.com |
| 29 | 6 | 0.04 | 5 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 30 | 5 | 0.03 | 4 | 0.06 | Auto; Windows |
| 31 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 3 | 0.02 | 3 | 0.05 | Windows CE |
| 33 | 3 | 0.02 | 3 | 0.05 | Windows 2000 |
| 34 | 3 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 35 | 2 | 0.01 | 2 | 0.03 | X11; Linux i686; de |
| 36 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 37 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 38 | 1 | 0.01 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 39 | 1 | 0.01 | 1 | 0.02 | Macintosh |
