| Used Operating Systems |
| 1 | 13633 | 61.65 | 151 | 3.62 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2707 | 12.24 | 525 | 12.60 | +http://www.bing.com/bingbot.htm |
| 3 | 2300 | 10.40 | 1379 | 33.09 | Windows NT |
| 4 | 1903 | 8.61 | 1709 | 41.01 | +http://www.baidu.com/search/spider.html |
| 5 | 772 | 3.49 | 190 | 4.56 | +http://www.google.com/bot.html |
| 6 | 283 | 1.28 | 22 | 0.53 | +http://yandex.com/bots |
| 7 | 215 | 0.97 | 85 | 2.04 | ezooms.bot@gmail.com |
| 8 | 109 | 0.49 | 62 | 1.49 | +http://help.soso.com/webspider.htm |
| 9 | 66 | 0.30 | 15 | 0.36 | http://crawler.sistrix.net/ |
| 10 | 44 | 0.20 | 2 | 0.05 | +http://www.aihit.com/ |
| 11 | 21 | 0.09 | 3 | 0.07 | +http://siteexplorer.info/ |
| 12 | 17 | 0.08 | 8 | 0.19 | +http://www.exabot.com/go/robot |
| 13 | 12 | 0.05 | 4 | 0.10 | +http://filterdb.iss.net/crawler/ |
| 14 | 6 | 0.03 | 3 | 0.07 | X11 |
| 15 | 6 | 0.03 | 3 | 0.07 | Windows 98 |
| 16 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 17 | 4 | 0.02 | 3 | 0.07 | Android 2.3.5 |
| 18 | 4 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 19 | 4 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 20 | 2 | 0.01 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
