| Used Operating Systems |
| 1 | 2223 | 42.75 | 2035 | 54.70 | +http://www.baidu.com/search/spider.html |
| 2 | 1719 | 33.06 | 1174 | 31.56 | Windows NT |
| 3 | 490 | 9.42 | 263 | 7.07 | +http://www.bing.com/bingbot.htm |
| 4 | 199 | 3.83 | 47 | 1.26 | +http://yandex.com/bots |
| 5 | 127 | 2.44 | 31 | 0.83 | +http://www.google.com/bot.html |
| 6 | 102 | 1.96 | 45 | 1.21 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 44 | 0.85 | 21 | 0.56 | +http://www.exabot.com/go/robot |
| 8 | 42 | 0.81 | 18 | 0.48 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 33 | 0.63 | 18 | 0.48 | +http://ahrefs.com/robot/ |
| 10 | 24 | 0.46 | 3 | 0.08 | http://crawler.sistrix.net/ |
| 11 | 24 | 0.46 | 2 | 0.05 | +http://www.linkpad.ru |
| 12 | 24 | 0.46 | 11 | 0.30 | +http://fulltext.sblog.cz/ |
| 13 | 20 | 0.38 | 10 | 0.27 | MSIE 5.5; Windows NT 5.0 |
| 14 | 18 | 0.35 | 3 | 0.08 | Windows 98 |
| 15 | 16 | 0.31 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 16 | 12 | 0.23 | 3 | 0.08 | Windows XP |
| 17 | 10 | 0.19 | 1 | 0.03 | http://www.lipperhey.com/ |
| 18 | 10 | 0.19 | 4 | 0.11 | +http://gimme60.com |
| 19 | 10 | 0.19 | 2 | 0.05 | +http://u12files.com/ |
| 20 | 6 | 0.12 | 2 | 0.05 | +http://freedlf.com/ |
| 21 | 4 | 0.08 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 4 | 0.08 | 2 | 0.05 | Macintosh PPC |
| 23 | 4 | 0.08 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 4 | 0.08 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 4 | 0.08 | 0 | 0.00 | Linux 2.4.x |
| 26 | 4 | 0.08 | 2 | 0.05 | +info@netcraft.com |
| 27 | 4 | 0.08 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 2 | 0.04 | 0 | 0.00 | Win32 |
| 29 | 2 | 0.04 | 1 | 0.03 | MSIE 9.0; Windows NT 6.1; en-US |
| 30 | 2 | 0.04 | 2 | 0.05 | Linux [unknown version] |
| 31 | 2 | 0.04 | 1 | 0.03 | +http://www.semrush.com/bot.html |
| 32 | 2 | 0.04 | 2 | 0.05 | +http://wmaid.com/explore/ |
| 33 | 1 | 0.02 | 1 | 0.03 | http://www.yoono.com/ |
| 34 | 1 | 0.02 | 1 | 0.03 | +http://136.186.231.16 |
| 35 | 1 | 0.02 | 1 | 0.03 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 36 | 1 | 0.02 | 1 | 0.03 | TVMate; Linux 2.2 |
| 37 | 1 | 0.02 | 1 | 0.03 | Website Thumbnail Generator; +http://web... |
| 38 | 1 | 0.02 | 1 | 0.03 | +http://www.xmarks.com/about/crawler; in... |
| 39 | 1 | 0.02 | 1 | 0.03 | +http://bixolabs.com/crawler/general; cr... |
| 40 | 1 | 0.02 | 1 | 0.03 | +http://ego.ms.mff.cuni.cz/ |
| 41 | 1 | 0.02 | 1 | 0.03 | +http://www.alexa.com/help/webmasters; s... |
