| Used Operating Systems |
| 1 | 80858 | 42.41 | 389 | 1.53 | http://mj12bot.com/ |
| 2 | 55797 | 29.27 | 963 | 3.78 | +http://yandex.com/bots |
| 3 | 16936 | 8.88 | 13318 | 52.27 | +http://ahrefs.com/robot/ |
| 4 | 13719 | 7.20 | 1616 | 6.34 | Windows NT |
| 5 | 9784 | 5.13 | 7479 | 29.35 | +http://www.baidu.com/search/spider.html |
| 6 | 4826 | 2.53 | 21 | 0.08 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 2002 | 1.05 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 8 | 1915 | 1.00 | 808 | 3.17 | +http://www.google.com/bot.html |
| 9 | 1419 | 0.74 | 267 | 1.05 | +http://www.linkdex.com/bots/ |
| 10 | 1114 | 0.58 | 11 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 11 | 544 | 0.29 | 232 | 0.91 | +http://www.bing.com/bingbot.htm |
| 12 | 518 | 0.27 | 4 | 0.02 | +http://www.warebay.com/bot.html |
| 13 | 422 | 0.22 | 154 | 0.60 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 252 | 0.13 | 3 | 0.01 | Linux [unknown version] |
| 15 | 226 | 0.12 | 70 | 0.27 | +http://www.exabot.com/go/robot |
| 16 | 65 | 0.03 | 22 | 0.09 | +http://sur.ly/bot.html |
| 17 | 51 | 0.03 | 20 | 0.08 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 32 | 0.02 | 8 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 21 | 0.01 | 3 | 0.01 | +spider@seoscanners.net |
| 20 | 19 | 0.01 | 18 | 0.07 | Windows 95 |
| 21 | 19 | 0.01 | 19 | 0.07 | +http://www.uptime.com/uptimebot |
| 22 | 19 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 23 | 12 | 0.01 | 10 | 0.04 | Windows 98 |
| 24 | 11 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 25 | 11 | 0.01 | 10 | 0.04 | +info@netcraft.com |
| 26 | 7 | 0.00 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 27 | 6 | 0.00 | 5 | 0.02 | Windows 2000 |
| 28 | 6 | 0.00 | 3 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 29 | 6 | 0.00 | 4 | 0.02 | Windows XP |
| 30 | 5 | 0.00 | 3 | 0.01 | Windows ME |
| 31 | 4 | 0.00 | 4 | 0.02 | Windows 3.1 |
| 32 | 4 | 0.00 | 4 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 33 | 2 | 0.00 | 2 | 0.01 | Windows CE |
| 34 | 2 | 0.00 | 1 | 0.00 | http://www.botje.com/plukkie.htm |
| 35 | 1 | 0.00 | 1 | 0.00 | Auto; Windows |
| 36 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 37 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 38 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
