| Used Operating Systems |
| 1 | 56834 | 54.07 | 271 | 1.37 | http://mj12bot.com/ |
| 2 | 21789 | 20.73 | 15845 | 80.15 | +http://ahrefs.com/robot/ |
| 3 | 10201 | 9.70 | 561 | 2.84 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 6402 | 6.09 | 2 | 0.01 | +http://megaindex.com/crawler |
| 5 | 3026 | 2.88 | 941 | 4.76 | Windows NT |
| 6 | 1936 | 1.84 | 338 | 1.71 | +http://www.linkdex.com/bots/ |
| 7 | 1493 | 1.42 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 1156 | 1.10 | 302 | 1.53 | +http://www.bing.com/bingbot.htm |
| 9 | 1081 | 1.03 | 983 | 4.97 | +http://www.baidu.com/search/spider.html |
| 10 | 443 | 0.42 | 93 | 0.47 | +http://yandex.com/bots |
| 11 | 374 | 0.36 | 188 | 0.95 | +http://www.google.com/bot.html |
| 12 | 76 | 0.07 | 30 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 61 | 0.06 | 56 | 0.28 | +http://www.uptime.com/uptimebot |
| 14 | 58 | 0.06 | 51 | 0.26 | Windows 95 |
| 15 | 41 | 0.04 | 20 | 0.10 | Windows 98 |
| 16 | 38 | 0.04 | 3 | 0.02 | +http://www.semrush.com/bot.html |
| 17 | 17 | 0.02 | 8 | 0.04 | Windows XP |
| 18 | 14 | 0.01 | 11 | 0.06 | Windows 3.1 |
| 19 | 11 | 0.01 | 10 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 20 | 10 | 0.01 | 9 | 0.05 | Windows 2000 |
| 21 | 10 | 0.01 | 10 | 0.05 | Auto; Windows |
| 22 | 9 | 0.01 | 5 | 0.03 | +http://sur.ly/bot.html |
| 23 | 8 | 0.01 | 8 | 0.04 | Windows ME |
| 24 | 6 | 0.01 | 6 | 0.03 | Windows CE |
| 25 | 6 | 0.01 | 6 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 26 | 5 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 27 | 5 | 0.00 | 5 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 28 | 2 | 0.00 | 1 | 0.01 | +https://deusu.de/robot.html |
| 29 | 1 | 0.00 | 1 | 0.01 | X11 |
| 30 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
