| Used Operating Systems |
| 1 | 15925 | 28.32 | 128 | 1.20 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 15070 | 26.80 | 1040 | 9.79 | +http://www.google.com/bot.html |
| 3 | 7390 | 13.14 | 1 | 0.01 | +http://megaindex.com/crawler |
| 4 | 7092 | 12.61 | 4552 | 42.84 | +http://ahrefs.com/robot/ |
| 5 | 4025 | 7.16 | 2464 | 23.19 | Windows NT |
| 6 | 1795 | 3.19 | 1725 | 16.24 | +http://www.baidu.com/search/spider.html |
| 7 | 1667 | 2.96 | 172 | 1.62 | +http://www.bing.com/bingbot.htm |
| 8 | 1291 | 2.30 | 106 | 1.00 | +http://yandex.com/bots |
| 9 | 513 | 0.91 | 5 | 0.05 | +http://www.warebay.com/bot.html |
| 10 | 455 | 0.81 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 11 | 226 | 0.40 | 141 | 1.33 | Linux i686 [unknown version] |
| 12 | 212 | 0.38 | 34 | 0.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 207 | 0.37 | 135 | 1.27 | Linux [unknown version] |
| 14 | 172 | 0.31 | 49 | 0.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 38 | 0.07 | 6 | 0.06 | +http://www.semrush.com/bot.html |
| 16 | 20 | 0.04 | 5 | 0.05 | http://www.botje.com/plukkie.htm |
| 17 | 18 | 0.03 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 18 | 16 | 0.03 | 16 | 0.15 | +http://www.xovibot.net/ |
| 19 | 15 | 0.03 | 6 | 0.06 | Windows 98 |
| 20 | 14 | 0.02 | 7 | 0.07 | +http://help.coccoc.com/ |
| 21 | 8 | 0.01 | 7 | 0.07 | Windows 95 |
| 22 | 8 | 0.01 | 2 | 0.02 | +http://www.exabot.com/go/robot |
| 23 | 8 | 0.01 | 4 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 6 | 0.01 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 25 | 3 | 0.01 | 3 | 0.03 | Auto; Windows |
| 26 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 27 | 2 | 0.00 | 2 | 0.02 | Windows 2000 |
| 28 | 2 | 0.00 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 29 | 2 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 30 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 2 | 0.00 | 2 | 0.02 | Windows 3.1 |
| 32 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 33 | 2 | 0.00 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 34 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 35 | 1 | 0.00 | 0 | 0.00 | Windows 93 |
| 36 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 37 | 1 | 0.00 | 1 | 0.01 | +https://www.wslta.com/WoTBoT.html |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 39 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 40 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 1 | 0.01 | X11 |
| 42 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 43 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
| 45 | 1 | 0.00 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
