| Used Operating Systems |
| 1 | 11815 | 76.42 | 145 | 9.28 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1376 | 8.90 | 860 | 55.06 | +http://www.baidu.com/search/spider.html |
| 3 | 604 | 3.91 | 248 | 15.88 | Windows NT |
| 4 | 536 | 3.47 | 4 | 0.26 | +http://OpenLinkProfiler.org/bot |
| 5 | 404 | 2.61 | 123 | 7.87 | +http://ahrefs.com/robot/ |
| 6 | 259 | 1.68 | 51 | 3.27 | +http://yandex.com/bots |
| 7 | 137 | 0.89 | 32 | 2.05 | +http://www.google.com/bot.html |
| 8 | 106 | 0.69 | 23 | 1.47 | +http://www.exabot.com/go/robot |
| 9 | 62 | 0.40 | 8 | 0.51 | help@moz.com |
| 10 | 44 | 0.28 | 20 | 1.28 | +http://www.bing.com/bingbot.htm |
| 11 | 28 | 0.18 | 10 | 0.64 | +http://www.linkdex.com/about/bots/ |
| 12 | 22 | 0.14 | 4 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 14 | 0.09 | 2 | 0.13 | J2ME/MIDP |
| 14 | 8 | 0.05 | 4 | 0.26 | http://crawler.sistrix.net/ |
| 15 | 8 | 0.05 | 8 | 0.51 | Linux i686 [unknown version] |
| 16 | 6 | 0.04 | 3 | 0.19 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 5 | 0.03 | 5 | 0.32 | Windows 95 |
| 18 | 4 | 0.03 | 4 | 0.26 | Windows CE |
| 19 | 4 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 20 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 21 | 3 | 0.02 | 0 | 0.00 | X11 |
| 22 | 2 | 0.01 | 2 | 0.13 | Auto; Windows |
| 23 | 2 | 0.01 | 2 | 0.13 | Windows 3.1 |
| 24 | 2 | 0.01 | 2 | 0.13 | FreeBSD [unknown version] |
| 25 | 2 | 0.01 | 0 | 0.00 | Windows 98 |
| 26 | 1 | 0.01 | 1 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 27 | 1 | 0.01 | 1 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 28 | 1 | 0.01 | 0 | 0.00 | Android 2.3.5 |
