| Used Operating Systems by Visits |
| 1 | 32515 | 23.59 | 24745 | 51.53 | +http://ahrefs.com/robot/ |
| 2 | 28641 | 20.78 | 19022 | 39.61 | +http://www.baidu.com/search/spider.html |
| 3 | 2367 | 1.72 | 1054 | 2.20 | +http://www.google.com/bot.html |
| 4 | 23000 | 16.69 | 984 | 2.05 | Windows NT |
| 5 | 3866 | 2.81 | 696 | 1.45 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 5246 | 3.81 | 464 | 0.97 | +http://yandex.com/bots |
| 7 | 23133 | 16.79 | 322 | 0.67 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 1315 | 0.95 | 254 | 0.53 | +http://www.bing.com/bingbot.htm |
| 9 | 113 | 0.08 | 105 | 0.22 | +http://www.xovibot.net/ |
| 10 | 364 | 0.26 | 93 | 0.19 | +http://www.linkdex.com/bots/ |
| 11 | 129 | 0.09 | 48 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 136 | 0.10 | 44 | 0.09 | Windows 95 |
| 13 | 111 | 0.08 | 37 | 0.08 | +http://www.profound.net/domainappender |
| 14 | 39 | 0.03 | 15 | 0.03 | Windows CE |
| 15 | 222 | 0.16 | 14 | 0.03 | +http://www.semrush.com/bot.html |
| 16 | 199 | 0.14 | 14 | 0.03 | Windows 98 |
| 17 | 4165 | 3.02 | 11 | 0.02 | +http://www.warebay.com/bot.html |
| 18 | 21 | 0.02 | 10 | 0.02 | Windows 3.1 |
| 19 | 11 | 0.01 | 10 | 0.02 | +info@netcraft.com |
| 20 | 12 | 0.01 | 9 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 21 | 21 | 0.02 | 8 | 0.02 | Windows XP |
| 22 | 12 | 0.01 | 8 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 23 | 11 | 0.01 | 7 | 0.01 | Windows ME |
| 24 | 10 | 0.01 | 6 | 0.01 | Windows 2000 |
| 25 | 22 | 0.02 | 6 | 0.01 | +http://www.exabot.com/go/robot |
| 26 | 52 | 0.04 | 5 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 5 | 0.00 | 5 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 28 | 3 | 0.00 | 3 | 0.01 | Auto; Windows |
| 29 | 3 | 0.00 | 3 | 0.01 | +http://sur.ly/bot.html |
| 30 | 2004 | 1.45 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 31 | 10010 | 7.26 | 3 | 0.01 | +http://megaindex.com/crawler |
| 32 | 3 | 0.00 | 2 | 0.00 | +http://www.uptime.com/uptimebot |
| 33 | 8 | 0.01 | 2 | 0.00 | +http://www.seokicks.de/robot.html |
| 34 | 4 | 0.00 | 2 | 0.00 | WinHttp.WinHttpRequest.5 |
| 35 | 1 | 0.00 | 1 | 0.00 | Windows Mobile |
| 36 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 37 | 14 | 0.01 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 38 | 12 | 0.01 | 1 | 0.00 | +https://www.dataprovider.com/ |
| 39 | 5 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
