| Used Operating Systems |
| 1 | 3780 | 45.33 | 3407 | 69.39 | +http://www.baidu.com/search/spider.html |
| 2 | 2552 | 30.61 | 595 | 12.12 | Windows NT |
| 3 | 922 | 11.06 | 491 | 10.00 | +http://www.google.com/bot.html |
| 4 | 183 | 2.19 | 83 | 1.69 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 173 | 2.07 | 73 | 1.49 | +http://www.bing.com/bingbot.htm |
| 6 | 159 | 1.91 | 22 | 0.45 | Windows 98 |
| 7 | 129 | 1.55 | 23 | 0.47 | +http://yandex.com/bots |
| 8 | 114 | 1.37 | 52 | 1.06 | ezooms.bot@gmail.com |
| 9 | 59 | 0.71 | 52 | 1.06 | Windows 95 |
| 10 | 50 | 0.60 | 28 | 0.57 | +http://www.exabot.com/go/robot |
| 11 | 42 | 0.50 | 3 | 0.06 | Linux i686 [unknown version] |
| 12 | 38 | 0.46 | 2 | 0.04 | Macintosh |
| 13 | 16 | 0.19 | 2 | 0.04 | +http://ahrefs.com/robot/ |
| 14 | 16 | 0.19 | 14 | 0.29 | ) - BrowseX (2.0.0 Windows |
| 15 | 12 | 0.14 | 12 | 0.24 | Windows CE |
| 16 | 11 | 0.13 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 17 | 11 | 0.13 | 10 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 18 | 10 | 0.12 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 19 | 9 | 0.11 | 9 | 0.18 | Windows 2000 |
| 20 | 7 | 0.08 | 0 | 0.00 | Windows XP |
| 21 | 7 | 0.08 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 22 | 6 | 0.07 | 6 | 0.12 | Auto; Windows |
| 23 | 5 | 0.06 | 5 | 0.10 | +http://pmoz.info/doc/botinfo.htm |
| 24 | 4 | 0.05 | 3 | 0.06 | Windows ME |
| 25 | 4 | 0.05 | 4 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 26 | 4 | 0.05 | 4 | 0.08 | Windows 3.1 |
| 27 | 4 | 0.05 | 2 | 0.04 | http://help.naver.com/customer_webtxt_02... |
| 28 | 4 | 0.05 | 2 | 0.04 | +http://shoulu.jike.com/spider.html |
| 29 | 2 | 0.02 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 30 | 2 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 31 | 2 | 0.02 | 1 | 0.02 | +http://www.seoprofiler.com/bot |
| 32 | 1 | 0.01 | 1 | 0.02 | +http://www.wmtips.com/tools/ |
