| Used Operating Systems |
| 1 | 25516 | 46.14 | 188 | 0.98 | http://mj12bot.com/ |
| 2 | 16301 | 29.48 | 13766 | 71.99 | +http://ahrefs.com/robot/ |
| 3 | 4015 | 7.26 | 438 | 2.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 3370 | 6.09 | 2783 | 14.55 | +http://www.baidu.com/search/spider.html |
| 5 | 2463 | 4.45 | 466 | 2.44 | +http://www.linkdex.com/bots/ |
| 6 | 1816 | 3.28 | 858 | 4.49 | Windows NT |
| 7 | 492 | 0.89 | 102 | 0.53 | +http://yandex.com/bots |
| 8 | 379 | 0.69 | 186 | 0.97 | +http://www.bing.com/bingbot.htm |
| 9 | 372 | 0.67 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 350 | 0.63 | 167 | 0.87 | +http://www.google.com/bot.html |
| 11 | 41 | 0.07 | 41 | 0.21 | Windows 95 |
| 12 | 27 | 0.05 | 20 | 0.10 | Windows 98 |
| 13 | 21 | 0.04 | 20 | 0.10 | +http://www.uptime.com/uptimebot |
| 14 | 16 | 0.03 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 16 | 0.03 | 16 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 16 | 15 | 0.03 | 14 | 0.07 | Windows ME |
| 17 | 13 | 0.02 | 2 | 0.01 | +http://sur.ly/bot.html |
| 18 | 9 | 0.02 | 9 | 0.05 | Auto; Windows |
| 19 | 8 | 0.01 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 20 | 8 | 0.01 | 8 | 0.04 | Windows 2000 |
| 21 | 8 | 0.01 | 8 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 22 | 7 | 0.01 | 4 | 0.02 | Windows XP |
| 23 | 7 | 0.01 | 7 | 0.04 | Windows 3.1 |
| 24 | 6 | 0.01 | 6 | 0.03 | Windows CE |
| 25 | 6 | 0.01 | 6 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 26 | 4 | 0.01 | 2 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 27 | 3 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
| 28 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 29 | 2 | 0.00 | 1 | 0.01 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 30 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 31 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 1 | 0.00 | 1 | 0.01 | +http://www.id-search.xyz/bot.html |
| 33 | 1 | 0.00 | 0 | 0.00 | X11 |
