| Used Operating Systems |
| 1 | 11731 | 53.01 | 148 | 4.21 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5545 | 25.06 | 826 | 23.51 | Windows NT |
| 3 | 2017 | 9.12 | 1628 | 46.34 | +http://www.baidu.com/search/spider.html |
| 4 | 943 | 4.26 | 356 | 10.13 | +http://www.google.com/bot.html |
| 5 | 868 | 3.92 | 198 | 5.64 | +http://www.bing.com/bingbot.htm |
| 6 | 321 | 1.45 | 104 | 2.96 | +http://www.linkdex.com/bots/ |
| 7 | 88 | 0.40 | 43 | 1.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 79 | 0.36 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 79 | 0.36 | 26 | 0.74 | Windows 98 |
| 10 | 75 | 0.34 | 33 | 0.94 | Windows 95 |
| 11 | 49 | 0.22 | 18 | 0.51 | +http://yandex.com/bots |
| 12 | 42 | 0.19 | 27 | 0.77 | +http://ahrefs.com/robot/ |
| 13 | 30 | 0.14 | 8 | 0.23 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 23 | 0.10 | 9 | 0.26 | Windows ME |
| 15 | 22 | 0.10 | 8 | 0.23 | MSIE 5.5; Windows NT 4.0 |
| 16 | 18 | 0.08 | 10 | 0.28 | Windows 2000 |
| 17 | 18 | 0.08 | 6 | 0.17 | +http://OpenLinkProfiler.org/bot |
| 18 | 17 | 0.08 | 7 | 0.20 | MSIE 5.5; Windows NT 5.0 |
| 19 | 16 | 0.07 | 0 | 0.00 | +http://indonesiancoder.com |
| 20 | 15 | 0.07 | 4 | 0.11 | Windows XP |
| 21 | 15 | 0.07 | 8 | 0.23 | +http://www.exabot.com/go/robot |
| 22 | 12 | 0.05 | 2 | 0.06 | Linux [unknown version] |
| 23 | 11 | 0.05 | 2 | 0.06 | +info@netcraft.com |
| 24 | 10 | 0.05 | 5 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 25 | 10 | 0.05 | 5 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 9 | 0.04 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 27 | 9 | 0.04 | 2 | 0.06 | X11 |
| 28 | 7 | 0.03 | 3 | 0.09 | Windows CE |
| 29 | 6 | 0.03 | 4 | 0.11 | Auto; Windows |
| 30 | 6 | 0.03 | 2 | 0.06 | +https://www.lipperhey.com/en/about/ |
| 31 | 6 | 0.03 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 32 | 5 | 0.02 | 4 | 0.11 | Windows 3.1 |
| 33 | 4 | 0.02 | 2 | 0.06 | +https://www.mojeek.com/bot.html |
| 34 | 4 | 0.02 | 4 | 0.11 | +http://www.domaintuno.com/robot |
| 35 | 4 | 0.02 | 1 | 0.03 | +http://www.semrush.com/bot.html |
| 36 | 4 | 0.02 | 2 | 0.06 | +http://duckduckgo.com |
| 37 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 38 | 2 | 0.01 | 1 | 0.03 | +http://www.seograph.net/bot.html |
| 39 | 2 | 0.01 | 2 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 1 | 0.00 | 1 | 0.03 | WinHttp.WinHttpRequest.5 |
| 42 | 1 | 0.00 | 1 | 0.03 | PPC Mac OS X Mach-O |
