| Used Operating Systems |
| 1 | 2833 | 86.66 | 2348 | 93.10 | +http://www.baidu.com/search/spider.html |
| 2 | 127 | 3.88 | 45 | 1.78 | +http://yandex.com/bots |
| 3 | 88 | 2.69 | 43 | 1.70 | +http://www.google.com/bot.html |
| 4 | 58 | 1.77 | 6 | 0.24 | +http://www.bing.com/bingbot.htm |
| 5 | 46 | 1.41 | 41 | 1.63 | Windows NT |
| 6 | 14 | 0.43 | 2 | 0.08 | http://filterdb.iss.net/crawler/ |
| 7 | 14 | 0.43 | 7 | 0.28 | +http://www.meanpath.com/meanpathbot.htm... |
| 8 | 12 | 0.37 | 4 | 0.16 | +http://filterdb.iss.net/crawler/ |
| 9 | 11 | 0.34 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 10 | 11 | 0.34 | 5 | 0.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 11 | 0.34 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 7 | 0.21 | 2 | 0.08 | +http://www.semrush.com/bot.html |
| 13 | 6 | 0.18 | 2 | 0.08 | +https://www.lipperhey.com/en/about/ |
| 14 | 4 | 0.12 | 2 | 0.08 | http://nmap.org/book/nse.html |
| 15 | 4 | 0.12 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 16 | 4 | 0.12 | 2 | 0.08 | http://www.botje.com/plukkie.htm |
| 17 | 4 | 0.12 | 2 | 0.08 | +info@netcraft.com |
| 18 | 3 | 0.09 | 1 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 19 | 2 | 0.06 | 2 | 0.08 | +http://www.privacyaware.org |
| 20 | 2 | 0.06 | 2 | 0.08 | +http://www.domaintuno.com/robot |
| 21 | 2 | 0.06 | 2 | 0.08 | Linux i686 [unknown version] |
| 22 | 2 | 0.06 | 2 | 0.08 | +http://www.uptime.com/uptimebot |
| 23 | 1 | 0.03 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 24 | 1 | 0.03 | 1 | 0.04 | +https://www.wslta.com/WoTBoT.html |
| 25 | 1 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 26 | 1 | 0.03 | 1 | 0.04 | +http://megaindex.com/crawler |
