| Used Operating Systems |
| 1 | 51336 | 47.17 | 724 | 6.20 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 30968 | 28.45 | 498 | 4.26 | Windows NT |
| 3 | 11974 | 11.00 | 9111 | 78.02 | +http://ahrefs.com/robot/ |
| 4 | 9152 | 8.41 | 188 | 1.61 | +http://www.bing.com/bingbot.htm |
| 5 | 3145 | 2.89 | 191 | 1.64 | +http://yandex.com/bots |
| 6 | 953 | 0.88 | 183 | 1.57 | +http://www.linkdex.com/bots/ |
| 7 | 482 | 0.44 | 458 | 3.92 | +http://www.baidu.com/search/spider.html |
| 8 | 386 | 0.35 | 117 | 1.00 | +http://www.google.com/bot.html |
| 9 | 274 | 0.25 | 101 | 0.86 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 41 | 0.04 | 13 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 19 | 0.02 | 10 | 0.09 | Windows 98 |
| 12 | 17 | 0.02 | 17 | 0.15 | Windows 95 |
| 13 | 16 | 0.01 | 4 | 0.03 | +http://siteexplorer.info/ |
| 14 | 13 | 0.01 | 12 | 0.10 | Windows 2000 |
| 15 | 13 | 0.01 | 8 | 0.07 | Windows XP |
| 16 | 9 | 0.01 | 9 | 0.08 | +http://www.xovibot.net/ |
| 17 | 6 | 0.01 | 5 | 0.04 | Windows ME |
| 18 | 6 | 0.01 | 6 | 0.05 | Windows 3.1 |
| 19 | 6 | 0.01 | 6 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 20 | 4 | 0.00 | 4 | 0.03 | Auto; Windows |
| 21 | 4 | 0.00 | 4 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 22 | 4 | 0.00 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 23 | 3 | 0.00 | 3 | 0.03 | Windows CE |
| 24 | 2 | 0.00 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 25 | 2 | 0.00 | 2 | 0.02 | +info@netcraft.com |
