| Used Operating Systems |
| 1 | 21619 | 25.35 | 404 | 5.71 | +http://yandex.com/bots |
| 2 | 21309 | 24.98 | 307 | 4.34 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 17242 | 20.21 | 818 | 11.56 | Windows NT |
| 4 | 17015 | 19.95 | 4342 | 61.38 | +http://ahrefs.com/robot/ |
| 5 | 1333 | 1.56 | 115 | 1.63 | +http://www.bing.com/bingbot.htm |
| 6 | 1308 | 1.53 | 722 | 10.21 | +http://www.baidu.com/search/spider.html |
| 7 | 1246 | 1.46 | 179 | 2.53 | +http://www.google.com/bot.html |
| 8 | 1118 | 1.31 | 12 | 0.17 | +http://siteexplorer.info/ |
| 9 | 565 | 0.66 | 5 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 10 | 474 | 0.56 | 4 | 0.06 | +http://www.semrush.com/bot.html |
| 11 | 456 | 0.53 | 4 | 0.06 | +http://megaindex.com/crawler |
| 12 | 416 | 0.49 | 2 | 0.03 | +spider@seoscanners.net |
| 13 | 236 | 0.28 | 2 | 0.03 | Linux i686 [unknown version] |
| 14 | 176 | 0.21 | 3 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 166 | 0.19 | 15 | 0.21 | +http://help.coccoc.com/searchengine |
| 16 | 158 | 0.19 | 2 | 0.03 | Windows Phone OS 7.5 |
| 17 | 108 | 0.13 | 45 | 0.64 | +http://www.xovibot.net/ |
| 18 | 58 | 0.07 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 55 | 0.06 | 18 | 0.25 | +http://www.linkdex.com/bots/ |
| 20 | 48 | 0.06 | 23 | 0.33 | Windows 95 |
| 21 | 39 | 0.05 | 13 | 0.18 | Windows 98 |
| 22 | 36 | 0.04 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 23 | 26 | 0.03 | 6 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 24 | 24 | 0.03 | 2 | 0.03 | +https://www.dataprovider.com/ |
| 25 | 20 | 0.02 | 2 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 26 | 14 | 0.02 | 2 | 0.03 | +http://www.exabot.com/go/robot |
| 27 | 5 | 0.01 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 28 | 4 | 0.00 | 4 | 0.06 | Windows 2000 |
| 29 | 4 | 0.00 | 4 | 0.06 | Windows ME |
| 30 | 3 | 0.00 | 3 | 0.04 | Windows 3.1 |
| 31 | 2 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 32 | 2 | 0.00 | 2 | 0.03 | Windows CE |
| 33 | 2 | 0.00 | 2 | 0.03 | Auto; Windows |
| 34 | 2 | 0.00 | 1 | 0.01 | Windows XP |
| 35 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 2 | 0.00 | 1 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 37 | 2 | 0.00 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 38 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
