| Used Operating Systems by Visits |
| 1 | 3474 | 14.94 | 2753 | 71.38 | +http://www.baidu.com/search/spider.html |
| 2 | 1195 | 5.14 | 390 | 10.11 | Windows NT |
| 3 | 17412 | 74.90 | 236 | 6.12 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 427 | 1.84 | 184 | 4.77 | +http://www.google.com/bot.html |
| 5 | 466 | 2.00 | 123 | 3.19 | +http://yandex.com/bots |
| 6 | 50 | 0.22 | 47 | 1.22 | +http://www.xovibot.net/ |
| 7 | 31 | 0.13 | 26 | 0.67 | Windows 95 |
| 8 | 24 | 0.10 | 12 | 0.31 | +http://www.linkdex.com/bots/ |
| 9 | 18 | 0.08 | 9 | 0.23 | +http://www.meanpath.com/meanpathbot.htm... |
| 10 | 11 | 0.05 | 6 | 0.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 6 | 0.03 | 6 | 0.16 | Windows 3.1 |
| 12 | 6 | 0.03 | 6 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 13 | 5 | 0.02 | 5 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 14 | 15 | 0.06 | 5 | 0.13 | Windows 98 |
| 15 | 10 | 0.04 | 5 | 0.13 | +http://www.bing.com/bingbot.htm |
| 16 | 12 | 0.05 | 5 | 0.13 | +http://duckduckgo.com |
| 17 | 4 | 0.02 | 4 | 0.10 | Auto; Windows |
| 18 | 4 | 0.02 | 4 | 0.10 | Windows ME |
| 19 | 4 | 0.02 | 4 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 20 | 8 | 0.03 | 4 | 0.10 | +http://www.exabot.com/go/robot |
| 21 | 2 | 0.01 | 2 | 0.05 | Windows CE |
| 22 | 2 | 0.01 | 2 | 0.05 | Windows 2000 |
| 23 | 4 | 0.02 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 2 | 0.01 | 2 | 0.05 | +https://www.wslta.com/WoTBoT.html |
| 25 | 4 | 0.02 | 2 | 0.05 | +https://www.mojeek.com/bot.html |
| 26 | 2 | 0.01 | 2 | 0.05 | +http://www.privacyaware.org |
| 27 | 4 | 0.02 | 2 | 0.05 | http://www.botje.com/plukkie.htm |
| 28 | 2 | 0.01 | 2 | 0.05 | Linux i686 [unknown version] |
| 29 | 4 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 30 | 6 | 0.03 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 31 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 32 | 1 | 0.00 | 1 | 0.03 | +http://www.uptime.com/uptimebot |
| 33 | 3 | 0.01 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 34 | 15 | 0.06 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 35 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.01 | 0 | 0.00 | X11 |
| 37 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 6 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
