| Used Operating Systems |
| 1 | 19707 | 50.49 | 4836 | 79.02 | Windows NT |
| 2 | 11138 | 28.53 | 132 | 2.16 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3076 | 7.88 | 89 | 1.45 | +http://yandex.com/bots |
| 4 | 2351 | 6.02 | 412 | 6.73 | +http://www.bing.com/bingbot.htm |
| 5 | 939 | 2.41 | 148 | 2.42 | +http://www.google.com/bot.html |
| 6 | 887 | 2.27 | 16 | 0.26 | +http://www.seoprofiler.com/bot |
| 7 | 250 | 0.64 | 194 | 3.17 | +http://www.baidu.com/search/spider.html |
| 8 | 109 | 0.28 | 19 | 0.31 | X11 |
| 9 | 84 | 0.22 | 56 | 0.92 | Windows 95 |
| 10 | 77 | 0.20 | 12 | 0.20 | Android 2.3.5 |
| 11 | 74 | 0.19 | 20 | 0.33 | Windows 98 |
| 12 | 70 | 0.18 | 26 | 0.42 | +http://www.linkdex.com/about/bots/ |
| 13 | 46 | 0.12 | 23 | 0.38 | +http://help.coccoc.com/ |
| 14 | 24 | 0.06 | 23 | 0.38 | Windows CE |
| 15 | 22 | 0.06 | 10 | 0.16 | help@moz.com |
| 16 | 21 | 0.05 | 5 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 21 | 0.05 | 18 | 0.29 | Windows ME |
| 18 | 19 | 0.05 | 17 | 0.28 | Windows 2000 |
| 19 | 17 | 0.04 | 12 | 0.20 | Auto; Windows |
| 20 | 15 | 0.04 | 1 | 0.02 | Windows XP |
| 21 | 15 | 0.04 | 11 | 0.18 | ) - BrowseX (2.0.0 Windows |
| 22 | 14 | 0.04 | 11 | 0.18 | Windows 3.1 |
| 23 | 13 | 0.03 | 12 | 0.20 | MSIE 5.5; Windows NT 5.0 |
| 24 | 13 | 0.03 | 7 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 25 | 6 | 0.02 | 3 | 0.05 | ezooms.bot@gmail.com |
| 26 | 5 | 0.01 | 0 | 0.00 | Win32 |
| 27 | 5 | 0.01 | 1 | 0.02 | Wayback Machine Live Record; +http://arc... |
| 28 | 5 | 0.01 | 3 | 0.05 | Linux i686 [unknown version] |
| 29 | 3 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 30 | 3 | 0.01 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 31 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 32 | 1 | 0.00 | 1 | 0.02 | X11; Linux i686; de |
| 33 | 1 | 0.00 | 1 | 0.02 | Macintosh |
| 34 | 1 | 0.00 | 0 | 0.00 | +info@netcraft.com |
