| Used Operating Systems |
| 1 | 37943 | 35.78 | 685 | 3.37 | +http://yandex.com/bots |
| 2 | 19835 | 18.70 | 168 | 0.83 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 15906 | 15.00 | 11857 | 58.26 | +http://ahrefs.com/robot/ |
| 4 | 7076 | 6.67 | 895 | 4.40 | Windows NT |
| 5 | 6798 | 6.41 | 5308 | 26.08 | +http://www.baidu.com/search/spider.html |
| 6 | 6795 | 6.41 | 2 | 0.01 | +http://megaindex.com/crawler |
| 7 | 3960 | 3.73 | 7 | 0.03 | +http://www.warebay.com/bot.html |
| 8 | 3005 | 2.83 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 1515 | 1.43 | 590 | 2.90 | +http://www.google.com/bot.html |
| 10 | 971 | 0.92 | 6 | 0.03 | +http://siteexplorer.info/ |
| 11 | 530 | 0.50 | 222 | 1.09 | +http://www.bing.com/bingbot.htm |
| 12 | 527 | 0.50 | 193 | 0.95 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 507 | 0.48 | 107 | 0.53 | +http://www.linkdex.com/bots/ |
| 14 | 153 | 0.14 | 36 | 0.18 | +http://www.exabot.com/go/robot |
| 15 | 117 | 0.11 | 73 | 0.36 | +http://www.uptime.com/uptimebot |
| 16 | 78 | 0.07 | 60 | 0.29 | Windows 95 |
| 17 | 63 | 0.06 | 26 | 0.13 | Windows 98 |
| 18 | 61 | 0.06 | 13 | 0.06 | +http://sur.ly/bot.html |
| 19 | 27 | 0.03 | 8 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 22 | 0.02 | 14 | 0.07 | Windows CE |
| 21 | 14 | 0.01 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 22 | 14 | 0.01 | 1 | 0.00 | +https://www.dataprovider.com/ |
| 23 | 13 | 0.01 | 12 | 0.06 | +info@netcraft.com |
| 24 | 12 | 0.01 | 7 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 25 | 11 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 26 | 10 | 0.01 | 1 | 0.00 | +spider@seoscanners.net |
| 27 | 10 | 0.01 | 2 | 0.01 | PPC Mac OS X 10.5 |
| 28 | 9 | 0.01 | 9 | 0.04 | Windows 2000 |
| 29 | 9 | 0.01 | 9 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 30 | 9 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 31 | 8 | 0.01 | 8 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 32 | 8 | 0.01 | 4 | 0.02 | +http://duckduckgo.com |
| 33 | 7 | 0.01 | 3 | 0.01 | Windows XP |
| 34 | 7 | 0.01 | 7 | 0.03 | Windows 3.1 |
| 35 | 7 | 0.01 | 5 | 0.02 | Windows ME |
| 36 | 6 | 0.01 | 6 | 0.03 | Auto; Windows |
| 37 | 5 | 0.00 | 1 | 0.00 | J2ME/MIDP |
| 38 | 5 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 39 | 2 | 0.00 | 1 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 40 | 1 | 0.00 | 0 | 0.00 | ; Linux armv5tejl; U |
| 41 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 42 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
