| Used Operating Systems |
| 1 | 11383 | 33.52 | 121 | 2.34 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5865 | 17.27 | 135 | 2.61 | +http://yandex.com/bots |
| 3 | 4450 | 13.10 | 668 | 12.90 | +http://www.google.com/bot.html |
| 4 | 3394 | 9.99 | 1560 | 30.13 | Windows NT |
| 5 | 2690 | 7.92 | 1797 | 34.70 | +http://www.baidu.com/search/spider.html |
| 6 | 1890 | 5.57 | 286 | 5.52 | +http://ahrefs.com/robot/ |
| 7 | 1227 | 3.61 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 8 | 750 | 2.21 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 9 | 668 | 1.97 | 224 | 4.33 | +http://www.bing.com/bingbot.htm |
| 10 | 407 | 1.20 | 98 | 1.89 | +http://www.linkdex.com/bots/ |
| 11 | 245 | 0.72 | 45 | 0.87 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 214 | 0.63 | 70 | 1.35 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 147 | 0.43 | 3 | 0.06 | Android |
| 14 | 120 | 0.35 | 39 | 0.75 | +http://www.xovibot.net/ |
| 15 | 117 | 0.34 | 35 | 0.68 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 104 | 0.31 | 2 | 0.04 | +http://advbot.net/bot.html |
| 17 | 61 | 0.18 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 18 | 37 | 0.11 | 5 | 0.10 | +http://fulltext.sblog.cz/ |
| 19 | 32 | 0.09 | 16 | 0.31 | +http://duckduckgo.com |
| 20 | 27 | 0.08 | 8 | 0.15 | +http://www.exabot.com/go/robot |
| 21 | 26 | 0.08 | 12 | 0.23 | Windows 95 |
| 22 | 20 | 0.06 | 5 | 0.10 | +http://www.profound.net/domainappender |
| 23 | 10 | 0.03 | 3 | 0.06 | Windows 2000 |
| 24 | 9 | 0.03 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 25 | 8 | 0.02 | 6 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 26 | 6 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 27 | 5 | 0.01 | 3 | 0.06 | X11 |
| 28 | 5 | 0.01 | 5 | 0.10 | +http://domainsigma.com/robot |
| 29 | 4 | 0.01 | 3 | 0.06 | Windows CE |
| 30 | 4 | 0.01 | 2 | 0.04 | Android 2.3.5 |
| 31 | 4 | 0.01 | 2 | 0.04 | Macintosh |
| 32 | 4 | 0.01 | 4 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 33 | 4 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 4 | 0.01 | 1 | 0.02 | +http://get4dl.net |
| 35 | 3 | 0.01 | 3 | 0.06 | Windows ME |
| 36 | 3 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 37 | 2 | 0.01 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 2 | 0.04 | Windows 3.1 |
| 40 | 2 | 0.01 | 1 | 0.02 | +http://www.domainoptima.com/robot |
| 41 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 42 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 43 | 1 | 0.00 | 0 | 0.00 | Windows |
| 44 | 1 | 0.00 | 1 | 0.02 | Macintosh PPC |
| 45 | 1 | 0.00 | 0 | 0.00 | Windows 98 |
