| Used Operating Systems |
| 1 | 2310 | 23.12 | 367 | 9.07 | +http://www.bing.com/bingbot.htm |
| 2 | 2201 | 22.03 | 975 | 24.09 | Windows NT |
| 3 | 2118 | 21.20 | 1924 | 47.53 | +http://www.baidu.com/search/spider.html |
| 4 | 1009 | 10.10 | 46 | 1.14 | +http://yandex.com/bots |
| 5 | 633 | 6.34 | 315 | 7.78 | +http://www.google.com/bot.html |
| 6 | 464 | 4.64 | 75 | 1.85 | +http://www.semrush.com/bot.html |
| 7 | 219 | 2.19 | 84 | 2.08 | +http://ahrefs.com/robot/ |
| 8 | 210 | 2.10 | 28 | 0.69 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 152 | 1.52 | 96 | 2.37 | +http://www.easou.com/search/spider.html |
| 10 | 119 | 1.19 | 20 | 0.49 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 108 | 1.08 | 2 | 0.05 | +http://www.linkpad.ru |
| 12 | 79 | 0.79 | 5 | 0.12 | +http://gimme60.com |
| 13 | 66 | 0.66 | 34 | 0.84 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 64 | 0.64 | 2 | 0.05 | +http://www.aihitdata.com/about |
| 15 | 62 | 0.62 | 22 | 0.54 | +http://www.exabot.com/go/robot |
| 16 | 42 | 0.42 | 14 | 0.35 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 22 | 0.22 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 18 | 16 | 0.16 | 0 | 0.00 | Windows 98 |
| 19 | 15 | 0.15 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 20 | 12 | 0.12 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 21 | 11 | 0.11 | 11 | 0.27 | +http://www.domaintuno.com/robot |
| 22 | 8 | 0.08 | 2 | 0.05 | +http://alphaphitote.com |
| 23 | 8 | 0.08 | 2 | 0.05 | http://filterdb.iss.net/crawler/ |
| 24 | 6 | 0.06 | 2 | 0.05 | +http://downloadmine.biz |
| 25 | 6 | 0.06 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 26 | 4 | 0.04 | 4 | 0.10 | +http://fb02itsscan.fh-muenster.de |
| 27 | 4 | 0.04 | 2 | 0.05 | Wayback Machine Live Record; +http://arc... |
| 28 | 4 | 0.04 | 1 | 0.02 | +http://u2search.co |
| 29 | 4 | 0.04 | 2 | 0.05 | +info@netcraft.com |
| 30 | 4 | 0.04 | 1 | 0.02 | +http://r4downloads.co |
| 31 | 3 | 0.03 | 1 | 0.02 | +http://prox100download.com |
| 32 | 2 | 0.02 | 2 | 0.05 | Linux i686 [unknown version] |
| 33 | 2 | 0.02 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 34 | 2 | 0.02 | 2 | 0.05 | Intel Mac OS X 10.6 |
| 35 | 1 | 0.01 | 1 | 0.02 | +http://wmaid.com/en/explore/ |
