| Used Operating Systems |
| 1 | 11310 | 32.48 | 380 | 12.13 | +http://ahrefs.com/robot/ |
| 2 | 9925 | 28.50 | 97 | 3.10 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6359 | 18.26 | 2 | 0.06 | +http://megaindex.com/crawler |
| 4 | 1694 | 4.86 | 1534 | 48.96 | +http://www.baidu.com/search/spider.html |
| 5 | 1320 | 3.79 | 108 | 3.45 | Windows NT |
| 6 | 1084 | 3.11 | 142 | 4.53 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 973 | 2.79 | 226 | 7.21 | +http://www.xovibot.net/ |
| 8 | 622 | 1.79 | 225 | 7.18 | +http://www.bing.com/bingbot.htm |
| 9 | 610 | 1.75 | 209 | 6.67 | +http://www.google.com/bot.html |
| 10 | 226 | 0.65 | 2 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 11 | 183 | 0.53 | 66 | 2.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 171 | 0.49 | 58 | 1.85 | +http://yandex.com/bots |
| 13 | 125 | 0.36 | 1 | 0.03 | +http://www.seokicks.de/robot.html |
| 14 | 84 | 0.24 | 52 | 1.66 | +http://www.linkdex.com/bots/ |
| 15 | 75 | 0.22 | 11 | 0.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 25 | 0.07 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 17 | 6 | 0.02 | 6 | 0.19 | http://nmap.org/book/nse.html |
| 18 | 6 | 0.02 | 3 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 6 | 0.02 | 3 | 0.10 | +http://www.exabot.com/go/robot |
| 20 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 21 | 5 | 0.01 | 4 | 0.13 | +info@netcraft.com |
| 22 | 4 | 0.01 | 1 | 0.03 | Windows 98 |
| 23 | 2 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 24 | 2 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 25 | 1 | 0.00 | 1 | 0.03 | +http://domainmacro.com |
| 26 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
