| Used Operating Systems |
| 1 | 57373 | 76.90 | 404 | 8.47 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12995 | 17.42 | 2940 | 61.61 | Windows NT |
| 3 | 1124 | 1.51 | 161 | 3.37 | +http://ahrefs.com/robot/ |
| 4 | 645 | 0.86 | 268 | 5.62 | +http://www.google.com/bot.html |
| 5 | 428 | 0.57 | 151 | 3.16 | +http://www.bing.com/bingbot.htm |
| 6 | 364 | 0.49 | 89 | 1.87 | +http://www.linkdex.com/bots/ |
| 7 | 362 | 0.49 | 297 | 6.22 | +http://www.baidu.com/search/spider.html |
| 8 | 283 | 0.38 | 146 | 3.06 | Windows 95 |
| 9 | 202 | 0.27 | 18 | 0.38 | Windows 98 |
| 10 | 80 | 0.11 | 14 | 0.29 | +http://yandex.com/bots |
| 11 | 78 | 0.10 | 10 | 0.21 | +http://siteexplorer.info/ |
| 12 | 62 | 0.08 | 2 | 0.04 | http://www.lipperhey.com/ |
| 13 | 62 | 0.08 | 38 | 0.80 | ) - BrowseX (2.0.0 Windows |
| 14 | 60 | 0.08 | 24 | 0.50 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 60 | 0.08 | 0 | 0.00 | Windows XP |
| 16 | 52 | 0.07 | 32 | 0.67 | Windows 2000 |
| 17 | 52 | 0.07 | 27 | 0.57 | Windows ME |
| 18 | 52 | 0.07 | 30 | 0.63 | MSIE 5.5; Windows NT 5.0 |
| 19 | 51 | 0.07 | 33 | 0.69 | Windows CE |
| 20 | 50 | 0.07 | 24 | 0.50 | Windows 3.1 |
| 21 | 48 | 0.06 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 22 | 43 | 0.06 | 25 | 0.52 | Auto; Windows |
| 23 | 34 | 0.05 | 23 | 0.48 | MSIE 5.5; Windows NT 4.0 |
| 24 | 22 | 0.03 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 25 | 12 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 5 | 0.01 | 5 | 0.10 | Linux i686 [unknown version] |
| 27 | 4 | 0.01 | 2 | 0.04 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 28 | 2 | 0.00 | 2 | 0.04 | Linux [unknown version] |
| 29 | 2 | 0.00 | 2 | 0.04 | Macintosh |
