| Used Operating Systems |
| 1 | 23817 | 56.79 | 189 | 2.59 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9684 | 23.09 | 4111 | 56.32 | +http://ahrefs.com/robot/ |
| 3 | 2703 | 6.44 | 915 | 12.53 | Windows NT |
| 4 | 2229 | 5.31 | 916 | 12.55 | +http://www.baidu.com/search/spider.html |
| 5 | 1173 | 2.80 | 208 | 2.85 | +http://www.linkdex.com/bots/ |
| 6 | 971 | 2.32 | 461 | 6.32 | +http://www.google.com/bot.html |
| 7 | 531 | 1.27 | 116 | 1.59 | +http://www.semrush.com/bot.html |
| 8 | 282 | 0.67 | 125 | 1.71 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 266 | 0.63 | 135 | 1.85 | +http://yandex.com/bots |
| 10 | 166 | 0.40 | 38 | 0.52 | +http://www.bing.com/bingbot.htm |
| 11 | 31 | 0.07 | 25 | 0.34 | Windows 95 |
| 12 | 21 | 0.05 | 9 | 0.12 | +spider@seoscanners.net |
| 13 | 20 | 0.05 | 13 | 0.18 | Windows 98 |
| 14 | 9 | 0.02 | 7 | 0.10 | Windows XP |
| 15 | 6 | 0.01 | 4 | 0.05 | Windows ME |
| 16 | 5 | 0.01 | 4 | 0.05 | Windows 2000 |
| 17 | 5 | 0.01 | 5 | 0.07 | Auto; Windows |
| 18 | 5 | 0.01 | 5 | 0.07 | Windows 3.1 |
| 19 | 5 | 0.01 | 4 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 20 | 5 | 0.01 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 21 | 4 | 0.01 | 3 | 0.04 | Windows CE |
| 22 | 2 | 0.00 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 23 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
