| Used Operating Systems |
| 1 | 72418 | 58.78 | 336 | 1.33 | http://mj12bot.com/ |
| 2 | 26525 | 21.53 | 18360 | 72.44 | +http://ahrefs.com/robot/ |
| 3 | 11485 | 9.32 | 1488 | 5.87 | Windows NT |
| 4 | 4414 | 3.58 | 3445 | 13.59 | +http://www.baidu.com/search/spider.html |
| 5 | 1773 | 1.44 | 5 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 6 | 1737 | 1.41 | 262 | 1.03 | +http://www.linkdex.com/bots/ |
| 7 | 1627 | 1.32 | 146 | 0.58 | +http://yandex.com/bots |
| 8 | 1122 | 0.91 | 351 | 1.38 | +http://www.bing.com/bingbot.htm |
| 9 | 1039 | 0.84 | 559 | 2.21 | +http://www.google.com/bot.html |
| 10 | 603 | 0.49 | 50 | 0.20 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 89 | 0.07 | 79 | 0.31 | Windows 95 |
| 12 | 77 | 0.06 | 63 | 0.25 | +http://www.uptime.com/uptimebot |
| 13 | 61 | 0.05 | 31 | 0.12 | Windows 98 |
| 14 | 27 | 0.02 | 23 | 0.09 | Auto; Windows |
| 15 | 27 | 0.02 | 15 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 21 | 0.02 | 20 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 17 | 20 | 0.02 | 17 | 0.07 | Windows CE |
| 18 | 19 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 18 | 0.01 | 8 | 0.03 | Windows XP |
| 20 | 18 | 0.01 | 17 | 0.07 | Windows ME |
| 21 | 17 | 0.01 | 14 | 0.06 | Windows 3.1 |
| 22 | 16 | 0.01 | 16 | 0.06 | Windows 2000 |
| 23 | 14 | 0.01 | 13 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 24 | 14 | 0.01 | 14 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 25 | 11 | 0.01 | 7 | 0.03 | +http://sur.ly/bot.html |
| 26 | 2 | 0.00 | 2 | 0.01 | +http://www.id-search.xyz/bot.html |
| 27 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 28 | 2 | 0.00 | 2 | 0.01 | X11 |
| 29 | 1 | 0.00 | 1 | 0.00 | Series 60 |
| 30 | 1 | 0.00 | 1 | 0.00 | SunOS sun4u |
