| Used Operating Systems |
| 1 | 20914 | 25.57 | 196 | 0.64 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 19314 | 23.61 | 15028 | 49.29 | +http://www.baidu.com/search/spider.html |
| 3 | 11764 | 14.38 | 10061 | 33.00 | +http://ahrefs.com/robot/ |
| 4 | 6954 | 8.50 | 3 | 0.01 | +http://webmeup-crawler.com/ |
| 5 | 6646 | 8.13 | 1017 | 3.34 | +http://www.bing.com/bingbot.htm |
| 6 | 3378 | 4.13 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 7 | 3014 | 3.69 | 1595 | 5.23 | +http://www.google.com/bot.html |
| 8 | 3002 | 3.67 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 2099 | 2.57 | 612 | 2.01 | Windows NT |
| 10 | 1795 | 2.19 | 539 | 1.77 | +http://www.linkdex.com/bots/ |
| 11 | 1337 | 1.63 | 677 | 2.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 793 | 0.97 | 320 | 1.05 | +http://yandex.com/bots |
| 13 | 238 | 0.29 | 218 | 0.72 | +http://www.xovibot.net/ |
| 14 | 126 | 0.15 | 22 | 0.07 | +http://www.profound.net/domainappender |
| 15 | 123 | 0.15 | 46 | 0.15 | +http://www.exabot.com/go/robot |
| 16 | 43 | 0.05 | 21 | 0.07 | +http://www.proximic.com/info/spider.php |
| 17 | 37 | 0.05 | 30 | 0.10 | +http://www.uptime.com/uptimebot |
| 18 | 30 | 0.04 | 14 | 0.05 | Windows 98 |
| 19 | 28 | 0.03 | 14 | 0.05 | +http://fulltext.sblog.cz/ |
| 20 | 25 | 0.03 | 7 | 0.02 | Windows 95 |
| 21 | 21 | 0.03 | 11 | 0.04 | +https://deusu.de/robot.html |
| 22 | 21 | 0.03 | 12 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 23 | 16 | 0.02 | 8 | 0.03 | +http://help.coccoc.com/ |
| 24 | 12 | 0.01 | 6 | 0.02 | +http://www.bigbozz.com/ |
| 25 | 10 | 0.01 | 1 | 0.00 | +http://www.semrush.com/bot.html |
| 26 | 9 | 0.01 | 3 | 0.01 | Windows XP |
| 27 | 8 | 0.01 | 4 | 0.01 | +http://duckduckgo.com |
| 28 | 4 | 0.00 | 2 | 0.01 | +https://www.mojeek.com/bot.html |
| 29 | 3 | 0.00 | 1 | 0.00 | Windows CE |
| 30 | 3 | 0.00 | 3 | 0.01 | +http://glutenfreepleasure.com/ |
| 31 | 3 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.6 |
| 32 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 2 | 0.00 | 0 | 0.00 | +http://www.parsijoo.ir/; crawler@parsij... |
| 34 | 2 | 0.00 | 1 | 0.00 | +http://crawler.seolytics.net/ |
| 35 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 36 | 2 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 37 | 2 | 0.00 | 1 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 1 | 0.00 | 1 | 0.00 | Windows 2000 |
| 39 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 1 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 41 | 1 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
| 42 | 1 | 0.00 | 1 | 0.00 | Linux [unknown version] |
| 43 | 1 | 0.00 | 1 | 0.00 | X11; Linux i686; en |
| 44 | 1 | 0.00 | 1 | 0.00 | +http://thewebminer.com |
| 45 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 46 | 1 | 0.00 | 0 | 0.00 | X11 |
