| Used Operating Systems |
| 1 | 7378 | 62.74 | 1118 | 29.62 | Windows NT |
| 2 | 1571 | 13.36 | 1540 | 40.81 | +http://www.baidu.com/search/spider.html |
| 3 | 689 | 5.86 | 319 | 8.45 | +http://www.bing.com/bingbot.htm |
| 4 | 341 | 2.90 | 95 | 2.52 | +http://www.google.com/bot.html |
| 5 | 321 | 2.73 | 179 | 4.74 | +http://ahrefs.com/robot/ |
| 6 | 296 | 2.52 | 62 | 1.64 | +http://yandex.com/bots |
| 7 | 226 | 1.92 | 225 | 5.96 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 173 | 1.47 | 37 | 0.98 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 105 | 0.89 | 43 | 1.14 | ezooms.bot@gmail.com |
| 10 | 84 | 0.71 | 1 | 0.03 | Intel Mac OS X 10.4 |
| 11 | 79 | 0.67 | 8 | 0.21 | http://crawler.sistrix.net/ |
| 12 | 74 | 0.63 | 29 | 0.77 | Windows 95 |
| 13 | 68 | 0.58 | 2 | 0.05 | PPC Mac OS X 10.5 |
| 14 | 68 | 0.58 | 26 | 0.69 | +http://shoulu.jike.com/spider.html |
| 15 | 45 | 0.38 | 2 | 0.05 | X11 |
| 16 | 41 | 0.35 | 1 | 0.03 | PPC Mac OS X Mach-O |
| 17 | 39 | 0.33 | 16 | 0.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 27 | 0.23 | 15 | 0.40 | +http://www.exabot.com/go/robot |
| 19 | 24 | 0.20 | 3 | 0.08 | +http://go.mail.ru/help/robots |
| 20 | 17 | 0.14 | 10 | 0.26 | Windows 98 |
| 21 | 16 | 0.14 | 4 | 0.11 | +http://www.compspy.com/spider.html |
| 22 | 13 | 0.11 | 5 | 0.13 | ScoutJet; +http://blekko.com/about/blekk... |
| 23 | 8 | 0.07 | 6 | 0.16 | Windows 2000 |
| 24 | 8 | 0.07 | 2 | 0.05 | MirrorDetector; +http://yandex.com/bots |
| 25 | 8 | 0.07 | 4 | 0.11 | Windows XP |
| 26 | 6 | 0.05 | 3 | 0.08 | Windows CE |
| 27 | 6 | 0.05 | 3 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 28 | 6 | 0.05 | 3 | 0.08 | +http://www.acoon.de/robot.asp |
| 29 | 5 | 0.04 | 4 | 0.11 | Linux [unknown version] |
| 30 | 4 | 0.03 | 2 | 0.05 | Auto; Windows |
| 31 | 4 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 32 | 3 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 33 | 3 | 0.03 | 3 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 34 | 3 | 0.03 | 1 | 0.03 | http://www.google.com/bot.html |
| 35 | 1 | 0.01 | 1 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
