| Used Operating Systems by Visits |
| 1 | 9565 | 18.87 | 6548 | 49.68 | +http://ahrefs.com/robot/ |
| 2 | 4583 | 9.04 | 3587 | 27.22 | +http://www.baidu.com/search/spider.html |
| 3 | 9427 | 18.60 | 895 | 6.79 | Windows NT |
| 4 | 1203 | 2.37 | 629 | 4.77 | +http://www.google.com/bot.html |
| 5 | 21932 | 43.27 | 314 | 2.38 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 406 | 0.80 | 273 | 2.07 | +http://www.xovibot.net/ |
| 7 | 1020 | 2.01 | 245 | 1.86 | +http://www.bing.com/bingbot.htm |
| 8 | 403 | 0.80 | 139 | 1.05 | +http://www.linkdex.com/bots/ |
| 9 | 767 | 1.51 | 138 | 1.05 | +http://yandex.com/bots |
| 10 | 210 | 0.41 | 84 | 0.64 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 155 | 0.31 | 70 | 0.53 | Windows 95 |
| 12 | 114 | 0.22 | 56 | 0.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 38 | 0.07 | 36 | 0.27 | +http://www.uptime.com/uptimebot |
| 14 | 52 | 0.10 | 27 | 0.20 | +http://www.semrush.com/bot.html |
| 15 | 115 | 0.23 | 16 | 0.12 | Windows 98 |
| 16 | 26 | 0.05 | 15 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 17 | 39 | 0.08 | 14 | 0.11 | Windows 2000 |
| 18 | 23 | 0.05 | 11 | 0.08 | Auto; Windows |
| 19 | 41 | 0.08 | 11 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 20 | 26 | 0.05 | 10 | 0.08 | Windows ME |
| 21 | 28 | 0.06 | 9 | 0.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 22 | 28 | 0.06 | 9 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 23 | 17 | 0.03 | 7 | 0.05 | Windows CE |
| 24 | 12 | 0.02 | 6 | 0.05 | Windows 3.1 |
| 25 | 45 | 0.09 | 5 | 0.04 | +http://www.seokicks.de/robot.html |
| 26 | 10 | 0.02 | 5 | 0.04 | +http://duckduckgo.com |
| 27 | 40 | 0.08 | 4 | 0.03 | Windows XP |
| 28 | 9 | 0.02 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 29 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 30 | 4 | 0.01 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 31 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
| 32 | 324 | 0.64 | 2 | 0.02 | http://crawler.007ac9.net/ |
| 33 | 6 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 34 | 1 | 0.00 | 1 | 0.01 | X11 |
| 35 | 3 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 36 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 37 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 2 | 0.00 | 1 | 0.01 | +http://www.exabot.com/go/robot |
| 39 | 1 | 0.00 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 40 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 4 | 0.01 | 0 | 0.00 | +http://webmeup-crawler.com/ |
