| Used Operating Systems |
| 1 | 26478 | 44.80 | 210 | 1.57 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16739 | 28.32 | 10699 | 79.81 | +http://www.baidu.com/search/spider.html |
| 3 | 3693 | 6.25 | 1414 | 10.55 | Windows NT |
| 4 | 3360 | 5.69 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 3217 | 5.44 | 237 | 1.77 | +http://www.bing.com/bingbot.htm |
| 6 | 2999 | 5.07 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 1199 | 2.03 | 519 | 3.87 | +http://www.google.com/bot.html |
| 8 | 641 | 1.08 | 107 | 0.80 | +http://yandex.com/bots |
| 9 | 504 | 0.85 | 121 | 0.90 | +http://www.linkdex.com/bots/ |
| 10 | 67 | 0.11 | 19 | 0.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 56 | 0.09 | 21 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 33 | 0.06 | 2 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 13 | 23 | 0.04 | 6 | 0.04 | X11 |
| 14 | 21 | 0.04 | 4 | 0.03 | +http://www.semrush.com/bot.html |
| 15 | 20 | 0.03 | 18 | 0.13 | +http://www.uptime.com/uptimebot |
| 16 | 16 | 0.03 | 7 | 0.05 | +http://help.coccoc.com/ |
| 17 | 6 | 0.01 | 2 | 0.01 | +http://www.profound.net/domainappender |
| 18 | 5 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 19 | 4 | 0.01 | 3 | 0.02 | http://nmap.org/book/nse.html |
| 20 | 4 | 0.01 | 2 | 0.01 | Linux i686 [unknown version] |
| 21 | 4 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 22 | 4 | 0.01 | 2 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 3 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 24 | 2 | 0.00 | 2 | 0.01 | X11; Linux i686; en |
| 25 | 1 | 0.00 | 1 | 0.01 | Windows 95 |
| 26 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 27 | 1 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 28 | 1 | 0.00 | 0 | 0.00 | Windows 98 |
