| Used Operating Systems |
| 1 | 5962 | 34.23 | 91 | 1.87 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3880 | 22.28 | 1740 | 35.71 | +http://ahrefs.com/robot/ |
| 3 | 2131 | 12.24 | 1826 | 37.47 | +http://www.baidu.com/search/spider.html |
| 4 | 1518 | 8.72 | 255 | 5.23 | Windows NT |
| 5 | 1201 | 6.90 | 334 | 6.85 | +http://www.bing.com/bingbot.htm |
| 6 | 803 | 4.61 | 267 | 5.48 | +http://www.google.com/bot.html |
| 7 | 465 | 2.67 | 21 | 0.43 | +http://www.findxbot.com |
| 8 | 340 | 1.95 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 9 | 280 | 1.61 | 51 | 1.05 | +http://yandex.com/bots |
| 10 | 153 | 0.88 | 3 | 0.06 | +http://webmeup-crawler.com/ |
| 11 | 117 | 0.67 | 44 | 0.90 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 111 | 0.64 | 19 | 0.39 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 110 | 0.63 | 66 | 1.35 | +http://www.linkdex.com/bots/ |
| 14 | 108 | 0.62 | 103 | 2.11 | +http://www.xovibot.net/ |
| 15 | 37 | 0.21 | 10 | 0.21 | +http://www.exabot.com/go/robot |
| 16 | 29 | 0.17 | 4 | 0.08 | +http://www.semrush.com/bot.html |
| 17 | 28 | 0.16 | 5 | 0.10 | Windows 95 |
| 18 | 27 | 0.16 | 0 | 0.00 | Windows 98 |
| 19 | 22 | 0.13 | 4 | 0.08 | http://www.botje.com/plukkie.htm |
| 20 | 12 | 0.07 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 21 | 10 | 0.06 | 5 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 9 | 0.05 | 1 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 8 | 0.05 | 4 | 0.08 | Windows XP |
| 24 | 8 | 0.05 | 0 | 0.00 | Windows ME |
| 25 | 7 | 0.04 | 4 | 0.08 | http://nmap.org/book/nse.html |
| 26 | 6 | 0.03 | 0 | 0.00 | Auto; Windows |
| 27 | 5 | 0.03 | 4 | 0.08 | +info@netcraft.com |
| 28 | 4 | 0.02 | 0 | 0.00 | Windows 2000 |
| 29 | 4 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 30 | 3 | 0.02 | 3 | 0.06 | Linux i686 [unknown version] |
| 31 | 3 | 0.02 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 32 | 3 | 0.02 | 2 | 0.04 | X11 |
| 33 | 2 | 0.01 | 0 | 0.00 | Windows CE |
| 34 | 2 | 0.01 | 2 | 0.04 | +http://www.uptime.com/uptimebot |
| 35 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 36 | 2 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 37 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
