| Used Operating Systems |
| 1 | 56447 | 46.03 | 310 | 1.39 | http://mj12bot.com/ |
| 2 | 19543 | 15.94 | 875 | 3.92 | +http://yandex.com/bots |
| 3 | 18962 | 15.46 | 15675 | 70.24 | +http://ahrefs.com/robot/ |
| 4 | 7127 | 5.81 | 945 | 4.23 | Windows NT |
| 5 | 6948 | 5.67 | 2 | 0.01 | +http://megaindex.com/crawler |
| 6 | 3009 | 2.45 | 2696 | 12.08 | +http://www.baidu.com/search/spider.html |
| 7 | 2903 | 2.37 | 13 | 0.06 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 2256 | 1.84 | 1104 | 4.95 | +http://www.google.com/bot.html |
| 9 | 2141 | 1.75 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 1231 | 1.00 | 260 | 1.17 | +http://www.linkdex.com/bots/ |
| 11 | 777 | 0.63 | 8 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 12 | 724 | 0.59 | 232 | 1.04 | +http://www.bing.com/bingbot.htm |
| 13 | 254 | 0.21 | 72 | 0.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 54 | 0.04 | 22 | 0.10 | Windows 95 |
| 15 | 48 | 0.04 | 18 | 0.08 | Windows XP |
| 16 | 40 | 0.03 | 4 | 0.02 | +spider@seoscanners.net |
| 17 | 33 | 0.03 | 11 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 26 | 0.02 | 10 | 0.04 | Windows 98 |
| 19 | 23 | 0.02 | 8 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 20 | 20 | 0.02 | 9 | 0.04 | +http://www.uptime.com/uptimebot |
| 21 | 20 | 0.02 | 11 | 0.05 | +http://www.exabot.com/go/robot |
| 22 | 10 | 0.01 | 5 | 0.02 | +http://duckduckgo.com |
| 23 | 7 | 0.01 | 3 | 0.01 | Windows 2000 |
| 24 | 6 | 0.00 | 4 | 0.02 | Windows 3.1 |
| 25 | 5 | 0.00 | 3 | 0.01 | Windows CE |
| 26 | 5 | 0.00 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 27 | 4 | 0.00 | 2 | 0.01 | Auto; Windows |
| 28 | 4 | 0.00 | 2 | 0.01 | http://www.botje.com/plukkie.htm |
| 29 | 3 | 0.00 | 2 | 0.01 | Windows ME |
| 30 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 31 | 3 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 32 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
