| Used Operating Systems |
| 1 | 7936 | 46.70 | 91 | 1.94 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2654 | 15.62 | 2098 | 44.65 | +http://www.baidu.com/search/spider.html |
| 3 | 2236 | 13.16 | 978 | 20.81 | Windows NT |
| 4 | 2114 | 12.44 | 216 | 4.60 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 587 | 3.45 | 338 | 7.19 | +http://www.google.com/bot.html |
| 6 | 467 | 2.75 | 467 | 9.94 | +http://monasterytea.spbdyet.ru |
| 7 | 279 | 1.64 | 124 | 2.64 | +http://www.bing.com/bingbot.htm |
| 8 | 174 | 1.02 | 145 | 3.09 | +http://www.linkdex.com/bots/ |
| 9 | 166 | 0.98 | 73 | 1.55 | +http://yandex.com/bots |
| 10 | 112 | 0.66 | 21 | 0.45 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 40 | 0.24 | 40 | 0.85 | +http://warifort.moykrest.ru/ |
| 12 | 25 | 0.15 | 10 | 0.21 | Windows 95 |
| 13 | 20 | 0.12 | 9 | 0.19 | +http://ahrefs.com/robot/ |
| 14 | 18 | 0.11 | 9 | 0.19 | Windows 98 |
| 15 | 15 | 0.09 | 6 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 16 | 12 | 0.07 | 6 | 0.13 | http://www.searchmetrics.com/en/searchme... |
| 17 | 12 | 0.07 | 6 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 18 | 12 | 0.07 | 6 | 0.13 | +http://www.exabot.com/go/robot |
| 19 | 10 | 0.06 | 5 | 0.11 | +http://duckduckgo.com |
| 20 | 9 | 0.05 | 4 | 0.09 | Auto; Windows |
| 21 | 8 | 0.05 | 4 | 0.09 | +http://help.coccoc.com/ |
| 22 | 8 | 0.05 | 1 | 0.02 | +http://www.xovibot.net/ |
| 23 | 8 | 0.05 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 6 | 0.04 | 3 | 0.06 | Windows 2000 |
| 25 | 6 | 0.04 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 26 | 5 | 0.03 | 5 | 0.11 | info@muso.com; +http://www.muso.com |
| 27 | 5 | 0.03 | 1 | 0.02 | Windows XP |
| 28 | 4 | 0.02 | 2 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 4 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 30 | 4 | 0.02 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 31 | 4 | 0.02 | 4 | 0.09 | +http://domainsigma.com/robot |
| 32 | 3 | 0.02 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 33 | 3 | 0.02 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 34 | 2 | 0.01 | 2 | 0.04 | Windows CE |
| 35 | 2 | 0.01 | 2 | 0.04 | +https://gimmeusa.com/pages/crawler |
| 36 | 2 | 0.01 | 2 | 0.04 | +http://glutenfreepleasure.com/ |
| 37 | 2 | 0.01 | 2 | 0.04 | Linux [unknown version] |
| 38 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://crawler.seolytics.net/ |
| 40 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 41 | 2 | 0.01 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 43 | 2 | 0.01 | 2 | 0.04 | +http://megaindex.com/crawler |
| 44 | 1 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 45 | 1 | 0.01 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 46 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.01 | 1 | 0.02 | Solaris 2.5.x |
| 48 | 1 | 0.01 | 1 | 0.02 | X11 |
| 49 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 50 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
