| Used Operating Systems |
| 1 | 28767 | 60.11 | 228 | 2.99 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3753 | 7.84 | 3063 | 40.23 | +http://www.baidu.com/search/spider.html |
| 3 | 2819 | 5.89 | 1838 | 24.14 | Windows NT |
| 4 | 2746 | 5.74 | 1255 | 16.48 | +http://www.easou.com/search/spider.html |
| 5 | 2619 | 5.47 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 6 | 1498 | 3.13 | 232 | 3.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1475 | 3.08 | 349 | 4.58 | +http://ahrefs.com/robot/ |
| 8 | 980 | 2.05 | 179 | 2.35 | +http://yandex.com/bots |
| 9 | 829 | 1.73 | 155 | 2.04 | +http://www.bing.com/bingbot.htm |
| 10 | 807 | 1.69 | 56 | 0.74 | Windows 98 |
| 11 | 780 | 1.63 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 12 | 396 | 0.83 | 152 | 2.00 | +http://www.google.com/bot.html |
| 13 | 145 | 0.30 | 13 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 56 | 0.12 | 12 | 0.16 | +http://www.exabot.com/go/robot |
| 15 | 34 | 0.07 | 2 | 0.03 | +http://siteexplorer.info/ |
| 16 | 23 | 0.05 | 4 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 18 | 0.04 | 15 | 0.20 | +http://wmaid.com/explore/ |
| 18 | 14 | 0.03 | 6 | 0.08 | +http://fulltext.sblog.cz/ |
| 19 | 13 | 0.03 | 9 | 0.12 | X11 |
| 20 | 10 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 21 | 8 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 22 | 7 | 0.01 | 7 | 0.09 | Windows 95 |
| 23 | 6 | 0.01 | 2 | 0.03 | +http://inload.in |
| 24 | 6 | 0.01 | 2 | 0.03 | +http://freedlf.com/ |
| 25 | 6 | 0.01 | 3 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 5 | 0.01 | 4 | 0.05 | Windows CE |
| 27 | 5 | 0.01 | 4 | 0.05 | +info@netcraft.com |
| 28 | 5 | 0.01 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 29 | 4 | 0.01 | 2 | 0.03 | +http://www.linkdex.com/bots/ |
| 30 | 3 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 31 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 32 | 3 | 0.01 | 3 | 0.04 | Windows 3.1 |
| 33 | 2 | 0.00 | 2 | 0.03 | Windows 2000 |
| 34 | 2 | 0.00 | 2 | 0.03 | +http://136.186.231.16 |
| 35 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.00 | 2 | 0.03 | Android 2.3.5 |
| 37 | 2 | 0.00 | 1 | 0.01 | Trident/5.0; Windows NT 5.0; FDM; .NET C... |
| 38 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
| 39 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 40 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
