| Used Operating Systems |
| 1 | 18141 | 33.10 | 10356 | 67.36 | +http://ahrefs.com/robot/ |
| 2 | 14925 | 27.23 | 305 | 1.98 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 10596 | 19.33 | 646 | 4.20 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 2730 | 4.98 | 2191 | 14.25 | +http://www.baidu.com/search/spider.html |
| 5 | 1658 | 3.03 | 385 | 2.50 | +http://www.bing.com/bingbot.htm |
| 6 | 1226 | 2.24 | 293 | 1.91 | +http://yandex.com/bots |
| 7 | 1219 | 2.22 | 451 | 2.93 | +http://www.google.com/bot.html |
| 8 | 1132 | 2.07 | 214 | 1.39 | Windows NT |
| 9 | 905 | 1.65 | 126 | 0.82 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 426 | 0.78 | 87 | 0.57 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 414 | 0.76 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 12 | 319 | 0.58 | 109 | 0.71 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 199 | 0.36 | 34 | 0.22 | +http://www.semrush.com/bot.html |
| 14 | 178 | 0.32 | 37 | 0.24 | +http://www.linkdex.com/bots/ |
| 15 | 134 | 0.24 | 1 | 0.01 | +http://megaindex.com/crawler |
| 16 | 102 | 0.19 | 1 | 0.01 | Linux i686 [unknown version] |
| 17 | 80 | 0.15 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 18 | 68 | 0.12 | 23 | 0.15 | Windows XP |
| 19 | 60 | 0.11 | 3 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 20 | 42 | 0.08 | 16 | 0.10 | Windows 95 |
| 21 | 35 | 0.06 | 10 | 0.07 | +https://deusu.de/robot.html |
| 22 | 35 | 0.06 | 10 | 0.07 | Windows 98 |
| 23 | 32 | 0.06 | 14 | 0.09 | +http://help.naver.com/support/robots.ht... |
| 24 | 27 | 0.05 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 25 | 21 | 0.04 | 10 | 0.07 | +http://www.exabot.com/go/robot |
| 26 | 10 | 0.02 | 3 | 0.02 | WinHttp.WinHttpRequest.5 |
| 27 | 9 | 0.02 | 6 | 0.04 | +http://glutenfreepleasure.com/ |
| 28 | 9 | 0.02 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 29 | 9 | 0.02 | 2 | 0.01 | +http://siteexplorer.info/ |
| 30 | 8 | 0.01 | 4 | 0.03 | Windows 3.1 |
| 31 | 8 | 0.01 | 4 | 0.03 | +http://duckduckgo.com |
| 32 | 6 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 33 | 6 | 0.01 | 2 | 0.01 | +http://www.profound.net/domainappender |
| 34 | 6 | 0.01 | 4 | 0.03 | +http://help.naver.com/robots/ |
| 35 | 5 | 0.01 | 3 | 0.02 | Windows ME |
| 36 | 5 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 37 | 4 | 0.01 | 2 | 0.01 | +http://www.uptime.com/uptimebot |
| 38 | 3 | 0.01 | 1 | 0.01 | Windows CE |
| 39 | 3 | 0.01 | 1 | 0.01 | Windows 2000 |
| 40 | 2 | 0.00 | 1 | 0.01 | support.orangebot@orange.com |
| 41 | 2 | 0.00 | 2 | 0.01 | Win32 |
| 42 | 2 | 0.00 | 2 | 0.01 | Firefox/4.5 |
| 43 | 2 | 0.00 | 1 | 0.01 | +spider@seoscanners.net |
| 44 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
