| Used Operating Systems by Visits |
| 1 | 1748 | 19.57 | 1661 | 54.49 | +http://www.baidu.com/search/spider.html |
| 2 | 3001 | 33.59 | 903 | 29.63 | Windows NT |
| 3 | 1816 | 20.33 | 256 | 8.40 | +http://www.bing.com/bingbot.htm |
| 4 | 484 | 5.42 | 67 | 2.20 | +http://www.google.com/bot.html |
| 5 | 1446 | 16.19 | 53 | 1.74 | +http://yandex.com/bots |
| 6 | 125 | 1.40 | 27 | 0.89 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 34 | 0.38 | 17 | 0.56 | ezooms.bot@gmail.com |
| 8 | 34 | 0.38 | 12 | 0.39 | Windows 98 |
| 9 | 21 | 0.24 | 7 | 0.23 | Windows 2000 |
| 10 | 19 | 0.21 | 7 | 0.23 | Windows 95 |
| 11 | 11 | 0.12 | 6 | 0.20 | +http://www.exabot.com/go/robot |
| 12 | 11 | 0.12 | 5 | 0.16 | http://crawler.sistrix.net/ |
| 13 | 16 | 0.18 | 5 | 0.16 | Windows 3.1 |
| 14 | 8 | 0.09 | 4 | 0.13 | http://www.majestic12.co.uk/bot.php?+ |
| 15 | 9 | 0.10 | 3 | 0.10 | Windows ME |
| 16 | 8 | 0.09 | 2 | 0.07 | +http://filterdb.iss.net/crawler/ |
| 17 | 8 | 0.09 | 2 | 0.07 | +http://www.profound.net/urlappendbot.ht... |
| 18 | 36 | 0.40 | 2 | 0.07 | +http://endb-consolidated.aihit.com/ |
| 19 | 8 | 0.09 | 2 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 3 | 0.03 | 1 | 0.03 | Windows CE |
| 21 | 1 | 0.01 | 1 | 0.03 | Auto; Windows |
| 22 | 2 | 0.02 | 1 | 0.03 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 23 | 1 | 0.01 | 1 | 0.03 | FreeBSD [unknown version] |
| 24 | 2 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 25 | 53 | 0.59 | 1 | 0.03 | +http://www.solomono.ru |
| 26 | 12 | 0.13 | 1 | 0.03 | http://www.dataprovider.com/ |
| 27 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 28 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 29 | 3 | 0.03 | 0 | 0.00 | Series 60 |
| 30 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 31 | 4 | 0.04 | 0 | 0.00 | +http://www.compspy.com/spider.html |
| 32 | 1 | 0.01 | 0 | 0.00 | X11 |
| 33 | 1 | 0.01 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 34 | 4 | 0.04 | 0 | 0.00 | PPC Mac OS X Mach-O |
