| Used Operating Systems |
| 1 | 3657 | 27.22 | 2517 | 63.56 | +http://www.baidu.com/search/spider.html |
| 2 | 3029 | 22.55 | 51 | 1.29 | http://mj12bot.com/ |
| 3 | 2585 | 19.24 | 32 | 0.81 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1553 | 11.56 | 732 | 18.48 | +http://www.google.com/bot.html |
| 5 | 538 | 4.01 | 147 | 3.71 | +http://www.linkdex.com/bots/ |
| 6 | 475 | 3.54 | 104 | 2.63 | +http://yandex.com/bots |
| 7 | 458 | 3.41 | 191 | 4.82 | Windows NT |
| 8 | 318 | 2.37 | 118 | 2.98 | +http://www.bing.com/bingbot.htm |
| 9 | 247 | 1.84 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 142 | 1.06 | 3 | 0.08 | +http://ahrefs.com/robot/ |
| 11 | 103 | 0.77 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 12 | 100 | 0.74 | 7 | 0.18 | +http://help.naver.com/support/robots.ht... |
| 13 | 55 | 0.41 | 3 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 27 | 0.20 | 1 | 0.03 | http://www.wise-guys.nl/ |
| 15 | 24 | 0.18 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 18 | 0.13 | 2 | 0.05 | +http://www.seokicks.de/robot.html |
| 17 | 13 | 0.10 | 5 | 0.13 | +http://www.exabot.com/go/robot |
| 18 | 12 | 0.09 | 3 | 0.08 | +http://webmeup-crawler.com/ |
| 19 | 10 | 0.07 | 5 | 0.13 | +http://www.uptime.com/uptimebot |
| 20 | 9 | 0.07 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 21 | 8 | 0.06 | 2 | 0.05 | +https://www.mojeek.com/bot.html |
| 22 | 8 | 0.06 | 4 | 0.10 | +http://siteexplorer.info/ |
| 23 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 4 | 0.03 | 2 | 0.05 | +http://www.linkpad.ru |
| 25 | 4 | 0.03 | 3 | 0.08 | +info@netcraft.com |
| 26 | 4 | 0.03 | 1 | 0.03 | +https://www.dataprovider.com/ |
| 27 | 3 | 0.02 | 3 | 0.08 | Windows 95 |
| 28 | 3 | 0.02 | 3 | 0.08 | +http://megaindex.com/crawler |
| 29 | 3 | 0.02 | 3 | 0.08 | WinHttp.WinHttpRequest.5 |
| 30 | 2 | 0.01 | 2 | 0.05 | crawler@mixrank.com |
| 31 | 2 | 0.01 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 32 | 2 | 0.01 | 1 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 33 | 2 | 0.01 | 2 | 0.05 | Windows ME |
| 34 | 2 | 0.01 | 2 | 0.05 | Windows 3.1 |
| 35 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 36 | 2 | 0.01 | 1 | 0.03 | +http://duckduckgo.com |
| 37 | 1 | 0.01 | 1 | 0.03 | Windows 2000 |
| 38 | 1 | 0.01 | 1 | 0.03 | +http://glutenfreepleasure.com/ |
| 39 | 1 | 0.01 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 40 | 1 | 0.01 | 1 | 0.03 | X11 |
| 41 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
