| Used Operating Systems |
| 1 | 24181 | 40.61 | 221 | 1.53 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12627 | 21.21 | 9235 | 63.81 | +http://ahrefs.com/robot/ |
| 3 | 4007 | 6.73 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 4 | 3910 | 6.57 | 288 | 1.99 | +http://yandex.com/bots |
| 5 | 3406 | 5.72 | 759 | 5.24 | Windows NT |
| 6 | 3376 | 5.67 | 1 | 0.01 | +http://megaindex.com/crawler |
| 7 | 2695 | 4.53 | 2331 | 16.11 | +http://www.baidu.com/search/spider.html |
| 8 | 2394 | 4.02 | 796 | 5.50 | +http://www.google.com/bot.html |
| 9 | 714 | 1.20 | 6 | 0.04 | +http://siteexplorer.info/ |
| 10 | 691 | 1.16 | 271 | 1.87 | +http://www.xovibot.net/ |
| 11 | 605 | 1.02 | 254 | 1.75 | +http://www.bing.com/bingbot.htm |
| 12 | 282 | 0.47 | 49 | 0.34 | +http://www.linkdex.com/bots/ |
| 13 | 250 | 0.42 | 40 | 0.28 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 68 | 0.11 | 49 | 0.34 | Windows 95 |
| 15 | 48 | 0.08 | 9 | 0.06 | +spider@seoscanners.net |
| 16 | 44 | 0.07 | 18 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 38 | 0.06 | 15 | 0.10 | Windows XP |
| 18 | 36 | 0.06 | 21 | 0.15 | Windows 98 |
| 19 | 30 | 0.05 | 16 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 20 | 28 | 0.05 | 14 | 0.10 | +http://duckduckgo.com |
| 21 | 19 | 0.03 | 12 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 22 | 18 | 0.03 | 16 | 0.11 | Windows CE |
| 23 | 12 | 0.02 | 9 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 24 | 12 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 25 | 11 | 0.02 | 4 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 26 | 10 | 0.02 | 8 | 0.06 | Auto; Windows |
| 27 | 9 | 0.02 | 7 | 0.05 | Windows 2000 |
| 28 | 8 | 0.01 | 4 | 0.03 | +http://www.exabot.com/go/robot |
| 29 | 7 | 0.01 | 6 | 0.04 | Windows 3.1 |
| 30 | 4 | 0.01 | 4 | 0.03 | Windows ME |
| 31 | 3 | 0.01 | 3 | 0.02 | +http://www.uptime.com/uptimebot |
| 32 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
