| Used Operating Systems |
| 1 | 22987 | 38.84 | 324 | 5.08 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 17009 | 28.74 | 3687 | 57.85 | +http://ahrefs.com/robot/ |
| 3 | 5593 | 9.45 | 622 | 9.76 | Windows NT |
| 4 | 4526 | 7.65 | 148 | 2.32 | +http://yandex.com/bots |
| 5 | 1776 | 3.00 | 1023 | 16.05 | +http://www.baidu.com/search/spider.html |
| 6 | 1648 | 2.78 | 139 | 2.18 | +http://www.bing.com/bingbot.htm |
| 7 | 1466 | 2.48 | 11 | 0.17 | +spider@seoscanners.net |
| 8 | 1179 | 1.99 | 6 | 0.09 | +http://www.semrush.com/bot.html |
| 9 | 895 | 1.51 | 118 | 1.85 | +http://www.google.com/bot.html |
| 10 | 678 | 1.15 | 6 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 11 | 229 | 0.39 | 80 | 1.26 | +http://www.xovibot.net/ |
| 12 | 228 | 0.39 | 2 | 0.03 | +http://megaindex.com/crawler |
| 13 | 216 | 0.36 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 199 | 0.34 | 7 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 89 | 0.15 | 53 | 0.83 | Windows 95 |
| 16 | 88 | 0.15 | 2 | 0.03 | +http://siteexplorer.info/ |
| 17 | 48 | 0.08 | 20 | 0.31 | Windows XP |
| 18 | 46 | 0.08 | 15 | 0.24 | +http://www.linkdex.com/bots/ |
| 19 | 36 | 0.06 | 13 | 0.20 | Windows 98 |
| 20 | 31 | 0.05 | 7 | 0.11 | +http://www.exabot.com/go/robot |
| 21 | 30 | 0.05 | 7 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 22 | 26 | 0.04 | 8 | 0.13 | +http://help.coccoc.com/searchengine |
| 23 | 24 | 0.04 | 2 | 0.03 | +https://www.dataprovider.com/ |
| 24 | 23 | 0.04 | 13 | 0.20 | Windows 3.1 |
| 25 | 20 | 0.03 | 11 | 0.17 | Windows ME |
| 26 | 18 | 0.03 | 8 | 0.13 | Windows CE |
| 27 | 12 | 0.02 | 8 | 0.13 | Auto; Windows |
| 28 | 11 | 0.02 | 7 | 0.11 | Windows 2000 |
| 29 | 8 | 0.01 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
| 30 | 7 | 0.01 | 5 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 31 | 5 | 0.01 | 0 | 0.00 | Windows 92 |
| 32 | 4 | 0.01 | 2 | 0.03 | Android 4.0.4 |
| 33 | 4 | 0.01 | 4 | 0.06 | Linux i686 [unknown version] |
| 34 | 4 | 0.01 | 4 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 35 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 4 | 0.01 | 2 | 0.03 | +http://duckduckgo.com |
| 37 | 3 | 0.01 | 1 | 0.02 | +http://domainsigma.com/robot |
| 38 | 2 | 0.00 | 2 | 0.03 | Linux [unknown version] |
| 39 | 2 | 0.00 | 2 | 0.03 | SunOS sun4u |
| 40 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 41 | 2 | 0.00 | 0 | 0.00 | FreeBSD 3.x |
| 42 | 1 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
