| Used Operating Systems |
| 1 | 22854 | 72.24 | 992 | 29.36 | Windows NT |
| 2 | 1925 | 6.08 | 1507 | 44.60 | +http://www.baidu.com/search/spider.html |
| 3 | 1628 | 5.15 | 172 | 5.09 | +http://www.bing.com/bingbot.htm |
| 4 | 1440 | 4.55 | 152 | 4.50 | +http://yandex.com/bots |
| 5 | 1067 | 3.37 | 230 | 6.81 | +http://www.google.com/bot.html |
| 6 | 861 | 2.72 | 7 | 0.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 537 | 1.70 | 35 | 1.04 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 247 | 0.78 | 81 | 2.40 | ezooms.bot@gmail.com |
| 9 | 220 | 0.70 | 15 | 0.44 | Intel Mac OS X 10.6 |
| 10 | 157 | 0.50 | 72 | 2.13 | +http://ahrefs.com/robot/ |
| 11 | 134 | 0.42 | 15 | 0.44 | +http://shoulu.jike.com/spider.html |
| 12 | 112 | 0.35 | 26 | 0.77 | +http://www.exabot.com/go/robot |
| 13 | 80 | 0.25 | 4 | 0.12 | PPC Mac OS X 10.4 |
| 14 | 77 | 0.24 | 7 | 0.21 | Intel Mac OS X 10.4 |
| 15 | 67 | 0.21 | 10 | 0.30 | Windows 98 |
| 16 | 53 | 0.17 | 4 | 0.12 | Linux i686 [unknown version] |
| 17 | 30 | 0.09 | 16 | 0.47 | Windows 95 |
| 18 | 27 | 0.09 | 1 | 0.03 | http://crawler.sistrix.net/ |
| 19 | 20 | 0.06 | 0 | 0.00 | Windows 9. |
| 20 | 19 | 0.06 | 1 | 0.03 | Intel Mac OS X 10.5 |
| 21 | 15 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 22 | 12 | 0.04 | 6 | 0.18 | Windows 2000 |
| 23 | 7 | 0.02 | 2 | 0.06 | Windows XP |
| 24 | 6 | 0.02 | 3 | 0.09 | Windows CE |
| 25 | 6 | 0.02 | 3 | 0.09 | Windows 3.1 |
| 26 | 6 | 0.02 | 4 | 0.12 | +info@netcraft.com |
| 27 | 4 | 0.01 | 0 | 0.00 | http://benderthewebrobot.tumblr.com |
| 28 | 4 | 0.01 | 2 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 29 | 4 | 0.01 | 2 | 0.06 | +http://www.acoon.de/robot.asp |
| 30 | 3 | 0.01 | 1 | 0.03 | ScoutJet; +http://blekko.com/about/blekk... |
| 31 | 2 | 0.01 | 2 | 0.06 | Macintosh PPC |
| 32 | 2 | 0.01 | 0 | 0.00 | +Someday ya skazhu |
| 33 | 2 | 0.01 | 0 | 0.00 | +http://www.web.nl/webmasters/spider.htm... |
| 34 | 2 | 0.01 | 1 | 0.03 | Windows ME |
| 35 | 2 | 0.01 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 36 | 2 | 0.01 | 0 | 0.00 | X11 |
| 37 | 2 | 0.01 | 2 | 0.06 | +http://www.profound.net/sibot.html |
| 38 | 1 | 0.00 | 1 | 0.03 | +http://tweetmeme.com/ |
| 39 | 1 | 0.00 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
