| Used Operating Systems |
| 1 | 15904 | 37.81 | 99 | 1.50 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8076 | 19.20 | 292 | 4.42 | +http://ahrefs.com/robot/ |
| 3 | 6929 | 16.47 | 1169 | 17.70 | +http://www.xovibot.net/ |
| 4 | 4807 | 11.43 | 1314 | 19.90 | Windows NT |
| 5 | 3790 | 9.01 | 3100 | 46.95 | +http://www.baidu.com/search/spider.html |
| 6 | 1104 | 2.62 | 206 | 3.12 | +http://www.bing.com/bingbot.htm |
| 7 | 547 | 1.30 | 206 | 3.12 | +http://www.google.com/bot.html |
| 8 | 418 | 0.99 | 7 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 9 | 133 | 0.32 | 81 | 1.23 | +http://yandex.com/bots |
| 10 | 116 | 0.28 | 40 | 0.61 | +http://www.linkdex.com/bots/ |
| 11 | 82 | 0.19 | 31 | 0.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 65 | 0.15 | 26 | 0.39 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 23 | 0.05 | 2 | 0.03 | Windows 98 |
| 14 | 21 | 0.05 | 9 | 0.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 18 | 0.04 | 7 | 0.11 | +http://sur.ly/bot.html |
| 16 | 13 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 17 | 5 | 0.01 | 2 | 0.03 | Windows 95 |
| 18 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 20 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 21 | 2 | 0.00 | 1 | 0.02 | Windows XP |
| 22 | 2 | 0.00 | 2 | 0.03 | Linux i686 [unknown version] |
| 23 | 1 | 0.00 | 1 | 0.02 | i686 Linux; 20021102 |
| 24 | 1 | 0.00 | 1 | 0.02 | i686 Linux; 20020908 |
| 25 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 26 | 1 | 0.00 | 0 | 0.00 | Solaris 7.x |
