| Used Operating Systems |
| 1 | 44051 | 48.11 | 8041 | 59.15 | +http://ahrefs.com/robot/ |
| 2 | 16355 | 17.86 | 573 | 4.21 | +http://www.bing.com/bingbot.htm |
| 3 | 11048 | 12.07 | 117 | 0.86 | http://mj12bot.com/ |
| 4 | 5626 | 6.14 | 1466 | 10.78 | Windows NT |
| 5 | 4240 | 4.63 | 36 | 0.26 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 3005 | 3.28 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 2039 | 2.23 | 1936 | 14.24 | +http://www.baidu.com/search/spider.html |
| 8 | 1791 | 1.96 | 439 | 3.23 | +http://www.google.com/bot.html |
| 9 | 1202 | 1.31 | 149 | 1.10 | +http://yandex.com/bots |
| 10 | 734 | 0.80 | 39 | 0.29 | +spider@seoscanners.net |
| 11 | 251 | 0.27 | 202 | 1.49 | Windows 95 |
| 12 | 203 | 0.22 | 41 | 0.30 | Windows 98 |
| 13 | 150 | 0.16 | 68 | 0.50 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 143 | 0.16 | 82 | 0.60 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 125 | 0.14 | 9 | 0.07 | +http://www.semrush.com/bot.html |
| 16 | 58 | 0.06 | 2 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 17 | 55 | 0.06 | 8 | 0.06 | Windows XP |
| 18 | 54 | 0.06 | 21 | 0.15 | +http://www.linkdex.com/bots/ |
| 19 | 54 | 0.06 | 49 | 0.36 | ) - BrowseX (2.0.0 Windows |
| 20 | 54 | 0.06 | 49 | 0.36 | MSIE 5.5; Windows NT 4.0 |
| 21 | 51 | 0.06 | 46 | 0.34 | Windows CE |
| 22 | 49 | 0.05 | 46 | 0.34 | Auto; Windows |
| 23 | 48 | 0.05 | 45 | 0.33 | MSIE 5.5; Windows NT 5.0 |
| 24 | 37 | 0.04 | 35 | 0.26 | Windows 3.1 |
| 25 | 36 | 0.04 | 33 | 0.24 | Windows ME |
| 26 | 34 | 0.04 | 30 | 0.22 | Windows 2000 |
| 27 | 20 | 0.02 | 9 | 0.07 | +http://duckduckgo.com |
| 28 | 16 | 0.02 | 8 | 0.06 | +http://help.coccoc.com/searchengine |
| 29 | 14 | 0.02 | 2 | 0.01 | +http://siteexplorer.info/Backlink-Check... |
| 30 | 14 | 0.02 | 5 | 0.04 | +http://www.exabot.com/go/robot |
| 31 | 3 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 32 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 33 | 2 | 0.00 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 34 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 35 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
