| Used Operating Systems |
| 1 | 17911 | 71.06 | 4888 | 67.21 | Windows NT |
| 2 | 3006 | 11.93 | 70 | 0.96 | Windows XP |
| 3 | 1719 | 6.82 | 1628 | 22.38 | +http://www.baidu.com/search/spider.html |
| 4 | 696 | 2.76 | 215 | 2.96 | +http://www.bing.com/bingbot.htm |
| 5 | 529 | 2.10 | 146 | 2.01 | +http://www.google.com/bot.html |
| 6 | 256 | 1.02 | 40 | 0.55 | +http://yandex.com/bots |
| 7 | 236 | 0.94 | 16 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 179 | 0.71 | 62 | 0.85 | +http://www.linkdex.com/about/bots/ |
| 9 | 143 | 0.57 | 2 | 0.03 | +http://www.exabot.com/go/robot |
| 10 | 118 | 0.47 | 22 | 0.30 | X11 |
| 11 | 50 | 0.20 | 11 | 0.15 | Windows 98 |
| 12 | 46 | 0.18 | 44 | 0.60 | +http://www.openfos.com |
| 13 | 42 | 0.17 | 38 | 0.52 | Windows 95 |
| 14 | 42 | 0.17 | 3 | 0.04 | +http://www.seoprofiler.com/bot |
| 15 | 39 | 0.15 | 8 | 0.11 | Android 2.3.5 |
| 16 | 32 | 0.13 | 8 | 0.11 | +http://www.profound.net/urlappendbot.ht... |
| 17 | 26 | 0.10 | 11 | 0.15 | ezooms.bot@gmail.com |
| 18 | 23 | 0.09 | 11 | 0.15 | +http://www.easou.com/search/spider.html |
| 19 | 23 | 0.09 | 3 | 0.04 | +http://siteexplorer.info/ |
| 20 | 13 | 0.05 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 21 | 11 | 0.04 | 10 | 0.14 | Windows CE |
| 22 | 10 | 0.04 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 10 | 0.04 | 5 | 0.07 | http://crawler.sistrix.net/ |
| 24 | 8 | 0.03 | 7 | 0.10 | Windows 3.1 |
| 25 | 5 | 0.02 | 5 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 26 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 4 | 0.02 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 4 | 0.02 | 3 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 29 | 3 | 0.01 | 3 | 0.04 | Windows 2000 |
| 30 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 32 | 2 | 0.01 | 2 | 0.03 | Auto; Windows |
| 33 | 2 | 0.01 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 34 | 2 | 0.01 | 2 | 0.03 | Windows ME |
| 35 | 2 | 0.01 | 2 | 0.03 | +http://struct.it/contacts/ |
| 36 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 37 | 1 | 0.00 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 38 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 39 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
