| Used Operating Systems |
| 1 | 18676 | 45.53 | 158 | 2.62 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7160 | 17.46 | 2459 | 40.77 | +http://ahrefs.com/robot/ |
| 3 | 3773 | 9.20 | 1065 | 17.66 | +http://www.baidu.com/search/spider.html |
| 4 | 3311 | 8.07 | 1 | 0.02 | +http://megaindex.com/crawler |
| 5 | 2908 | 7.09 | 1042 | 17.27 | Windows NT |
| 6 | 2648 | 6.46 | 785 | 13.01 | +http://www.google.com/bot.html |
| 7 | 1749 | 4.26 | 228 | 3.78 | +http://www.linkdex.com/bots/ |
| 8 | 275 | 0.67 | 129 | 2.14 | +http://yandex.com/bots |
| 9 | 271 | 0.66 | 20 | 0.33 | Linux [unknown version] |
| 10 | 118 | 0.29 | 50 | 0.83 | +http://www.bing.com/bingbot.htm |
| 11 | 37 | 0.09 | 32 | 0.53 | Linux i686 [unknown version] |
| 12 | 16 | 0.04 | 16 | 0.27 | X11 |
| 13 | 15 | 0.04 | 11 | 0.18 | Windows 98 |
| 14 | 11 | 0.03 | 10 | 0.17 | J2ME/MIDP |
| 15 | 8 | 0.02 | 4 | 0.07 | Windows 95 |
| 16 | 8 | 0.02 | 4 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 17 | 4 | 0.01 | 2 | 0.03 | Windows 2000 |
| 18 | 4 | 0.01 | 2 | 0.03 | Windows CE |
| 19 | 4 | 0.01 | 4 | 0.07 | Windows XP |
| 20 | 4 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 21 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 22 | 4 | 0.01 | 2 | 0.03 | +http://duckduckgo.com |
| 23 | 2 | 0.00 | 1 | 0.02 | Windows ME |
| 24 | 2 | 0.00 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 2 | 0.00 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 26 | 2 | 0.00 | 1 | 0.02 | Android 2.3.5 |
| 27 | 1 | 0.00 | 1 | 0.02 | +info@netcraft.com |
