| Used Operating Systems |
| 1 | 7063 | 62.43 | 3120 | 52.99 | Windows NT |
| 2 | 1931 | 17.07 | 1743 | 29.60 | +http://www.baidu.com/search/spider.html |
| 3 | 524 | 4.63 | 283 | 4.81 | +http://www.bing.com/bingbot.htm |
| 4 | 483 | 4.27 | 299 | 5.08 | +http://www.google.com/bot.html |
| 5 | 474 | 4.19 | 49 | 0.83 | +http://yandex.com/bots |
| 6 | 139 | 1.23 | 69 | 1.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 7 | 129 | 1.14 | 88 | 1.49 | Windows 95 |
| 8 | 80 | 0.71 | 11 | 0.19 | Windows 98 |
| 9 | 52 | 0.46 | 17 | 0.29 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 32 | 0.28 | 16 | 0.27 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 30 | 0.27 | 16 | 0.27 | Windows 3.1 |
| 12 | 27 | 0.24 | 19 | 0.32 | Windows 2000 |
| 13 | 27 | 0.24 | 22 | 0.37 | MSIE 5.5; Windows NT 5.0 |
| 14 | 25 | 0.22 | 19 | 0.32 | MSIE 5.5; Windows NT 4.0 |
| 15 | 23 | 0.20 | 1 | 0.02 | Windows XP |
| 16 | 21 | 0.19 | 6 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 17 | 21 | 0.19 | 8 | 0.14 | X11 |
| 18 | 19 | 0.17 | 14 | 0.24 | Auto; Windows |
| 19 | 19 | 0.17 | 6 | 0.10 | +http://ahrefs.com/robot/ |
| 20 | 17 | 0.15 | 13 | 0.22 | Windows CE |
| 21 | 17 | 0.15 | 4 | 0.07 | +http://getdownload.ws |
| 22 | 17 | 0.15 | 4 | 0.07 | +http://a14download.com |
| 23 | 14 | 0.12 | 9 | 0.15 | Windows ME |
| 24 | 14 | 0.12 | 13 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 25 | 11 | 0.10 | 3 | 0.05 | +http://uni5download.com |
| 26 | 10 | 0.09 | 3 | 0.05 | +http://onlythegames.com |
| 27 | 9 | 0.08 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 28 | 9 | 0.08 | 1 | 0.02 | Android 2.3.5 |
| 29 | 9 | 0.08 | 3 | 0.05 | +http://endb-consolidated.aihit.com/ |
| 30 | 9 | 0.08 | 3 | 0.05 | +http://dl2engine.net |
| 31 | 7 | 0.06 | 5 | 0.08 | +http://wmaid.com/explore/ |
| 32 | 6 | 0.05 | 3 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 33 | 6 | 0.05 | 4 | 0.07 | +info@netcraft.com |
| 34 | 6 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 35 | 5 | 0.04 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 36 | 4 | 0.04 | 1 | 0.02 | +http://plus5files.net |
| 37 | 4 | 0.04 | 4 | 0.07 | Linux i686 [unknown version] |
| 38 | 4 | 0.04 | 2 | 0.03 | +http://www.semrush.com/bot.html |
| 39 | 4 | 0.04 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 4 | 0.04 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 3 | 0.03 | 1 | 0.02 | +http://downloadengine.info |
| 42 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 43 | 2 | 0.02 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 44 | 2 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
