| Used Operating Systems |
| 1 | 27616 | 76.35 | 210 | 4.09 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2771 | 7.66 | 2236 | 43.55 | +http://www.baidu.com/search/spider.html |
| 3 | 2350 | 6.50 | 1671 | 32.55 | Windows NT |
| 4 | 1631 | 4.51 | 241 | 4.69 | +http://www.bing.com/bingbot.htm |
| 5 | 779 | 2.15 | 285 | 5.55 | +http://www.google.com/bot.html |
| 6 | 205 | 0.57 | 114 | 2.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 154 | 0.43 | 34 | 0.66 | +http://yandex.com/bots |
| 8 | 138 | 0.38 | 39 | 0.76 | +http://www.linkdex.com/bots/ |
| 9 | 132 | 0.36 | 83 | 1.62 | +http://ahrefs.com/robot/ |
| 10 | 66 | 0.18 | 25 | 0.49 | +http://www.exabot.com/go/robot |
| 11 | 31 | 0.09 | 16 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 31 | 0.09 | 31 | 0.60 | +http://warifort.moykrest.ru |
| 13 | 31 | 0.09 | 31 | 0.60 | +http://monasterytea.spbdyet.ru |
| 14 | 29 | 0.08 | 19 | 0.37 | Windows 95 |
| 15 | 29 | 0.08 | 13 | 0.25 | Windows 98 |
| 16 | 24 | 0.07 | 12 | 0.23 | +http://duckduckgo.com |
| 17 | 15 | 0.04 | 5 | 0.10 | http://www.searchmetrics.com/en/searchme... |
| 18 | 14 | 0.04 | 7 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 13 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 20 | 11 | 0.03 | 6 | 0.12 | Windows ME |
| 21 | 9 | 0.02 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 22 | 8 | 0.02 | 6 | 0.12 | Windows 2000 |
| 23 | 7 | 0.02 | 2 | 0.04 | Windows XP |
| 24 | 7 | 0.02 | 7 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 25 | 7 | 0.02 | 7 | 0.14 | +http://warifort.moykrest.ru/ |
| 26 | 7 | 0.02 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 27 | 7 | 0.02 | 7 | 0.14 | +http://domainsigma.com/robot |
| 28 | 6 | 0.02 | 2 | 0.04 | +http://www.xovibot.net/ |
| 29 | 6 | 0.02 | 3 | 0.06 | +http://fulltext.sblog.cz/ |
| 30 | 5 | 0.01 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 31 | 4 | 0.01 | 0 | 0.00 | Android |
| 32 | 4 | 0.01 | 2 | 0.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 33 | 4 | 0.01 | 4 | 0.08 | Windows 3.1 |
| 34 | 3 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 35 | 2 | 0.01 | 1 | 0.02 | crawler@mixrank.com |
| 36 | 2 | 0.01 | 2 | 0.04 | Windows CE |
| 37 | 2 | 0.01 | 1 | 0.02 | +http://www.seograph.net/bot.html |
| 38 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 39 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 40 | 2 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 41 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 42 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 43 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
