| Used Operating Systems |
| 1 | 37828 | 58.98 | 551 | 6.81 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10986 | 17.13 | 5604 | 69.22 | +http://ahrefs.com/robot/ |
| 3 | 8210 | 12.80 | 300 | 3.71 | +http://www.semrush.com/bot.html |
| 4 | 3653 | 5.70 | 247 | 3.05 | +http://yandex.com/bots |
| 5 | 1274 | 1.99 | 413 | 5.10 | Windows NT |
| 6 | 886 | 1.38 | 289 | 3.57 | +http://www.google.com/bot.html |
| 7 | 462 | 0.72 | 246 | 3.04 | +http://www.bing.com/bingbot.htm |
| 8 | 258 | 0.40 | 232 | 2.87 | +http://www.baidu.com/search/spider.html |
| 9 | 246 | 0.38 | 67 | 0.83 | +http://www.linkdex.com/bots/ |
| 10 | 76 | 0.12 | 2 | 0.02 | https://nmap.org/book/nse.html |
| 11 | 56 | 0.09 | 46 | 0.57 | +http://www.xovibot.net/ |
| 12 | 47 | 0.07 | 15 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 24 | 0.04 | 10 | 0.12 | Windows 95 |
| 14 | 23 | 0.04 | 9 | 0.11 | +http://www.exabot.com/go/robot |
| 15 | 19 | 0.03 | 11 | 0.14 | Windows 98 |
| 16 | 18 | 0.03 | 6 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 17 | 7 | 0.01 | 5 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 18 | 6 | 0.01 | 6 | 0.07 | Windows ME |
| 19 | 6 | 0.01 | 6 | 0.07 | +http://www.uptime.com/uptimebot |
| 20 | 6 | 0.01 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 21 | 6 | 0.01 | 2 | 0.02 | +http://www.profound.net/domainappender |
| 22 | 4 | 0.01 | 4 | 0.05 | Windows CE |
| 23 | 4 | 0.01 | 4 | 0.05 | Linux [unknown version] |
| 24 | 4 | 0.01 | 3 | 0.04 | Windows XP |
| 25 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 26 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 27 | 4 | 0.01 | 2 | 0.02 | +http://domainsigma.com/robot |
| 28 | 3 | 0.00 | 3 | 0.04 | Auto; Windows |
| 29 | 3 | 0.00 | 3 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 30 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 31 | 2 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 32 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 33 | 2 | 0.00 | 2 | 0.02 | +http://megaindex.com/crawler |