| Used Operating Systems |
| 1 | 20341 | 77.20 | 5756 | 67.01 | Windows NT |
| 2 | 1817 | 6.90 | 1768 | 20.58 | +http://www.baidu.com/search/spider.html |
| 3 | 1367 | 5.19 | 386 | 4.49 | +http://www.google.com/bot.html |
| 4 | 1319 | 5.01 | 47 | 0.55 | +http://yandex.com/bots |
| 5 | 378 | 1.43 | 176 | 2.05 | +http://www.bing.com/bingbot.htm |
| 6 | 254 | 0.96 | 128 | 1.49 | Windows 95 |
| 7 | 198 | 0.75 | 39 | 0.45 | Windows 98 |
| 8 | 106 | 0.40 | 32 | 0.37 | X11 |
| 9 | 66 | 0.25 | 27 | 0.31 | Windows ME |
| 10 | 61 | 0.23 | 20 | 0.23 | Android 2.3.5 |
| 11 | 59 | 0.22 | 28 | 0.33 | Windows 2000 |
| 12 | 55 | 0.21 | 26 | 0.30 | ) - BrowseX (2.0.0 Windows |
| 13 | 47 | 0.18 | 24 | 0.28 | Auto; Windows |
| 14 | 39 | 0.15 | 21 | 0.24 | Windows CE |
| 15 | 39 | 0.15 | 18 | 0.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 39 | 0.15 | 18 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 17 | 35 | 0.13 | 26 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 18 | 31 | 0.12 | 21 | 0.24 | Windows 3.1 |
| 19 | 28 | 0.11 | 3 | 0.03 | Windows XP |
| 20 | 17 | 0.06 | 8 | 0.09 | http://www.majestic12.co.uk/bot.php?+ |
| 21 | 6 | 0.02 | 1 | 0.01 | +info@netcraft.com |
| 22 | 6 | 0.02 | 3 | 0.03 | +http://www.exabot.com/go/robot |
| 23 | 5 | 0.02 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 24 | 5 | 0.02 | 3 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 25 | 4 | 0.02 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 4 | 0.02 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 27 | 4 | 0.02 | 2 | 0.02 | ezooms.bot@gmail.com |
| 28 | 4 | 0.02 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 4 | 0.02 | 2 | 0.02 | +http://siteexplorer.info/ |
| 30 | 3 | 0.01 | 2 | 0.02 | J2ME/MIDP |
| 31 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 32 | 2 | 0.01 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 33 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 34 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 35 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
