| Used Operating Systems by Visits |
| 1 | 8619 | 11.20 | 4317 | 47.03 | +http://ahrefs.com/robot/ |
| 2 | 7615 | 9.90 | 2442 | 26.60 | +http://www.baidu.com/search/spider.html |
| 3 | 2928 | 3.81 | 663 | 7.22 | Windows NT |
| 4 | 25323 | 32.91 | 422 | 4.60 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 2884 | 3.75 | 364 | 3.97 | +http://www.linkdex.com/bots/ |
| 6 | 1926 | 2.50 | 258 | 2.81 | +http://www.bing.com/bingbot.htm |
| 7 | 25584 | 33.25 | 247 | 2.69 | http://mj12bot.com/ |
| 8 | 944 | 1.23 | 230 | 2.51 | +http://www.google.com/bot.html |
| 9 | 138 | 0.18 | 62 | 0.68 | Windows 95 |
| 10 | 516 | 0.67 | 60 | 0.65 | +http://yandex.com/bots |
| 11 | 26 | 0.03 | 16 | 0.17 | Windows 2000 |
| 12 | 23 | 0.03 | 16 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 13 | 22 | 0.03 | 14 | 0.15 | Windows CE |
| 14 | 19 | 0.02 | 12 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 15 | 15 | 0.02 | 11 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 16 | 13 | 0.02 | 9 | 0.10 | Auto; Windows |
| 17 | 16 | 0.02 | 7 | 0.08 | Linux i686 [unknown version] |
| 18 | 38 | 0.05 | 7 | 0.08 | +http://www.exabot.com/go/robot |
| 19 | 14 | 0.02 | 6 | 0.07 | Windows ME |
| 20 | 66 | 0.09 | 5 | 0.05 | Windows 98 |
| 21 | 11 | 0.01 | 4 | 0.04 | Windows 3.1 |
| 22 | 128 | 0.17 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 23 | 12 | 0.02 | 2 | 0.02 | +info@netcraft.com |
| 24 | 3 | 0.00 | 2 | 0.02 | +http://jooble.org/jooble-bot |
| 25 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 26 | 4 | 0.01 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 27 | 1 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 28 | 18 | 0.02 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 29 | 4 | 0.01 | 0 | 0.00 | http://www.botje.com/plukkie.htm |
| 30 | 24 | 0.03 | 0 | 0.00 | Windows XP |
| 31 | 2 | 0.00 | 0 | 0.00 | http://uptime.com |
| 32 | 4 | 0.01 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 33 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 34 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 35 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |