| Used Operating Systems |
| 1 | 2902 | 81.20 | 2365 | 91.14 | +http://www.baidu.com/search/spider.html |
| 2 | 350 | 9.79 | 115 | 4.43 | +http://yandex.com/bots |
| 3 | 72 | 2.01 | 54 | 2.08 | +http://www.google.com/bot.html |
| 4 | 53 | 1.48 | 9 | 0.35 | +http://www.bing.com/bingbot.htm |
| 5 | 40 | 1.12 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 39 | 1.09 | 13 | 0.50 | Windows NT |
| 7 | 28 | 0.78 | 4 | 0.15 | http://filterdb.iss.net/crawler/ |
| 8 | 24 | 0.67 | 7 | 0.27 | +http://www.semrush.com/bot.html |
| 9 | 18 | 0.50 | 6 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 18 | 0.50 | 6 | 0.23 | +http://OpenLinkProfiler.org/bot |
| 11 | 6 | 0.17 | 2 | 0.08 | +https://www.dataprovider.com/ |
| 12 | 4 | 0.11 | 2 | 0.08 | +info@netcraft.com |
| 13 | 4 | 0.11 | 2 | 0.08 | +spider@seoscanners.net |
| 14 | 4 | 0.11 | 2 | 0.08 | +http://www.uptime.com/uptimebot |
| 15 | 4 | 0.11 | 2 | 0.08 | +http://duckduckgo.com |
| 16 | 2 | 0.06 | 2 | 0.08 | http://nmap.org/book/nse.html |
| 17 | 2 | 0.06 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 2 | 0.06 | 2 | 0.08 | Linux [unknown version] |
| 19 | 2 | 0.06 | 2 | 0.08 | +http://megaindex.com/crawler |
