| Used Operating Systems |
| 1 | 4818 | 31.71 | 57 | 2.79 | http://mj12bot.com/ |
| 2 | 2672 | 17.59 | 368 | 18.02 | Windows NT |
| 3 | 2307 | 15.18 | 30 | 1.47 | +http://www.semrush.com/bot.html |
| 4 | 2307 | 15.18 | 17 | 0.83 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 974 | 6.41 | 802 | 39.28 | +http://ahrefs.com/robot/ |
| 6 | 630 | 4.15 | 70 | 3.43 | +http://www.bing.com/bingbot.htm |
| 7 | 538 | 3.54 | 178 | 8.72 | +http://yandex.com/bots |
| 8 | 409 | 2.69 | 379 | 18.56 | +http://www.baidu.com/search/spider.html |
| 9 | 312 | 2.05 | 24 | 1.18 | +http://www.google.com/bot.html |
| 10 | 138 | 0.91 | 51 | 2.50 | +http://www.linkdex.com/bots/ |
| 11 | 46 | 0.30 | 24 | 1.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 10 | 0.07 | 10 | 0.49 | Windows 95 |
| 13 | 9 | 0.06 | 9 | 0.44 | Windows 98 |
| 14 | 6 | 0.04 | 6 | 0.29 | Windows XP |
| 15 | 4 | 0.03 | 4 | 0.20 | Auto; Windows |
| 16 | 3 | 0.02 | 3 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 17 | 3 | 0.02 | 3 | 0.15 | ) - BrowseX (2.0.0 Windows |
| 18 | 2 | 0.01 | 2 | 0.10 | Windows 2000 |
| 19 | 2 | 0.01 | 2 | 0.10 | Windows ME |
| 20 | 2 | 0.01 | 1 | 0.05 | +http://www.exabot.com/go/robot |
| 21 | 1 | 0.01 | 1 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 22 | 1 | 0.01 | 1 | 0.05 | Windows 3.1 |
