| Used Operating Systems |
| 1 | 35722 | 54.67 | 431 | 8.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13805 | 21.13 | 2788 | 54.16 | Windows NT |
| 3 | 5597 | 8.57 | 544 | 10.57 | +http://ahrefs.com/robot/ |
| 4 | 3189 | 4.88 | 68 | 1.32 | +http://yandex.com/bots |
| 5 | 1427 | 2.18 | 260 | 5.05 | +http://www.google.com/bot.html |
| 6 | 1387 | 2.12 | 264 | 5.13 | help@moz.com |
| 7 | 978 | 1.50 | 7 | 0.14 | http://crawler.sistrix.net/ |
| 8 | 650 | 0.99 | 117 | 2.27 | +http://www.bing.com/bingbot.htm |
| 9 | 543 | 0.83 | 109 | 2.12 | +http://www.linkdex.com/about/bots/ |
| 10 | 501 | 0.77 | 383 | 7.44 | +http://www.baidu.com/search/spider.html |
| 11 | 458 | 0.70 | 14 | 0.27 | +http://siteexplorer.info/ |
| 12 | 246 | 0.38 | 6 | 0.12 | +http://www.seoprofiler.com/bot |
| 13 | 236 | 0.36 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 14 | 150 | 0.23 | 12 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 62 | 0.09 | 7 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 56 | 0.09 | 5 | 0.10 | X11 |
| 17 | 47 | 0.07 | 18 | 0.35 | Windows 98 |
| 18 | 44 | 0.07 | 38 | 0.74 | Windows 95 |
| 19 | 34 | 0.05 | 0 | 0.00 | Android 2.3.5 |
| 20 | 34 | 0.05 | 17 | 0.33 | +http://www.career-x.de/bot.html |
| 21 | 32 | 0.05 | 8 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 30 | 0.05 | 2 | 0.04 | Windows Phone OS 7.5 |
| 23 | 28 | 0.04 | 2 | 0.04 | +http://www.exabot.com/go/robot |
| 24 | 12 | 0.02 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 25 | 10 | 0.02 | 4 | 0.08 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 26 | 10 | 0.02 | 7 | 0.14 | MSIE 5.5; Windows 95 |
| 27 | 8 | 0.01 | 5 | 0.10 | Windows 3.1 |
| 28 | 7 | 0.01 | 7 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 29 | 6 | 0.01 | 6 | 0.12 | Auto; Windows |
| 30 | 6 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 4 | 0.01 | 2 | 0.04 | +http://www.yunyun.com/spider.html |
| 32 | 4 | 0.01 | 1 | 0.02 | Windows XP |
| 33 | 3 | 0.00 | 3 | 0.06 | Windows 2000 |
| 34 | 3 | 0.00 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 35 | 2 | 0.00 | 2 | 0.04 | Windows CE |
| 36 | 2 | 0.00 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 37 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 38 | 2 | 0.00 | 0 | 0.00 | Trident 4.0; Windows 98;GB;GB; .NET CLR ... |
| 39 | 2 | 0.00 | 2 | 0.04 | Windows ME |
| 40 | 2 | 0.00 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 41 | 2 | 0.00 | 2 | 0.04 | http://www.youdao.com/help/webmaster/spi... |
