| Used Operating Systems |
| 1 | 3680 | 39.16 | 528 | 14.74 | Windows NT |
| 2 | 2050 | 21.82 | 1806 | 50.42 | +http://www.baidu.com/search/spider.html |
| 3 | 1204 | 12.81 | 511 | 14.27 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 965 | 10.27 | 104 | 2.90 | +http://www.bing.com/bingbot.htm |
| 5 | 358 | 3.81 | 354 | 9.88 | http://www.yodao.com/help/webmaster/spid... |
| 6 | 237 | 2.52 | 72 | 2.01 | +http://yandex.com/bots |
| 7 | 230 | 2.45 | 2 | 0.06 | +http://boston.lti.cs.cmu.edu/crawler_12... |
| 8 | 185 | 1.97 | 57 | 1.59 | +http://www.google.com/bot.html |
| 9 | 52 | 0.55 | 24 | 0.67 | ezooms.bot@gmail.com |
| 10 | 51 | 0.54 | 4 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 43 | 0.46 | 21 | 0.59 | Windows 98 |
| 12 | 43 | 0.46 | 6 | 0.17 | Intel Mac OS X 10.6 |
| 13 | 42 | 0.45 | 9 | 0.25 | Intel Mac OS X 10.4 |
| 14 | 27 | 0.29 | 12 | 0.34 | +http://ahrefs.com/robot/ |
| 15 | 26 | 0.28 | 16 | 0.45 | Windows 95 |
| 16 | 24 | 0.26 | 8 | 0.22 | +http://www.exabot.com/go/robot |
| 17 | 22 | 0.23 | 1 | 0.03 | Intel Mac OS X 10.7 |
| 18 | 22 | 0.23 | 8 | 0.22 | +http://www.seoprofiler.com/bot |
| 19 | 20 | 0.21 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 20 | 20 | 0.21 | 1 | 0.03 | PPC Mac OS X Mach-O |
| 21 | 15 | 0.16 | 3 | 0.08 | Linux i686 [unknown version] |
| 22 | 14 | 0.15 | 2 | 0.06 | Windows Phone OS 7.5 |
| 23 | 8 | 0.09 | 4 | 0.11 | +http://discoveryengine.com/discobot.htm... |
| 24 | 8 | 0.09 | 4 | 0.11 | +http://shoulu.jike.com/spider.html |
| 25 | 7 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 6 | 0.06 | 5 | 0.14 | Windows CE |
| 27 | 5 | 0.05 | 3 | 0.08 | Windows ME |
| 28 | 5 | 0.05 | 4 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 29 | 4 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 30 | 4 | 0.04 | 2 | 0.06 | http://crawler.sistrix.net/ |
| 31 | 4 | 0.04 | 3 | 0.08 | Windows 3.1 |
| 32 | 4 | 0.04 | 1 | 0.03 | +http://domains.checkparams.com/ |
| 33 | 3 | 0.03 | 3 | 0.08 | Windows 2000 |
| 34 | 2 | 0.02 | 0 | 0.00 | J2ME/MIDP |
| 35 | 2 | 0.02 | 1 | 0.03 | Windows XP |
| 36 | 2 | 0.02 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 37 | 2 | 0.02 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 38 | 1 | 0.01 | 1 | 0.03 | +info@netcraft.com |
