| Used Operating Systems |
| 1 | 16577 | 43.86 | 151 | 2.92 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7185 | 19.01 | 1604 | 31.06 | +http://www.xovibot.net/ |
| 3 | 6585 | 17.42 | 24 | 0.46 | +http://ahrefs.com/robot/ |
| 4 | 3201 | 8.47 | 935 | 18.10 | Windows NT |
| 5 | 2338 | 6.19 | 1601 | 31.00 | +http://www.baidu.com/search/spider.html |
| 6 | 935 | 2.47 | 401 | 7.76 | +http://www.bing.com/bingbot.htm |
| 7 | 269 | 0.71 | 88 | 1.70 | +http://www.google.com/bot.html |
| 8 | 124 | 0.33 | 95 | 1.84 | Windows 95 |
| 9 | 111 | 0.29 | 27 | 0.52 | +http://yandex.com/bots |
| 10 | 98 | 0.26 | 36 | 0.70 | +http://www.linkdex.com/bots/ |
| 11 | 74 | 0.20 | 25 | 0.48 | Windows 98 |
| 12 | 40 | 0.11 | 11 | 0.21 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 32 | 0.08 | 4 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 29 | 0.08 | 25 | 0.48 | Auto; Windows |
| 15 | 25 | 0.07 | 3 | 0.06 | Windows XP |
| 16 | 25 | 0.07 | 22 | 0.43 | MSIE 5.5; Windows NT 5.0 |
| 17 | 24 | 0.06 | 20 | 0.39 | Windows 3.1 |
| 18 | 23 | 0.06 | 17 | 0.33 | Windows 2000 |
| 19 | 21 | 0.06 | 16 | 0.31 | Windows ME |
| 20 | 19 | 0.05 | 16 | 0.31 | MSIE 5.5; Windows NT 4.0 |
| 21 | 18 | 0.05 | 17 | 0.33 | ) - BrowseX (2.0.0 Windows |
| 22 | 16 | 0.04 | 13 | 0.25 | Windows CE |
| 23 | 6 | 0.02 | 3 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 6 | 0.02 | 3 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 4 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 26 | 3 | 0.01 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 27 | 2 | 0.01 | 2 | 0.04 | X11 |
| 28 | 1 | 0.00 | 1 | 0.02 | Windows 2004 |
| 29 | 1 | 0.00 | 1 | 0.02 | +http://megaindex.com/crawler |
| 30 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
