| Used Operating Systems |
| 1 | 18899 | 45.47 | 109 | 3.61 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7398 | 17.80 | 282 | 9.33 | +http://ahrefs.com/robot/ |
| 3 | 6434 | 15.48 | 3 | 0.10 | +http://megaindex.com/crawler |
| 4 | 3346 | 8.05 | 1229 | 40.67 | Windows NT |
| 5 | 2626 | 6.32 | 283 | 9.36 | +http://www.linkdex.com/bots/ |
| 6 | 1436 | 3.45 | 369 | 12.21 | +http://www.google.com/bot.html |
| 7 | 782 | 1.88 | 508 | 16.81 | +http://www.baidu.com/search/spider.html |
| 8 | 327 | 0.79 | 135 | 4.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 142 | 0.34 | 43 | 1.42 | +http://yandex.com/bots |
| 10 | 109 | 0.26 | 42 | 1.39 | +http://www.bing.com/bingbot.htm |
| 11 | 34 | 0.08 | 3 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 12 | 10 | 0.02 | 4 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 8 | 0.02 | 4 | 0.13 | Windows 95 |
| 14 | 4 | 0.01 | 2 | 0.07 | Windows 2000 |
| 15 | 4 | 0.01 | 2 | 0.07 | Linux i686 [unknown version] |
| 16 | 3 | 0.01 | 2 | 0.07 | Windows 98 |
| 17 | 2 | 0.00 | 1 | 0.03 | Windows ME |
| 18 | 2 | 0.00 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
