| Used Operating Systems |
| 1 | 10794 | 63.45 | 3241 | 56.30 | Windows NT |
| 2 | 2297 | 13.50 | 1965 | 34.13 | +http://www.baidu.com/search/spider.html |
| 3 | 1740 | 10.23 | 55 | 0.96 | +http://yandex.com/bots |
| 4 | 622 | 3.66 | 128 | 2.22 | +http://www.google.com/bot.html |
| 5 | 523 | 3.07 | 15 | 0.26 | Windows 98 |
| 6 | 448 | 2.63 | 205 | 3.56 | +http://www.bing.com/bingbot.htm |
| 7 | 139 | 0.82 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 8 | 72 | 0.42 | 23 | 0.40 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 61 | 0.36 | 31 | 0.54 | +http://www.exabot.com/go/robot |
| 10 | 59 | 0.35 | 11 | 0.19 | X11 |
| 11 | 47 | 0.28 | 12 | 0.21 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 43 | 0.25 | 12 | 0.21 | help@moz.com |
| 13 | 27 | 0.16 | 4 | 0.07 | Android 2.3.5 |
| 14 | 12 | 0.07 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 15 | 12 | 0.07 | 5 | 0.09 | http://crawler.sistrix.net/ |
| 16 | 12 | 0.07 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 17 | 12 | 0.07 | 6 | 0.10 | +http://fulltext.sblog.cz/ |
| 18 | 10 | 0.06 | 5 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 10 | 0.06 | 5 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 10 | 0.06 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 21 | 8 | 0.05 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 22 | 8 | 0.05 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 23 | 6 | 0.04 | 3 | 0.05 | +http://help.coccoc.com/ |
| 24 | 5 | 0.03 | 5 | 0.09 | Windows 95 |
| 25 | 4 | 0.02 | 2 | 0.03 | +http://www.infohelfer.de/crawler.php |
| 26 | 4 | 0.02 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 4 | 0.02 | 2 | 0.03 | +http://SiteExplorer.Info/ |
| 28 | 3 | 0.02 | 0 | 0.00 | Win32 |
| 29 | 3 | 0.02 | 3 | 0.05 | Windows ME |
| 30 | 3 | 0.02 | 3 | 0.05 | Linux i686 [unknown version] |
| 31 | 3 | 0.02 | 2 | 0.03 | +info@netcraft.com |
| 32 | 3 | 0.02 | 1 | 0.02 | +http://siteexplorer.info/ |
| 33 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 34 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 35 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 36 | 2 | 0.01 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 37 | 1 | 0.01 | 1 | 0.02 | http://www.youdao.com/help/webmaster/spi... |
