| Used Operating Systems |
| 1 | 11204 | 38.03 | 121 | 1.87 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5798 | 19.68 | 3712 | 57.43 | +http://www.baidu.com/search/spider.html |
| 3 | 4007 | 13.60 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 4 | 3825 | 12.98 | 1286 | 19.89 | Windows NT |
| 5 | 1801 | 6.11 | 205 | 3.17 | +http://yandex.com/bots |
| 6 | 1449 | 4.92 | 554 | 8.57 | +http://www.google.com/bot.html |
| 7 | 655 | 2.22 | 287 | 4.44 | +http://www.bing.com/bingbot.htm |
| 8 | 205 | 0.70 | 76 | 1.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 101 | 0.34 | 37 | 0.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 96 | 0.33 | 12 | 0.19 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 52 | 0.18 | 50 | 0.77 | Windows 95 |
| 12 | 40 | 0.14 | 23 | 0.36 | Windows 98 |
| 13 | 39 | 0.13 | 8 | 0.12 | +http://www.linkdex.com/bots/ |
| 14 | 31 | 0.11 | 1 | 0.02 | +http://ahrefs.com/robot/ |
| 15 | 18 | 0.06 | 14 | 0.22 | Windows CE |
| 16 | 18 | 0.06 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 17 | 15 | 0.05 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 18 | 13 | 0.04 | 12 | 0.19 | Windows ME |
| 19 | 10 | 0.03 | 10 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 20 | 9 | 0.03 | 8 | 0.12 | Auto; Windows |
| 21 | 8 | 0.03 | 8 | 0.12 | Windows 2000 |
| 22 | 8 | 0.03 | 8 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 23 | 8 | 0.03 | 4 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 7 | 0.02 | 6 | 0.09 | Windows 3.1 |
| 25 | 6 | 0.02 | 1 | 0.02 | Windows XP |
| 26 | 6 | 0.02 | 6 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 27 | 6 | 0.02 | 0 | 0.00 | X11 |
| 28 | 4 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 29 | 4 | 0.01 | 3 | 0.05 | +info@netcraft.com |
| 30 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 31 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 32 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 33 | 2 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 34 | 2 | 0.01 | 0 | 0.00 | +http://www.findxbot.com |
| 35 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 36 | 1 | 0.00 | 1 | 0.02 | +http://www.privacyaware.org |
| 37 | 1 | 0.00 | 1 | 0.02 | +https://www.wslta.com/WoTBoT.html |
| 38 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 1 | 0.00 | 1 | 0.02 | +http://www.uptime.com/uptimebot |
