| Used Operating Systems |
| 1 | 14027 | 34.63 | 135 | 2.89 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11513 | 28.43 | 357 | 7.64 | +http://ahrefs.com/robot/ |
| 3 | 6312 | 15.58 | 1475 | 31.58 | +http://www.xovibot.net/ |
| 4 | 3159 | 7.80 | 1 | 0.02 | +http://megaindex.com/crawler |
| 5 | 2141 | 5.29 | 1782 | 38.16 | +http://www.baidu.com/search/spider.html |
| 6 | 765 | 1.89 | 273 | 5.85 | +http://www.google.com/bot.html |
| 7 | 723 | 1.79 | 293 | 6.27 | +http://www.bing.com/bingbot.htm |
| 8 | 678 | 1.67 | 6 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 9 | 492 | 1.21 | 125 | 2.68 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 282 | 0.70 | 97 | 2.08 | Windows NT |
| 11 | 105 | 0.26 | 8 | 0.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 90 | 0.22 | 56 | 1.20 | +http://www.linkdex.com/bots/ |
| 13 | 82 | 0.20 | 11 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 50 | 0.12 | 18 | 0.39 | +http://yandex.com/bots |
| 15 | 22 | 0.05 | 3 | 0.06 | +http://www.semrush.com/bot.html |
| 16 | 16 | 0.04 | 6 | 0.13 | Linux [unknown version] |
| 17 | 12 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 18 | 10 | 0.02 | 5 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 4 | 0.01 | 4 | 0.09 | Windows 95 |
| 20 | 3 | 0.01 | 3 | 0.06 | Auto; Windows |
| 21 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 22 | 2 | 0.00 | 1 | 0.02 | Windows XP |
| 23 | 2 | 0.00 | 2 | 0.04 | Windows ME |
| 24 | 2 | 0.00 | 2 | 0.04 | Linux i686 [unknown version] |
| 25 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 2 | 0.00 | 1 | 0.02 | +http://www.exabot.com/go/robot |
| 27 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 28 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 29 | 1 | 0.00 | 0 | 0.00 | Windows 98 |
| 30 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
