| Used Operating Systems |
| 1 | 2903 | 40.52 | 2424 | 65.09 | +http://www.baidu.com/search/spider.html |
| 2 | 1630 | 22.75 | 520 | 13.96 | Windows NT |
| 3 | 727 | 10.15 | 197 | 5.29 | +http://yandex.com/bots |
| 4 | 422 | 5.89 | 119 | 3.20 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 404 | 5.64 | 87 | 2.34 | +http://www.google.com/bot.html |
| 6 | 367 | 5.12 | 165 | 4.43 | +http://www.bing.com/bingbot.htm |
| 7 | 305 | 4.26 | 111 | 2.98 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 174 | 2.43 | 29 | 0.78 | Windows 98 |
| 9 | 60 | 0.84 | 4 | 0.11 | +https://www.aihitdata.com/about |
| 10 | 31 | 0.43 | 22 | 0.59 | +http://ahrefs.com/robot/ |
| 11 | 29 | 0.40 | 4 | 0.11 | FreeBSD [unknown version] |
| 12 | 26 | 0.36 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 13 | 18 | 0.25 | 9 | 0.24 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 10 | 0.14 | 5 | 0.13 | http://www.botje.com/plukkie.htm |
| 15 | 8 | 0.11 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 16 | 7 | 0.10 | 3 | 0.08 | Windows 95 |
| 17 | 7 | 0.10 | 1 | 0.03 | +; |
| 18 | 6 | 0.08 | 4 | 0.11 | +info@netcraft.com |
| 19 | 6 | 0.08 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 20 | 4 | 0.06 | 1 | 0.03 | +http://gimmeusa.com/crawler.html |
| 21 | 4 | 0.06 | 4 | 0.11 | +http://www.grapeshot.co.uk/crawler.php |
| 22 | 2 | 0.03 | 2 | 0.05 | Auto; Windows |
| 23 | 2 | 0.03 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 24 | 2 | 0.03 | 2 | 0.05 | +http://gimmeusa.com/crawler |
| 25 | 2 | 0.03 | 1 | 0.03 | Android 2.3.5 |
| 26 | 2 | 0.03 | 2 | 0.05 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 27 | 2 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 28 | 2 | 0.03 | 1 | 0.03 | +http://duckduckgo.com |
| 29 | 2 | 0.03 | 1 | 0.03 | X11 |
