| Used Operating Systems |
| 1 | 2758 | 82.77 | 2300 | 91.20 | +http://www.baidu.com/search/spider.html |
| 2 | 194 | 5.82 | 89 | 3.53 | +http://yandex.com/bots |
| 3 | 121 | 3.63 | 36 | 1.43 | +http://www.google.com/bot.html |
| 4 | 85 | 2.55 | 65 | 2.58 | Windows NT |
| 5 | 36 | 1.08 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 34 | 1.02 | 4 | 0.16 | +http://www.bing.com/bingbot.htm |
| 7 | 28 | 0.84 | 4 | 0.16 | http://filterdb.iss.net/crawler/ |
| 8 | 22 | 0.66 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
| 9 | 17 | 0.51 | 7 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 15 | 0.45 | 5 | 0.20 | +http://OpenLinkProfiler.org/bot |
| 11 | 4 | 0.12 | 2 | 0.08 | +http://www.privacyaware.org |
| 12 | 4 | 0.12 | 2 | 0.08 | +info@netcraft.com |
| 13 | 4 | 0.12 | 2 | 0.08 | +http://www.exabot.com/go/robot |
| 14 | 2 | 0.06 | 2 | 0.08 | http://nmap.org/book/nse.html |
| 15 | 2 | 0.06 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 2 | 0.06 | 2 | 0.08 | Windows 98 |
| 17 | 2 | 0.06 | 2 | 0.08 | +http://megaindex.com/crawler |
| 18 | 2 | 0.06 | 0 | 0.00 | +http://www.semrush.com/bot.html |