| Used Operating Systems |
| 1 | 82967 | 63.70 | 2159 | 29.20 | +http://www.bing.com/bingbot.htm |
| 2 | 29732 | 22.83 | 459 | 6.21 | http://mj12bot.com/ |
| 3 | 8777 | 6.74 | 643 | 8.70 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 2475 | 1.90 | 2050 | 27.72 | +http://ahrefs.com/robot/ |
| 5 | 1409 | 1.08 | 390 | 5.27 | +http://napoveda.seznam.cz/en/seznambot-... |
| 6 | 1198 | 0.92 | 85 | 1.15 | Windows NT |
| 7 | 917 | 0.70 | 824 | 11.14 | +http://www.baidu.com/search/spider.html |
| 8 | 835 | 0.64 | 359 | 4.85 | +http://www.google.com/bot.html |
| 9 | 785 | 0.60 | 222 | 3.00 | +http://yandex.com/bots |
| 10 | 498 | 0.38 | 2 | 0.03 | Linux i586 [unknown version] |
| 11 | 209 | 0.16 | 45 | 0.61 | +http://www.exabot.com/go/robot |
| 12 | 128 | 0.10 | 44 | 0.59 | +http://webmeup-crawler.com/ |
| 13 | 63 | 0.05 | 9 | 0.12 | Windows 95 |
| 14 | 52 | 0.04 | 50 | 0.68 | +http://www.uptime.com/uptimebot |
| 15 | 28 | 0.02 | 0 | 0.00 | Windows XP |
| 16 | 24 | 0.02 | 6 | 0.08 | http://filterdb.iss.net/crawler/ |
| 17 | 18 | 0.01 | 2 | 0.03 | +http://www.linkdex.com/bots/ |
| 18 | 16 | 0.01 | 4 | 0.05 | +http://alphaseobot.com/bot.html |
| 19 | 14 | 0.01 | 14 | 0.19 | http://cloudsystemnetworks.com |
| 20 | 12 | 0.01 | 4 | 0.05 | Windows 2000 |
| 21 | 12 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 22 | 11 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 23 | 10 | 0.01 | 2 | 0.03 | Windows 98 |
| 24 | 8 | 0.01 | 4 | 0.05 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 25 | 6 | 0.00 | 0 | 0.00 | Windows CE |
| 26 | 6 | 0.00 | 0 | 0.00 | Auto; Windows |
| 27 | 6 | 0.00 | 2 | 0.03 | http://seekport.com/ |
| 28 | 6 | 0.00 | 3 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 29 | 4 | 0.00 | 4 | 0.05 | Windows 2004 |
| 30 | 4 | 0.00 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 31 | 4 | 0.00 | 2 | 0.03 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 32 | 2 | 0.00 | 2 | 0.03 | Windows 2007 |
| 33 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
