| Used Operating Systems |
| 1 | 548 | 67.99 | 223 | 70.79 | +http://www.google.com/bot.html |
| 2 | 76 | 9.43 | 28 | 8.89 | Windows NT |
| 3 | 49 | 6.08 | 49 | 15.56 | +http://www.baidu.com/search/spider.html |
| 4 | 31 | 3.85 | 0 | 0.00 | +http://www.bing.com/bingbot.htm |
| 5 | 24 | 2.98 | 4 | 1.27 | +http://fulltext.sblog.cz/ |
| 6 | 21 | 2.61 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 13 | 1.61 | 0 | 0.00 | +http://www.exabot.com/go/robot |
| 8 | 8 | 0.99 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 9 | 4 | 0.50 | 4 | 1.27 | http://nmap.org/book/nse.html |
| 10 | 4 | 0.50 | 0 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 11 | 4 | 0.50 | 2 | 0.63 | +info@netcraft.com |
| 12 | 4 | 0.50 | 0 | 0.00 | +http://www.findxbot.com |
| 13 | 3 | 0.37 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 14 | 3 | 0.37 | 3 | 0.95 | Linux i686 [unknown version] |
| 15 | 2 | 0.25 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 16 | 2 | 0.25 | 2 | 0.63 | Linux [unknown version] |
| 17 | 2 | 0.25 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 2 | 0.25 | 0 | 0.00 | Windows 98 |
| 19 | 2 | 0.25 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 20 | 2 | 0.25 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 21 | 2 | 0.25 | 0 | 0.00 | +http://www.xovibot.net/ |
