| Used Operating Systems |
| 1 | 18659 | 73.53 | 795 | 35.15 | +http://yandex.com/bots |
| 2 | 3130 | 12.33 | 64 | 2.83 | http://mj12bot.com/ |
| 3 | 1202 | 4.74 | 387 | 17.11 | Windows NT |
| 4 | 945 | 3.72 | 778 | 34.39 | +http://www.baidu.com/search/spider.html |
| 5 | 868 | 3.42 | 7 | 0.31 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 221 | 0.87 | 112 | 4.95 | +http://www.google.com/bot.html |
| 7 | 128 | 0.50 | 79 | 3.49 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 99 | 0.39 | 1 | 0.04 | +http://www.linkpad.ru |
| 9 | 56 | 0.22 | 19 | 0.84 | +http://www.linkdex.com/bots/ |
| 10 | 42 | 0.17 | 4 | 0.18 | +http://www.bing.com/bingbot.htm |
| 11 | 10 | 0.04 | 3 | 0.13 | Windows 98 |
| 12 | 4 | 0.02 | 2 | 0.09 | Wayback Machine Live Record; +http://arc... |
| 13 | 2 | 0.01 | 2 | 0.09 | Auto; Windows |
| 14 | 2 | 0.01 | 2 | 0.09 | Windows XP |
| 15 | 2 | 0.01 | 2 | 0.09 | Windows 95 |
| 16 | 2 | 0.01 | 1 | 0.04 | http://filterdb.iss.net/crawler/ |
| 17 | 1 | 0.00 | 1 | 0.04 | Windows CE |
| 18 | 1 | 0.00 | 1 | 0.04 | Windows 2000 |
| 19 | 1 | 0.00 | 1 | 0.04 | Windows 3.1 |
| 20 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 21 | 1 | 0.00 | 1 | 0.04 | +info@netcraft.com |
