| Used Operating Systems |
| 1 | 8073 | 21.54 | 5880 | 40.19 | +http://www.baidu.com/search/spider.html |
| 2 | 6915 | 18.45 | 4581 | 31.31 | +http://ahrefs.com/robot/ |
| 3 | 6157 | 16.43 | 395 | 2.70 | +http://yandex.com/bots |
| 4 | 3497 | 9.33 | 747 | 5.11 | +http://www.google.com/bot.html |
| 5 | 3080 | 8.22 | 1660 | 11.34 | +http://www.bing.com/bingbot.htm |
| 6 | 2838 | 7.57 | 50 | 0.34 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 2079 | 5.55 | 615 | 4.20 | Windows NT |
| 8 | 1583 | 4.22 | 28 | 0.19 | Windows 98 |
| 9 | 837 | 2.23 | 222 | 1.52 | ezooms.bot@gmail.com |
| 10 | 706 | 1.88 | 65 | 0.44 | +http://shoulu.jike.com/spider.html |
| 11 | 569 | 1.52 | 153 | 1.05 | +http://discoveryengine.com/discoverybot... |
| 12 | 498 | 1.33 | 9 | 0.06 | http://crawler.sistrix.net/ |
| 13 | 262 | 0.70 | 82 | 0.56 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 101 | 0.27 | 55 | 0.38 | +http://www.exabot.com/go/robot |
| 15 | 100 | 0.27 | 1 | 0.01 | http://www.lipperhey.com/ |
| 16 | 72 | 0.19 | 39 | 0.27 | +http://www.proximic.com/info/spider.php |
| 17 | 30 | 0.08 | 13 | 0.09 | Linux i686 [unknown version] |
| 18 | 11 | 0.03 | 6 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 19 | 8 | 0.02 | 4 | 0.03 | crawler@unister.de |
| 20 | 8 | 0.02 | 4 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 21 | 7 | 0.02 | 7 | 0.05 | Linux [unknown version] |
| 22 | 5 | 0.01 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 23 | 4 | 0.01 | 2 | 0.01 | Windows CE |
| 24 | 4 | 0.01 | 2 | 0.01 | +http://www.compspy.com/spider.html |
| 25 | 4 | 0.01 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 26 | 3 | 0.01 | 2 | 0.01 | Windows 2000 |
| 27 | 3 | 0.01 | 1 | 0.01 | AOL 9.0; Windows NT 5.1; Trident/4.0; BT... |
| 28 | 3 | 0.01 | 1 | 0.01 | Windows Phone OS 7.5 |
| 29 | 3 | 0.01 | 1 | 0.01 | AOL 9.5; AOLBuild 4337.5401; Windows NT ... |
| 30 | 2 | 0.01 | 1 | 0.01 | Windows XP |
| 31 | 2 | 0.01 | 1 | 0.01 | Windows ME |
| 32 | 2 | 0.01 | 1 | 0.01 | Windows 95 |
| 33 | 2 | 0.01 | 0 | 0.00 | X11 |
| 34 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 35 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 36 | 1 | 0.00 | 0 | 0.00 | Windows 9. |
| 37 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
