| Used Operating Systems |
| 1 | 34080 | 74.63 | 1433 | 31.77 | Windows NT |
| 2 | 3146 | 6.89 | 2412 | 53.48 | +http://www.baidu.com/search/spider.html |
| 3 | 2511 | 5.50 | 160 | 3.55 | +http://www.google.com/bot.html |
| 4 | 1511 | 3.31 | 109 | 2.42 | +http://www.bing.com/bingbot.htm |
| 5 | 988 | 2.16 | 76 | 1.69 | +http://yandex.com/bots |
| 6 | 930 | 2.04 | 27 | 0.60 | ezooms.bot@gmail.com |
| 7 | 441 | 0.97 | 82 | 1.82 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 353 | 0.77 | 17 | 0.38 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 234 | 0.51 | 23 | 0.51 | Intel Mac OS X 10.6 |
| 10 | 190 | 0.42 | 8 | 0.18 | Intel Mac OS X 10.5 |
| 11 | 140 | 0.31 | 6 | 0.13 | http://crawler.sistrix.net/ |
| 12 | 124 | 0.27 | 25 | 0.55 | +http://www.eventguru.com/spider.html |
| 13 | 89 | 0.19 | 3 | 0.07 | PPC Mac OS X 10.4 |
| 14 | 89 | 0.19 | 20 | 0.44 | +http://ahrefs.com/robot/ |
| 15 | 89 | 0.19 | 14 | 0.31 | ScoutJet; +http://blekko.com/about/blekk... |
| 16 | 78 | 0.17 | 5 | 0.11 | Linux i686 [unknown version] |
| 17 | 66 | 0.14 | 2 | 0.04 | http://www.nerdbynature.net/bot |
| 18 | 66 | 0.14 | 1 | 0.02 | http://www.lipperhey.com/ |
| 19 | 66 | 0.14 | 2 | 0.04 | +http://www.aihit.com/ |
| 20 | 49 | 0.11 | 5 | 0.11 | Macintosh |
| 21 | 46 | 0.10 | 12 | 0.27 | Windows 98 |
| 22 | 44 | 0.10 | 2 | 0.04 | Intel Mac OS X 10.4 |
| 23 | 43 | 0.09 | 7 | 0.16 | +http://www.exabot.com/go/robot |
| 24 | 42 | 0.09 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 25 | 42 | 0.09 | 6 | 0.13 | +http://discoveryengine.com/discobot.htm... |
| 26 | 40 | 0.09 | 5 | 0.11 | +http://www.scoutjet.com/ |
| 27 | 40 | 0.09 | 16 | 0.35 | +http://shoulu.jike.com/spider.html |
| 28 | 37 | 0.08 | 14 | 0.31 | Windows 95 |
| 29 | 28 | 0.06 | 1 | 0.02 | Windows XP |
| 30 | 16 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 31 | 14 | 0.03 | 0 | 0.00 | Windows 9. |
| 32 | 4 | 0.01 | 3 | 0.07 | Win32 |
| 33 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 34 | 4 | 0.01 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 35 | 4 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 36 | 3 | 0.01 | 0 | 0.00 | X11 |
| 37 | 2 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 38 | 2 | 0.00 | 0 | 0.00 | Windows ME |
| 39 | 2 | 0.00 | 1 | 0.02 | +http://www.acoon.de/robot.asp |
| 40 | 2 | 0.00 | 1 | 0.02 | +http://eripp.com |
| 41 | 2 | 0.00 | 1 | 0.02 | +http://domains.checkparams.com/ |
| 42 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 43 | 1 | 0.00 | 1 | 0.02 | Windows NT 5.1 |
| 44 | 1 | 0.00 | 1 | 0.02 | +http://www.evri.com/evrinid |
| 45 | 1 | 0.00 | 1 | 0.02 | +http://www.wmtips.com/tools/ |
| 46 | 1 | 0.00 | 0 | 0.00 | +http://www.seoprofiler.com/bot |
