| Used Operating Systems |
| 1 | 29307 | 32.95 | 612 | 6.94 | +http://www.semrush.com/bot.html |
| 2 | 16617 | 18.68 | 184 | 2.09 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 9832 | 11.05 | 3 | 0.03 | +http://megaindex.com/crawler |
| 4 | 9457 | 10.63 | 1774 | 20.11 | Windows NT |
| 5 | 5214 | 5.86 | 2778 | 31.50 | +http://ahrefs.com/robot/ |
| 6 | 5023 | 5.65 | 395 | 4.48 | +http://yandex.com/bots |
| 7 | 4071 | 4.58 | 27 | 0.31 | Windows XP |
| 8 | 2469 | 2.78 | 166 | 1.88 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 2433 | 2.74 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 10 | 1938 | 2.18 | 1821 | 20.65 | +http://www.baidu.com/search/spider.html |
| 11 | 790 | 0.89 | 264 | 2.99 | +http://www.bing.com/bingbot.htm |
| 12 | 498 | 0.56 | 241 | 2.73 | +http://www.google.com/bot.html |
| 13 | 477 | 0.54 | 218 | 2.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 272 | 0.31 | 139 | 1.58 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 146 | 0.16 | 36 | 0.41 | +http://www.linkdex.com/bots/ |
| 16 | 37 | 0.04 | 1 | 0.01 | +http://www.linkpad.ru |
| 17 | 32 | 0.04 | 26 | 0.29 | http://www.bing.com/bingbot.htm |
| 18 | 31 | 0.03 | 30 | 0.34 | +http://www.xovibot.net/ |
| 19 | 28 | 0.03 | 6 | 0.07 | Windows 2000 |
| 20 | 24 | 0.03 | 14 | 0.16 | http://yooz.ir; info@yooz.ir |
| 21 | 24 | 0.03 | 5 | 0.06 | Windows 98 |
| 22 | 22 | 0.02 | 1 | 0.01 | Linux 2.4.x |
| 23 | 22 | 0.02 | 5 | 0.06 | Windows 95 |
| 24 | 20 | 0.02 | 5 | 0.06 | Windows ME |
| 25 | 19 | 0.02 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 26 | 18 | 0.02 | 4 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 27 | 18 | 0.02 | 17 | 0.19 | +http://www.uptime.com/uptimebot |
| 28 | 15 | 0.02 | 13 | 0.15 | apps-spreadsheets; +http://docs.google.c... |
| 29 | 15 | 0.02 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 30 | 13 | 0.01 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 31 | 13 | 0.01 | 8 | 0.09 | X11 |
| 32 | 12 | 0.01 | 6 | 0.07 | +http://www.exabot.com/go/robot |
| 33 | 9 | 0.01 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 34 | 6 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 35 | 4 | 0.00 | 2 | 0.02 | Auto; Windows |
| 36 | 4 | 0.00 | 2 | 0.02 | Android 2.3.5 |
| 37 | 3 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 38 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 40 | 2 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 42 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 1 | 0.00 | 0 | 0.00 | Solaris 2.6.x |
| 44 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 45 | 1 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 46 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 47 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
