| Used Operating Systems |
| 1 | 17306 | 90.79 | 271 | 31.70 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 579 | 3.04 | 94 | 10.99 | +http://www.bing.com/bingbot.htm |
| 3 | 519 | 2.72 | 174 | 20.35 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 4 | 231 | 1.21 | 101 | 11.81 | +http://www.google.com/bot.html |
| 5 | 132 | 0.69 | 71 | 8.30 | +http://www.semrush.com/bot.html |
| 6 | 62 | 0.33 | 17 | 1.99 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 54 | 0.28 | 20 | 2.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 47 | 0.25 | 42 | 4.91 | +http://www.baidu.com/search/spider.html |
| 9 | 35 | 0.18 | 18 | 2.11 | +http://yandex.com/bots |
| 10 | 21 | 0.11 | 10 | 1.17 | +http://ahrefs.com/robot/ |
| 11 | 20 | 0.10 | 10 | 1.17 | http://yooz.ir; info@yooz.ir |
| 12 | 16 | 0.08 | 8 | 0.94 | +http://www.seokicks.de/robot.html |
| 13 | 14 | 0.07 | 4 | 0.47 | +http://siteexplorer.info/ |
| 14 | 12 | 0.06 | 7 | 0.82 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 6 | 0.03 | 2 | 0.23 | Windows NT |
| 16 | 4 | 0.02 | 4 | 0.47 | +http://megaindex.com/crawler |
| 17 | 2 | 0.01 | 1 | 0.12 | Windows 98 |
| 18 | 1 | 0.01 | 1 | 0.12 | +info@netcraft.com |
