| Used Operating Systems |
| 1 | 3073 | 41.20 | 2802 | 62.91 | +http://www.baidu.com/search/spider.html |
| 2 | 2331 | 31.26 | 774 | 17.38 | Windows NT |
| 3 | 805 | 10.79 | 403 | 9.05 | +http://www.google.com/bot.html |
| 4 | 259 | 3.47 | 94 | 2.11 | +http://yandex.com/bots |
| 5 | 190 | 2.55 | 86 | 1.93 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 115 | 1.54 | 75 | 1.68 | +http://ahrefs.com/robot/ |
| 7 | 109 | 1.46 | 50 | 1.12 | +http://www.bing.com/bingbot.htm |
| 8 | 101 | 1.35 | 5 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 80 | 1.07 | 38 | 0.85 | ezooms.bot@gmail.com |
| 10 | 78 | 1.05 | 2 | 0.04 | X11 |
| 11 | 40 | 0.54 | 4 | 0.09 | http://crawler.sistrix.net/ |
| 12 | 34 | 0.46 | 1 | 0.02 | Unknown |
| 13 | 30 | 0.40 | 27 | 0.61 | Windows 95 |
| 14 | 30 | 0.40 | 13 | 0.29 | Windows 98 |
| 15 | 29 | 0.39 | 15 | 0.34 | +http://www.exabot.com/go/robot |
| 16 | 22 | 0.29 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 17 | 19 | 0.25 | 11 | 0.25 | +http://discoveryengine.com/discobot.htm... |
| 18 | 18 | 0.24 | 2 | 0.04 | +http://www.aihit.com/ |
| 19 | 16 | 0.21 | 8 | 0.18 | +http://shoulu.jike.com/spider.html |
| 20 | 12 | 0.16 | 2 | 0.04 | Linux i686 [unknown version] |
| 21 | 12 | 0.16 | 6 | 0.13 | +http://www.eventguru.com/spider.html |
| 22 | 8 | 0.11 | 3 | 0.07 | http://www.botje.com/plukkie.htm |
| 23 | 8 | 0.11 | 2 | 0.04 | ScoutJet; +http://blekko.com/about/blekk... |
| 24 | 6 | 0.08 | 5 | 0.11 | Windows 2000 |
| 25 | 6 | 0.08 | 5 | 0.11 | Windows 3.1 |
| 26 | 4 | 0.05 | 4 | 0.09 | Windows CE |
| 27 | 4 | 0.05 | 1 | 0.02 | +http://www.hailoo.com/spider.html |
| 28 | 4 | 0.05 | 2 | 0.04 | +info@netcraft.com |
| 29 | 4 | 0.05 | 4 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 30 | 3 | 0.04 | 2 | 0.04 | Windows XP |
| 31 | 3 | 0.04 | 3 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 32 | 2 | 0.03 | 2 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 33 | 1 | 0.01 | 1 | 0.02 | Auto; Windows |
| 34 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 35 | 1 | 0.01 | 1 | 0.02 | Windows ME |
