| Used Operating Systems |
| 1 | 638 | 43.08 | 138 | 25.84 | +http://www.bing.com/bingbot.htm |
| 2 | 337 | 22.75 | 282 | 52.81 | +http://www.baidu.com/search/spider.html |
| 3 | 254 | 17.15 | 20 | 3.75 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 78 | 5.27 | 23 | 4.31 | +http://www.google.com/bot.html |
| 5 | 34 | 2.30 | 18 | 3.37 | +http://www.semrush.com/bot.html |
| 6 | 32 | 2.16 | 13 | 2.43 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 30 | 2.03 | 4 | 0.75 | +http://OpenLinkProfiler.org/bot |
| 8 | 27 | 1.82 | 13 | 2.43 | +http://ahrefs.com/robot/ |
| 9 | 14 | 0.95 | 0 | 0.00 | +http://yandex.com/bots |
| 10 | 11 | 0.74 | 5 | 0.94 | +http://www.exabot.com/go/robot |
| 11 | 8 | 0.54 | 8 | 1.50 | Windows NT |
| 12 | 8 | 0.54 | 4 | 0.75 | http://crawler.sistrix.net/ |
| 13 | 4 | 0.27 | 2 | 0.37 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 4 | 0.27 | 2 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 2 | 0.14 | 2 | 0.37 | +info@netcraft.com |
