| Used Operating Systems |
| 1 | 45726 | 33.89 | 28618 | 77.37 | +http://ahrefs.com/robot/ |
| 2 | 42868 | 31.77 | 208 | 0.56 | http://mj12bot.com/ |
| 3 | 19189 | 14.22 | 606 | 1.64 | +http://yandex.com/bots |
| 4 | 6505 | 4.82 | 1 | 0.00 | +http://megaindex.com/crawler |
| 5 | 6234 | 4.62 | 1947 | 5.26 | +http://www.google.com/bot.html |
| 6 | 3854 | 2.86 | 1655 | 4.47 | Windows NT |
| 7 | 3006 | 2.23 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 8 | 2986 | 2.21 | 2728 | 7.38 | +http://www.baidu.com/search/spider.html |
| 9 | 1044 | 0.77 | 264 | 0.71 | +http://www.bing.com/bingbot.htm |
| 10 | 780 | 0.58 | 293 | 0.79 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 500 | 0.37 | 2 | 0.01 | Linux [unknown version] |
| 12 | 494 | 0.37 | 134 | 0.36 | +http://www.linkdex.com/bots/ |
| 13 | 398 | 0.29 | 6 | 0.02 | +http://siteexplorer.info/Backlink-Check... |
| 14 | 249 | 0.18 | 2 | 0.01 | Linux i586 [unknown version] |
| 15 | 180 | 0.13 | 136 | 0.37 | Windows 95 |
| 16 | 175 | 0.13 | 34 | 0.09 | +http://www.exabot.com/go/robot |
| 17 | 140 | 0.10 | 72 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 113 | 0.08 | 10 | 0.03 | http://www.botje.com/plukkie.htm |
| 19 | 103 | 0.08 | 43 | 0.12 | Windows 98 |
| 20 | 61 | 0.05 | 19 | 0.05 | Windows XP |
| 21 | 36 | 0.03 | 26 | 0.07 | Windows 3.1 |
| 22 | 33 | 0.02 | 28 | 0.08 | Windows 2000 |
| 23 | 33 | 0.02 | 20 | 0.05 | Windows ME |
| 24 | 30 | 0.02 | 27 | 0.07 | Auto; Windows |
| 25 | 27 | 0.02 | 21 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 26 | 25 | 0.02 | 21 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 27 | 25 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 28 | 25 | 0.02 | 21 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 29 | 19 | 0.01 | 16 | 0.04 | Windows CE |
| 30 | 16 | 0.01 | 8 | 0.02 | +http://help.coccoc.com/searchengine |
| 31 | 14 | 0.01 | 5 | 0.01 | +http://www.uptime.com/uptimebot |
| 32 | 8 | 0.01 | 2 | 0.01 | X11 |
| 33 | 7 | 0.01 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 34 | 5 | 0.00 | 5 | 0.01 | +http://www.xovibot.net/ |
| 35 | 4 | 0.00 | 3 | 0.01 | +info@netcraft.com |
| 36 | 4 | 0.00 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 37 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 1 | 0.00 | 0 | 0.00 | Android |
| 40 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 42 | 1 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
