| Used Operating Systems |
| 1 | 10283 | 72.46 | 125 | 7.34 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1252 | 8.82 | 1065 | 62.57 | +http://www.baidu.com/search/spider.html |
| 3 | 1028 | 7.24 | 358 | 21.03 | +http://www.google.com/bot.html |
| 4 | 808 | 5.69 | 2 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 5 | 296 | 2.09 | 2 | 0.12 | +http://www.seokicks.de/robot.html |
| 6 | 176 | 1.24 | 60 | 3.53 | +http://www.bing.com/bingbot.htm |
| 7 | 135 | 0.95 | 57 | 3.35 | Windows NT |
| 8 | 62 | 0.44 | 6 | 0.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 58 | 0.41 | 5 | 0.29 | +http://fulltext.sblog.cz/ |
| 10 | 36 | 0.25 | 2 | 0.12 | +http://megaindex.com/crawler |
| 11 | 17 | 0.12 | 4 | 0.24 | +http://www.exabot.com/go/robot |
| 12 | 8 | 0.06 | 2 | 0.12 | +http://ahrefs.com/robot/ |
| 13 | 8 | 0.06 | 0 | 0.00 | Windows 98 |
| 14 | 7 | 0.05 | 3 | 0.18 | +http://www.findxbot.com |
| 15 | 6 | 0.04 | 6 | 0.35 | http://nmap.org/book/nse.html |
| 16 | 4 | 0.03 | 2 | 0.12 | +info@netcraft.com |
| 17 | 2 | 0.01 | 2 | 0.12 | Linux i686 [unknown version] |
| 18 | 2 | 0.01 | 0 | 0.00 | http://www.botje.com/plukkie.htm |
| 19 | 2 | 0.01 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 1 | 0.01 | 1 | 0.06 | X11 |
