| Used Operating Systems |
| 1 | 20377 | 31.97 | 145 | 2.34 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16036 | 25.16 | 115 | 1.85 | +http://ahrefs.com/robot/ |
| 3 | 12510 | 19.62 | 2092 | 33.70 | +http://www.xovibot.net/ |
| 4 | 5971 | 9.37 | 374 | 6.02 | +http://www.bing.com/bingbot.htm |
| 5 | 2446 | 3.84 | 780 | 12.56 | Windows NT |
| 6 | 2210 | 3.47 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 7 | 2160 | 3.39 | 2084 | 33.57 | +http://www.baidu.com/search/spider.html |
| 8 | 1072 | 1.68 | 272 | 4.38 | +http://www.google.com/bot.html |
| 9 | 362 | 0.57 | 86 | 1.39 | +http://yandex.com/bots |
| 10 | 253 | 0.40 | 104 | 1.68 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 179 | 0.28 | 56 | 0.90 | +http://www.linkdex.com/bots/ |
| 12 | 35 | 0.05 | 16 | 0.26 | +http://www.semrush.com/bot.html |
| 13 | 31 | 0.05 | 12 | 0.19 | Windows 98 |
| 14 | 20 | 0.03 | 19 | 0.31 | Windows 95 |
| 15 | 18 | 0.03 | 9 | 0.14 | +http://help.coccoc.com/ |
| 16 | 14 | 0.02 | 1 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 10 | 0.02 | 2 | 0.03 | http://filterdb.iss.net/crawler/ |
| 18 | 6 | 0.01 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 5 | 0.01 | 5 | 0.08 | Windows 2000 |
| 20 | 5 | 0.01 | 5 | 0.08 | Auto; Windows |
| 21 | 5 | 0.01 | 5 | 0.08 | Windows ME |
| 22 | 5 | 0.01 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 23 | 5 | 0.01 | 5 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 24 | 3 | 0.00 | 3 | 0.05 | Windows 3.1 |
| 25 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 26 | 2 | 0.00 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 27 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 28 | 1 | 0.00 | 1 | 0.02 | Windows XP |
| 29 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 30 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
