| Used Operating Systems |
| 1 | 23675 | 40.77 | 621 | 8.45 | +http://yandex.com/bots |
| 2 | 9964 | 17.16 | 150 | 2.04 | http://mj12bot.com/ |
| 3 | 6034 | 10.39 | 440 | 5.98 | Windows NT |
| 4 | 5699 | 9.81 | 931 | 12.66 | +http://www.google.com/bot.html |
| 5 | 3122 | 5.38 | 2096 | 28.51 | +http://www.baidu.com/search/spider.html |
| 6 | 2997 | 5.16 | 426 | 5.79 | +http://ahrefs.com/robot/ |
| 7 | 1989 | 3.43 | 377 | 5.13 | +http://www.bing.com/bingbot.htm |
| 8 | 633 | 1.09 | 132 | 1.80 | +http://www.linkdex.com/bots/ |
| 9 | 601 | 1.04 | 2 | 0.03 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 304 | 0.52 | 269 | 3.66 | Windows 2004 |
| 11 | 304 | 0.52 | 272 | 3.70 | Windows 2005 |
| 12 | 286 | 0.49 | 254 | 3.45 | Windows 2006 |
| 13 | 286 | 0.49 | 4 | 0.05 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 274 | 0.47 | 238 | 3.24 | Windows 2002 |
| 15 | 272 | 0.47 | 247 | 3.36 | Windows 2008 |
| 16 | 265 | 0.46 | 229 | 3.11 | Windows 2003 |
| 17 | 264 | 0.45 | 238 | 3.24 | Windows 9 |
| 18 | 259 | 0.45 | 224 | 3.05 | Windows 2007 |
| 19 | 183 | 0.32 | 32 | 0.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 134 | 0.23 | 7 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 120 | 0.21 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 22 | 73 | 0.13 | 55 | 0.75 | +http://www.uptime.com/uptimebot |
| 23 | 50 | 0.09 | 13 | 0.18 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 24 | 49 | 0.08 | 20 | 0.27 | +http://www.exabot.com/go/robot |
| 25 | 28 | 0.05 | 12 | 0.16 | +http://duckduckgo.com |
| 26 | 27 | 0.05 | 9 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 27 | 26 | 0.04 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 28 | 24 | 0.04 | 2 | 0.03 | Windows XP |
| 29 | 21 | 0.04 | 8 | 0.11 | Windows 95 |
| 30 | 17 | 0.03 | 4 | 0.05 | Windows 98 |
| 31 | 16 | 0.03 | 2 | 0.03 | +http://www.seokicks.de/robot.html |
| 32 | 10 | 0.02 | 4 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 33 | 10 | 0.02 | 4 | 0.05 | +info@netcraft.com |
| 34 | 8 | 0.01 | 4 | 0.05 | +https://deusu.de/robot.html |
| 35 | 8 | 0.01 | 2 | 0.03 | +http://cliqz.com/company/cliqzbot |
| 36 | 7 | 0.01 | 7 | 0.10 | +http://glutenfreepleasure.com/ |
| 37 | 6 | 0.01 | 2 | 0.03 | Auto; Windows |
| 38 | 4 | 0.01 | 2 | 0.03 | PPC Mac OS X 10.4 |
| 39 | 4 | 0.01 | 3 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 40 | 2 | 0.00 | 2 | 0.03 | Linux [unknown version] |
| 41 | 2 | 0.00 | 1 | 0.01 | http://yooz.ir; info@yooz.ir |
| 42 | 2 | 0.00 | 2 | 0.03 | Windows 3.1 |
| 43 | 2 | 0.00 | 2 | 0.03 | FreeBSD [unknown version] |
| 44 | 2 | 0.00 | 0 | 0.00 | X11 |
| 45 | 1 | 0.00 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://www.linkpad.ru |
| 47 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 48 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
