| Used Operating Systems |
| 1 | 23238 | 55.65 | 915 | 14.37 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 9011 | 21.58 | 134 | 2.10 | http://mj12bot.com/ |
| 3 | 2541 | 6.09 | 1626 | 25.53 | Windows NT |
| 4 | 1514 | 3.63 | 756 | 11.87 | +http://www.google.com/bot.html |
| 5 | 674 | 1.61 | 191 | 3.00 | +http://www.linkdex.com/bots/ |
| 6 | 662 | 1.59 | 143 | 2.25 | +http://yandex.com/bots |
| 7 | 583 | 1.40 | 84 | 1.32 | +http://www.semrush.com/bot.html |
| 8 | 455 | 1.09 | 262 | 4.11 | +http://www.bing.com/bingbot.htm |
| 9 | 320 | 0.77 | 5 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 10 | 223 | 0.53 | 219 | 3.44 | Windows 9 |
| 11 | 217 | 0.52 | 211 | 3.31 | Windows 2006 |
| 12 | 214 | 0.51 | 187 | 2.94 | +http://www.baidu.com/search/spider.html |
| 13 | 211 | 0.51 | 158 | 2.48 | +http://ahrefs.com/robot/ |
| 14 | 197 | 0.47 | 188 | 2.95 | Windows 2004 |
| 15 | 197 | 0.47 | 192 | 3.02 | Windows 2002 |
| 16 | 196 | 0.47 | 191 | 3.00 | Windows 2008 |
| 17 | 195 | 0.47 | 193 | 3.03 | Windows 2005 |
| 18 | 186 | 0.45 | 179 | 2.81 | Windows 2003 |
| 19 | 182 | 0.44 | 177 | 2.78 | Windows 2007 |
| 20 | 112 | 0.27 | 79 | 1.24 | Windows 95 |
| 21 | 110 | 0.26 | 55 | 0.86 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 94 | 0.23 | 40 | 0.63 | Windows XP |
| 23 | 71 | 0.17 | 44 | 0.69 | Windows 98 |
| 24 | 63 | 0.15 | 1 | 0.02 | +http://megaindex.com/crawler |
| 25 | 27 | 0.06 | 3 | 0.05 | +http://www.seokicks.de/robot.html |
| 26 | 22 | 0.05 | 18 | 0.28 | Windows CE |
| 27 | 22 | 0.05 | 2 | 0.03 | Android 4.2.2 |
| 28 | 22 | 0.05 | 16 | 0.25 | MSIE 5.5; Windows NT 5.0 |
| 29 | 21 | 0.05 | 6 | 0.09 | +http://www.findxbot.com |
| 30 | 21 | 0.05 | 15 | 0.24 | MSIE 5.5; Windows NT 4.0 |
| 31 | 18 | 0.04 | 9 | 0.14 | +http://duckduckgo.com |
| 32 | 17 | 0.04 | 13 | 0.20 | Auto; Windows |
| 33 | 17 | 0.04 | 10 | 0.16 | Windows 3.1 |
| 34 | 16 | 0.04 | 9 | 0.14 | Windows 2000 |
| 35 | 15 | 0.04 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 36 | 13 | 0.03 | 9 | 0.14 | Windows ME |
| 37 | 9 | 0.02 | 7 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 38 | 8 | 0.02 | 4 | 0.06 | +http://cliqz.com/company/cliqzbot |
| 39 | 8 | 0.02 | 4 | 0.06 | +http://www.exabot.com/go/robot |
| 40 | 7 | 0.02 | 1 | 0.02 | Android |
| 41 | 6 | 0.01 | 3 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 42 | 6 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 43 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 44 | 2 | 0.00 | 1 | 0.02 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 45 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 1 | 0.00 | 1 | 0.02 | https://nmap.org/book/nse.html |
| 47 | 1 | 0.00 | 1 | 0.02 | http://misc.yahoo.com.cn/help.html |
| 48 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 49 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 50 | 1 | 0.00 | 1 | 0.02 | +http://sur.ly/bot.html |
| 51 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
