| Used Operating Systems |
| 1 | 5726 | 51.59 | 1075 | 24.35 | Windows NT |
| 2 | 2848 | 25.66 | 2524 | 57.18 | +http://www.baidu.com/search/spider.html |
| 3 | 676 | 6.09 | 331 | 7.50 | +http://www.google.com/bot.html |
| 4 | 366 | 3.30 | 112 | 2.54 | ezooms.bot@gmail.com |
| 5 | 303 | 2.73 | 83 | 1.88 | +http://www.bing.com/bingbot.htm |
| 6 | 297 | 2.68 | 84 | 1.90 | +http://yandex.com/bots |
| 7 | 250 | 2.25 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 8 | 99 | 0.89 | 48 | 1.09 | Windows 95 |
| 9 | 88 | 0.79 | 12 | 0.27 | http://crawler.sistrix.net/ |
| 10 | 57 | 0.51 | 25 | 0.57 | Windows 98 |
| 11 | 51 | 0.46 | 5 | 0.11 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 32 | 0.29 | 6 | 0.14 | Linux i686 [unknown version] |
| 13 | 31 | 0.28 | 12 | 0.27 | MSIE 5.5; Windows NT 4.0 |
| 14 | 23 | 0.21 | 11 | 0.25 | Windows ME |
| 15 | 21 | 0.19 | 1 | 0.02 | +http://www.aihit.com/ |
| 16 | 21 | 0.19 | 11 | 0.25 | +http://www.exabot.com/go/robot |
| 17 | 20 | 0.18 | 8 | 0.18 | Windows CE |
| 18 | 19 | 0.17 | 12 | 0.27 | Windows 3.1 |
| 19 | 19 | 0.17 | 12 | 0.27 | MSIE 5.5; Windows NT 5.0 |
| 20 | 18 | 0.16 | 2 | 0.05 | Intel Mac OS X 10.6 |
| 21 | 17 | 0.15 | 7 | 0.16 | +http://ahrefs.com/robot/ |
| 22 | 14 | 0.13 | 7 | 0.16 | Windows 2000 |
| 23 | 12 | 0.11 | 1 | 0.02 | Windows |
| 24 | 12 | 0.11 | 6 | 0.14 | +http://www.eventguru.com/spider.html |
| 25 | 12 | 0.11 | 0 | 0.00 | Macintosh |
| 26 | 11 | 0.10 | 2 | 0.05 | Windows XP |
| 27 | 8 | 0.07 | 0 | 0.00 | http://desktop.google.com/ |
| 28 | 8 | 0.07 | 1 | 0.02 | Intel Mac OS X 10.5 |
| 29 | 8 | 0.07 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 30 | 6 | 0.05 | 3 | 0.07 | +http://discoveryengine.com/discobot.htm... |
| 31 | 6 | 0.05 | 2 | 0.05 | ScoutJet; +http://blekko.com/about/blekk... |
| 32 | 4 | 0.04 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 33 | 4 | 0.04 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
| 34 | 2 | 0.02 | 2 | 0.05 | Macintosh PPC |
| 35 | 2 | 0.02 | 2 | 0.05 | Intel Mac OS X |
| 36 | 2 | 0.02 | 2 | 0.05 | Linux [unknown version] |
| 37 | 2 | 0.02 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 38 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 39 | 1 | 0.01 | 1 | 0.02 | Solaris 2.6.x |
