| Used Operating Systems by Visits |
| 1 | 3978 | 29.51 | 3302 | 55.27 | +http://www.baidu.com/search/spider.html |
| 2 | 1984 | 14.72 | 771 | 12.91 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4214 | 31.26 | 735 | 12.30 | Windows NT |
| 4 | 927 | 6.88 | 377 | 6.31 | +http://www.google.com/bot.html |
| 5 | 223 | 1.65 | 221 | 3.70 | http://www.yodao.com/help/webmaster/spid... |
| 6 | 567 | 4.21 | 152 | 2.54 | +http://yandex.com/bots |
| 7 | 467 | 3.46 | 136 | 2.28 | ezooms.bot@gmail.com |
| 8 | 221 | 1.64 | 101 | 1.69 | +http://www.bing.com/bingbot.htm |
| 9 | 39 | 0.29 | 29 | 0.49 | +http://ahrefs.com/robot/ |
| 10 | 446 | 3.31 | 24 | 0.40 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 29 | 0.22 | 13 | 0.22 | +http://shoulu.jike.com/spider.html |
| 12 | 22 | 0.16 | 11 | 0.18 | Linux [unknown version] |
| 13 | 13 | 0.10 | 11 | 0.18 | Windows 95 |
| 14 | 22 | 0.16 | 11 | 0.18 | +http://www.eventguru.com/spider.html |
| 15 | 27 | 0.20 | 11 | 0.18 | Windows 98 |
| 16 | 22 | 0.16 | 10 | 0.17 | +http://www.exabot.com/go/robot |
| 17 | 20 | 0.15 | 9 | 0.15 | +http://discoveryengine.com/discobot.htm... |
| 18 | 16 | 0.12 | 8 | 0.13 | http://crawler.sistrix.net/ |
| 19 | 4 | 0.03 | 4 | 0.07 | Windows 2000 |
| 20 | 4 | 0.03 | 4 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 21 | 8 | 0.06 | 4 | 0.07 | http://www.youdao.com/help/webmaster/spi... |
| 22 | 3 | 0.02 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 23 | 54 | 0.40 | 2 | 0.03 | Intel Mac OS X 10.5 |
| 24 | 2 | 0.01 | 2 | 0.03 | Intel Mac OS X |
| 25 | 20 | 0.15 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 26 | 16 | 0.12 | 2 | 0.03 | +http://www.aihit.com/ |
| 27 | 2 | 0.01 | 2 | 0.03 | Unknown |
| 28 | 11 | 0.08 | 2 | 0.03 | MSIE 5.5; Windows NT 5.1 |
| 29 | 4 | 0.03 | 2 | 0.03 | +http://www.hailoo.com/spider.html |
| 30 | 2 | 0.01 | 2 | 0.03 | Windows ME |
| 31 | 2 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 32 | 4 | 0.03 | 2 | 0.03 | +http://botw.org |
| 33 | 40 | 0.30 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 34 | 1 | 0.01 | 1 | 0.02 | Windows XP |
| 35 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 36 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 37 | 11 | 0.08 | 1 | 0.02 | Linux i686 [unknown version] |
| 38 | 26 | 0.19 | 1 | 0.02 | X11 |
| 39 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 40 | 6 | 0.04 | 0 | 0.00 | Windows CE |
| 41 | 2 | 0.01 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 42 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 43 | 17 | 0.13 | 0 | 0.00 | Solaris 2.4.x |
