| Used Operating Systems |
| 1 | 37229 | 36.03 | 251 | 2.18 | http://mj12bot.com/ |
| 2 | 29971 | 29.00 | 671 | 5.84 | +http://yandex.com/bots |
| 3 | 20754 | 20.08 | 8996 | 78.27 | +http://ahrefs.com/robot/ |
| 4 | 6604 | 6.39 | 3 | 0.03 | +http://megaindex.com/crawler |
| 5 | 3097 | 3.00 | 402 | 3.50 | Windows NT |
| 6 | 1702 | 1.65 | 11 | 0.10 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1065 | 1.03 | 812 | 7.06 | +http://www.baidu.com/search/spider.html |
| 8 | 1056 | 1.02 | 17 | 0.15 | +http://siteexplorer.info/Backlink-Check... |
| 9 | 675 | 0.65 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 10 | 360 | 0.35 | 104 | 0.90 | +http://www.linkdex.com/bots/ |
| 11 | 288 | 0.28 | 42 | 0.37 | +http://www.google.com/bot.html |
| 12 | 223 | 0.22 | 45 | 0.39 | +http://www.bing.com/bingbot.htm |
| 13 | 71 | 0.07 | 11 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 60 | 0.06 | 14 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 48 | 0.05 | 18 | 0.16 | Windows XP |
| 16 | 36 | 0.03 | 17 | 0.15 | Windows 95 |
| 17 | 23 | 0.02 | 23 | 0.20 | +http://www.uptime.com/uptimebot |
| 18 | 16 | 0.02 | 7 | 0.06 | +http://www.exabot.com/go/robot |
| 19 | 14 | 0.01 | 6 | 0.05 | Windows 98 |
| 20 | 12 | 0.01 | 8 | 0.07 | Windows 3.1 |
| 21 | 8 | 0.01 | 8 | 0.07 | Win32 |
| 22 | 5 | 0.00 | 5 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 23 | 4 | 0.00 | 3 | 0.03 | Windows 2000 |
| 24 | 4 | 0.00 | 2 | 0.02 | Windows CE |
| 25 | 4 | 0.00 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 26 | 4 | 0.00 | 4 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 27 | 2 | 0.00 | 2 | 0.02 | Auto; Windows |
| 28 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 29 | 2 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 30 | 1 | 0.00 | 1 | 0.01 | Windows ME |
