| Used Operating Systems |
| 1 | 24583 | 73.24 | 404 | 16.76 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3506 | 10.45 | 195 | 8.09 | +http://yandex.com/bots |
| 3 | 2156 | 6.42 | 790 | 32.77 | Windows NT |
| 4 | 1002 | 2.99 | 418 | 17.34 | +http://www.baidu.com/search/spider.html |
| 5 | 562 | 1.67 | 132 | 5.47 | +http://www.linkdex.com/bots/ |
| 6 | 503 | 1.50 | 117 | 4.85 | +http://www.bing.com/bingbot.htm |
| 7 | 350 | 1.04 | 94 | 3.90 | +http://www.google.com/bot.html |
| 8 | 151 | 0.45 | 49 | 2.03 | Windows XP |
| 9 | 141 | 0.42 | 6 | 0.25 | +http://www.semrush.com/bot.html |
| 10 | 129 | 0.38 | 55 | 2.28 | Windows 95 |
| 11 | 104 | 0.31 | 44 | 1.82 | Windows 98 |
| 12 | 82 | 0.24 | 4 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 74 | 0.22 | 9 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 32 | 0.10 | 12 | 0.50 | MSIE 5.5; Windows NT 5.0 |
| 15 | 26 | 0.08 | 10 | 0.41 | Windows ME |
| 16 | 23 | 0.07 | 13 | 0.54 | MSIE 5.5; Windows NT 4.0 |
| 17 | 19 | 0.06 | 12 | 0.50 | Auto; Windows |
| 18 | 15 | 0.04 | 9 | 0.37 | Windows 3.1 |
| 19 | 13 | 0.04 | 1 | 0.04 | +http://megaindex.com/crawler |
| 20 | 13 | 0.04 | 1 | 0.04 | +https://www.dataprovider.com/ |
| 21 | 11 | 0.03 | 11 | 0.46 | Windows 2000 |
| 22 | 10 | 0.03 | 2 | 0.08 | crawler@mixrank.com |
| 23 | 10 | 0.03 | 7 | 0.29 | ) - BrowseX (2.0.0 Windows |
| 24 | 10 | 0.03 | 5 | 0.21 | +http://duckduckgo.com |
| 25 | 8 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 26 | 6 | 0.02 | 4 | 0.17 | Windows CE |
| 27 | 4 | 0.01 | 0 | 0.00 | Windows 92 |
| 28 | 4 | 0.01 | 2 | 0.08 | +info@netcraft.com |
| 29 | 4 | 0.01 | 1 | 0.04 | +http://www.uptime.com/uptimebot |
| 30 | 4 | 0.01 | 2 | 0.08 | +http://domainsigma.com/robot |
| 31 | 3 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 32 | 2 | 0.01 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 33 | 2 | 0.01 | 2 | 0.08 | Linux i586 [unknown version] |
| 34 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
