| Used Operating Systems |
| 1 | 9407 | 40.68 | 1010 | 19.94 | Windows NT |
| 2 | 3341 | 14.45 | 302 | 5.96 | +http://www.google.com/bot.html |
| 3 | 3267 | 14.13 | 2324 | 45.88 | +http://www.baidu.com/search/spider.html |
| 4 | 2051 | 8.87 | 649 | 12.81 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1458 | 6.30 | 261 | 5.15 | ezooms.bot@gmail.com |
| 6 | 1324 | 5.72 | 73 | 1.44 | +http://yandex.com/bots |
| 7 | 688 | 2.97 | 233 | 4.60 | +http://www.bing.com/bingbot.htm |
| 8 | 500 | 2.16 | 3 | 0.06 | +http://www.warebay.com/bot.html |
| 9 | 209 | 0.90 | 3 | 0.06 | Linux [unknown version] |
| 10 | 97 | 0.42 | 12 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 90 | 0.39 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 12 | 88 | 0.38 | 8 | 0.16 | Linux i686 [unknown version] |
| 13 | 82 | 0.35 | 44 | 0.87 | +http://ahrefs.com/robot/ |
| 14 | 63 | 0.27 | 5 | 0.10 | Intel Mac OS X 10.6 |
| 15 | 62 | 0.27 | 2 | 0.04 | Intel Mac OS X 10.5 |
| 16 | 56 | 0.24 | 2 | 0.04 | +http://www.aihit.com/ |
| 17 | 55 | 0.24 | 31 | 0.61 | Windows 98 |
| 18 | 52 | 0.22 | 33 | 0.65 | Windows 95 |
| 19 | 33 | 0.14 | 13 | 0.26 | Windows CE |
| 20 | 32 | 0.14 | 1 | 0.02 | X11 |
| 21 | 30 | 0.13 | 11 | 0.22 | +http://www.exabot.com/go/robot |
| 22 | 27 | 0.12 | 4 | 0.08 | Windows 2000 |
| 23 | 18 | 0.08 | 4 | 0.08 | Windows XP |
| 24 | 14 | 0.06 | 4 | 0.08 | +http://www.seoprofiler.com/bot |
| 25 | 13 | 0.06 | 4 | 0.08 | Windows ME |
| 26 | 13 | 0.06 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 9 | 0.04 | 3 | 0.06 | RGAnalytics/1.0; http://reverseget.com/d... |
| 28 | 8 | 0.03 | 7 | 0.14 | +http://pmoz.info/doc/botinfo.htm |
| 29 | 7 | 0.03 | 7 | 0.14 | Windows 3.1 |
| 30 | 6 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 31 | 6 | 0.03 | 0 | 0.00 | Windows 9. |
| 32 | 5 | 0.02 | 5 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.02 | 2 | 0.04 | ReverseGet/1.0; http://reverseget.com/; ... |
| 34 | 2 | 0.01 | 1 | 0.02 | +http://discoveryengine.com/discobot.htm... |
| 35 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 36 | 2 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 37 | 2 | 0.01 | 0 | 0.00 | Windows 9 |
| 38 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 39 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 40 | 1 | 0.00 | 1 | 0.02 | crawler@nigma.ru |
