| Used Operating Systems |
| 1 | 63042 | 68.91 | 400 | 4.14 | http://mj12bot.com/ |
| 2 | 8586 | 9.39 | 4578 | 47.35 | +http://ahrefs.com/robot/ |
| 3 | 5603 | 6.12 | 2264 | 23.42 | +http://www.baidu.com/search/spider.html |
| 4 | 5274 | 5.77 | 1100 | 11.38 | Windows NT |
| 5 | 3358 | 3.67 | 206 | 2.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 2143 | 2.34 | 364 | 3.76 | +http://www.linkdex.com/bots/ |
| 7 | 1585 | 1.73 | 320 | 3.31 | +http://www.bing.com/bingbot.htm |
| 8 | 759 | 0.83 | 201 | 2.08 | +http://www.google.com/bot.html |
| 9 | 364 | 0.40 | 48 | 0.50 | +http://yandex.com/bots |
| 10 | 192 | 0.21 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 11 | 144 | 0.16 | 65 | 0.67 | Windows 95 |
| 12 | 94 | 0.10 | 9 | 0.09 | Windows 98 |
| 13 | 64 | 0.07 | 1 | 0.01 | +http://megaindex.com/crawler |
| 14 | 36 | 0.04 | 16 | 0.17 | Windows 2000 |
| 15 | 33 | 0.04 | 19 | 0.20 | Auto; Windows |
| 16 | 26 | 0.03 | 13 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 17 | 23 | 0.03 | 0 | 0.00 | Windows XP |
| 18 | 23 | 0.03 | 13 | 0.13 | MSIE 5.5; Windows NT 4.0 |
| 19 | 22 | 0.02 | 10 | 0.10 | Windows CE |
| 20 | 22 | 0.02 | 8 | 0.08 | Windows 3.1 |
| 21 | 21 | 0.02 | 6 | 0.06 | Windows ME |
| 22 | 20 | 0.02 | 4 | 0.04 | +http://www.exabot.com/go/robot |
| 23 | 12 | 0.01 | 9 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 24 | 9 | 0.01 | 3 | 0.03 | +info@netcraft.com |
| 25 | 9 | 0.01 | 4 | 0.04 | +http://www.uptime.com/uptimebot |
| 26 | 5 | 0.01 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 4 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 3 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 29 | 3 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 30 | 2 | 0.00 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 31 | 2 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
