| Used Operating Systems |
| 1 | 2010 | 49.48 | 1045 | 55.23 | Windows NT |
| 2 | 602 | 14.82 | 143 | 7.56 | +http://yandex.com/bots |
| 3 | 332 | 8.17 | 99 | 5.23 | +http://www.google.com/bot.html |
| 4 | 242 | 5.96 | 146 | 7.72 | +http://www.bing.com/bingbot.htm |
| 5 | 238 | 5.86 | 222 | 11.73 | +http://www.baidu.com/search/spider.html |
| 6 | 123 | 3.03 | 27 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 99 | 2.44 | 48 | 2.54 | Windows 95 |
| 8 | 60 | 1.48 | 4 | 0.21 | +https://www.aihitdata.com/about |
| 9 | 55 | 1.35 | 11 | 0.58 | Windows 98 |
| 10 | 45 | 1.11 | 22 | 1.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 28 | 0.69 | 2 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 12 | 24 | 0.59 | 13 | 0.69 | Windows 3.1 |
| 13 | 24 | 0.59 | 15 | 0.79 | MSIE 5.5; Windows NT 4.0 |
| 14 | 24 | 0.59 | 2 | 0.11 | +http://advbot.org/bot.html |
| 15 | 19 | 0.47 | 11 | 0.58 | Auto; Windows |
| 16 | 18 | 0.44 | 12 | 0.63 | MSIE 5.5; Windows NT 5.0 |
| 17 | 16 | 0.39 | 7 | 0.37 | Windows CE |
| 18 | 16 | 0.39 | 8 | 0.42 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 12 | 0.30 | 6 | 0.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 12 | 0.30 | 8 | 0.42 | Windows ME |
| 21 | 12 | 0.30 | 9 | 0.48 | ) - BrowseX (2.0.0 Windows |
| 22 | 8 | 0.20 | 6 | 0.32 | Windows 2000 |
| 23 | 8 | 0.20 | 4 | 0.21 | +http://gimmeusa-update.com/crawler |
| 24 | 8 | 0.20 | 8 | 0.42 | +http://www.domaintuno.com/robot |
| 25 | 6 | 0.15 | 2 | 0.11 | +http://ahrefs.com/robot/ |
| 26 | 6 | 0.15 | 3 | 0.16 | +http://duckduckgo.com |
| 27 | 5 | 0.12 | 3 | 0.16 | +info@netcraft.com |
| 28 | 4 | 0.10 | 1 | 0.05 | Windows XP |
| 29 | 2 | 0.05 | 2 | 0.11 | Linux [unknown version] |
| 30 | 2 | 0.05 | 1 | 0.05 | X11 |
| 31 | 1 | 0.02 | 1 | 0.05 | http://nmap.org/book/nse.html |
| 32 | 1 | 0.02 | 1 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
