| Used Operating Systems |
| 1 | 21824 | 30.52 | 159 | 1.84 | +http://ahrefs.com/robot/ |
| 2 | 19059 | 26.66 | 163 | 1.88 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 13438 | 18.79 | 2779 | 32.12 | +http://www.xovibot.net/ |
| 4 | 6404 | 8.96 | 2 | 0.02 | +http://megaindex.com/crawler |
| 5 | 4278 | 5.98 | 3352 | 38.74 | +http://www.baidu.com/search/spider.html |
| 6 | 3375 | 4.72 | 1198 | 13.84 | Windows NT |
| 7 | 843 | 1.18 | 246 | 2.84 | +http://www.bing.com/bingbot.htm |
| 8 | 609 | 0.85 | 269 | 3.11 | +http://www.google.com/bot.html |
| 9 | 401 | 0.56 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 10 | 179 | 0.25 | 59 | 0.68 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 145 | 0.20 | 26 | 0.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 141 | 0.20 | 114 | 1.32 | Windows 95 |
| 13 | 103 | 0.14 | 27 | 0.31 | Windows 98 |
| 14 | 96 | 0.13 | 2 | 0.02 | Linux [unknown version] |
| 15 | 95 | 0.13 | 1 | 0.01 | Linux i586 [unknown version] |
| 16 | 76 | 0.11 | 26 | 0.30 | Windows XP |
| 17 | 65 | 0.09 | 9 | 0.10 | +http://yandex.com/bots |
| 18 | 42 | 0.06 | 15 | 0.17 | +http://www.linkdex.com/bots/ |
| 19 | 36 | 0.05 | 27 | 0.31 | Windows 2000 |
| 20 | 32 | 0.04 | 4 | 0.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 21 | 29 | 0.04 | 21 | 0.24 | Auto; Windows |
| 22 | 28 | 0.04 | 24 | 0.28 | ) - BrowseX (2.0.0 Windows |
| 23 | 27 | 0.04 | 22 | 0.25 | Windows 3.1 |
| 24 | 21 | 0.03 | 18 | 0.21 | Windows CE |
| 25 | 21 | 0.03 | 21 | 0.24 | actually this is http://ismyblogworking.... |
| 26 | 20 | 0.03 | 18 | 0.21 | Windows ME |
| 27 | 19 | 0.03 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 28 | 18 | 0.03 | 17 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 29 | 16 | 0.02 | 13 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 30 | 16 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 31 | 9 | 0.01 | 3 | 0.03 | +http://prlog.ru/ |
| 32 | 8 | 0.01 | 0 | 0.00 | http://drive.google.com |
| 33 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 34 | 5 | 0.01 | 3 | 0.03 | Linux i686 [unknown version] |
| 35 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 4 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 38 | 4 | 0.01 | 4 | 0.05 | +http://domainsigma.com/robot |
| 39 | 1 | 0.00 | 0 | 0.00 | Android |
