| Used Operating Systems |
| 1 | 20727 | 81.09 | 174 | 6.61 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1416 | 5.54 | 1170 | 44.42 | +http://www.baidu.com/search/spider.html |
| 3 | 1169 | 4.57 | 135 | 5.13 | +http://yandex.com/bots |
| 4 | 777 | 3.04 | 588 | 22.32 | Windows NT |
| 5 | 497 | 1.94 | 184 | 6.99 | +http://www.google.com/bot.html |
| 6 | 475 | 1.86 | 298 | 11.31 | +http://www.bing.com/bingbot.htm |
| 7 | 260 | 1.02 | 6 | 0.23 | +http://OpenLinkProfiler.org/bot |
| 8 | 68 | 0.27 | 2 | 0.08 | +https://www.aihitdata.com/about |
| 9 | 24 | 0.09 | 7 | 0.27 | +http://www.exabot.com/go/robot |
| 10 | 20 | 0.08 | 10 | 0.38 | Linux i686 [unknown version] |
| 11 | 17 | 0.07 | 12 | 0.46 | Windows 95 |
| 12 | 14 | 0.05 | 2 | 0.08 | crawler@mixrank.com |
| 13 | 14 | 0.05 | 7 | 0.27 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 13 | 0.05 | 1 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 15 | 12 | 0.05 | 6 | 0.23 | FreeBSD [unknown version] |
| 16 | 9 | 0.04 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 6 | 0.02 | 2 | 0.08 | Linux [unknown version] |
| 18 | 6 | 0.02 | 4 | 0.15 | +info@netcraft.com |
| 19 | 6 | 0.02 | 3 | 0.11 | Windows 98 |
| 20 | 5 | 0.02 | 5 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 21 | 4 | 0.02 | 4 | 0.15 | Windows CE |
| 22 | 4 | 0.02 | 0 | 0.00 | OpenBSD [unknown version] |
| 23 | 4 | 0.02 | 4 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 24 | 4 | 0.02 | 2 | 0.08 | +http://duckduckgo.com |
| 25 | 3 | 0.01 | 3 | 0.11 | Windows 3.1 |
| 26 | 2 | 0.01 | 2 | 0.08 | http://nmap.org/book/nse.html |
| 27 | 2 | 0.01 | 1 | 0.04 | Windows XP |
| 28 | 1 | 0.00 | 1 | 0.04 | Windows 2000 |
| 29 | 1 | 0.00 | 1 | 0.04 | Windows ME |
