| Used Operating Systems |
| 1 | 3455 | 78.94 | 2412 | 87.55 | +http://www.baidu.com/search/spider.html |
| 2 | 259 | 5.92 | 110 | 3.99 | Windows NT |
| 3 | 213 | 4.87 | 84 | 3.05 | +http://www.google.com/bot.html |
| 4 | 196 | 4.48 | 74 | 2.69 | +http://yandex.com/bots |
| 5 | 51 | 1.17 | 10 | 0.36 | +http://www.bing.com/bingbot.htm |
| 6 | 30 | 0.69 | 10 | 0.36 | Windows XP |
| 7 | 28 | 0.64 | 4 | 0.15 | http://filterdb.iss.net/crawler/ |
| 8 | 16 | 0.37 | 6 | 0.22 | Windows 98 |
| 9 | 14 | 0.32 | 5 | 0.18 | Windows 95 |
| 10 | 14 | 0.32 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 12 | 0.27 | 4 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 12 | 0.27 | 3 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 13 | 8 | 0.18 | 2 | 0.07 | +http://www.warebay.com/bot.html |
| 14 | 8 | 0.18 | 4 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 7 | 0.16 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 16 | 7 | 0.16 | 3 | 0.11 | Windows 3.1 |
| 17 | 6 | 0.14 | 1 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 6 | 0.14 | 2 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 19 | 6 | 0.14 | 2 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 20 | 4 | 0.09 | 4 | 0.15 | http://nmap.org/book/nse.html |
| 21 | 4 | 0.09 | 4 | 0.15 | +http://www.domaintuno.com/robot |
| 22 | 4 | 0.09 | 2 | 0.07 | +info@netcraft.com |
| 23 | 3 | 0.07 | 3 | 0.11 | Linux i686 [unknown version] |
| 24 | 3 | 0.07 | 1 | 0.04 | +https://www.lipperhey.com/en/about/ |
| 25 | 2 | 0.05 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 26 | 2 | 0.05 | 2 | 0.07 | AIX 000690FC4C00 |
| 27 | 2 | 0.05 | 2 | 0.07 | +http://megaindex.com/crawler |
| 28 | 2 | 0.05 | 0 | 0.00 | HP-UX 9000/785 |
| 29 | 2 | 0.05 | 0 | 0.00 | NetBSD [unknown version] |
| 30 | 1 | 0.02 | 1 | 0.04 | MSIE 5.5; Windows NT 5.0 |
