| Used Operating Systems by Visits |
| 1 | 3071 | 16.34 | 2282 | 51.66 | +http://www.baidu.com/search/spider.html |
| 2 | 8481 | 45.12 | 680 | 15.40 | Windows NT |
| 3 | 1797 | 9.56 | 529 | 11.98 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1723 | 9.17 | 229 | 5.18 | +http://www.google.com/bot.html |
| 5 | 996 | 5.30 | 206 | 4.66 | ezooms.bot@gmail.com |
| 6 | 583 | 3.10 | 184 | 4.17 | +http://www.bing.com/bingbot.htm |
| 7 | 794 | 4.22 | 82 | 1.86 | +http://yandex.com/bots |
| 8 | 56 | 0.30 | 30 | 0.68 | Windows 98 |
| 9 | 74 | 0.39 | 24 | 0.54 | http://crawler.sistrix.net/ |
| 10 | 58 | 0.31 | 24 | 0.54 | +http://www.exabot.com/go/robot |
| 11 | 40 | 0.21 | 22 | 0.50 | Windows 95 |
| 12 | 40 | 0.21 | 20 | 0.45 | +http://discoveryengine.com/discobot.htm... |
| 13 | 62 | 0.33 | 11 | 0.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 10 | 0.05 | 10 | 0.23 | +http://pmoz.info/doc/botinfo.htm |
| 15 | 12 | 0.06 | 9 | 0.20 | Windows CE |
| 16 | 21 | 0.11 | 9 | 0.20 | +http://ahrefs.com/robot/ |
| 17 | 7 | 0.04 | 7 | 0.16 | Linux [unknown version] |
| 18 | 9 | 0.05 | 6 | 0.14 | Windows 3.1 |
| 19 | 36 | 0.19 | 6 | 0.14 | Linux i686 [unknown version] |
| 20 | 5 | 0.03 | 5 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 21 | 143 | 0.76 | 5 | 0.11 | X11 |
| 22 | 5 | 0.03 | 4 | 0.09 | Windows XP |
| 23 | 170 | 0.90 | 3 | 0.07 | Intel Mac OS X 10.5 |
| 24 | 324 | 1.72 | 3 | 0.07 | +http://www.warebay.com/bot.html |
| 25 | 4 | 0.02 | 3 | 0.07 | +http://www.rexyo.com |
| 26 | 2 | 0.01 | 2 | 0.05 | Windows 2000 |
| 27 | 70 | 0.37 | 2 | 0.05 | +http://www.aihit.com/ |
| 28 | 146 | 0.78 | 2 | 0.05 | Intel Mac OS X 10.4 |
| 29 | 5 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 30 | 6 | 0.03 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 31 | 4 | 0.02 | 2 | 0.05 | +http://www.acoon.de/robot.asp |
| 32 | 2 | 0.01 | 2 | 0.05 | +http://domains.checkparams.com/ |
| 33 | 1 | 0.01 | 1 | 0.02 | http://www.lipperhey.com/ |
| 34 | 1 | 0.01 | 1 | 0.02 | Win32 |
| 35 | 1 | 0.01 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 36 | 1 | 0.01 | 1 | 0.02 | Mac OS X |
| 37 | 2 | 0.01 | 1 | 0.02 | Mac_PowerPC Mac OS |
| 38 | 2 | 0.01 | 1 | 0.02 | +http://botw.org |
| 39 | 1 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 40 | 4 | 0.02 | 1 | 0.02 | +http://www.seoprofiler.com/bot |
| 41 | 3 | 0.02 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 42 | 3 | 0.02 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 43 | 9 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 44 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.4 |
| 45 | 4 | 0.02 | 0 | 0.00 | Windows 9. |
| 46 | 7 | 0.04 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
