| Used Operating Systems |
| 1 | 33857 | 37.61 | 332 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 25937 | 28.81 | 17075 | 73.41 | +http://www.baidu.com/search/spider.html |
| 3 | 13368 | 14.85 | 23 | 0.10 | http://uptimefiles.com |
| 4 | 3772 | 4.19 | 1139 | 4.90 | Windows NT |
| 5 | 3092 | 3.43 | 1643 | 7.06 | +http://www.google.com/bot.html |
| 6 | 2901 | 3.22 | 1315 | 5.65 | +http://www.bing.com/bingbot.htm |
| 7 | 2421 | 2.69 | 92 | 0.40 | +http://www.semrush.com/bot.html |
| 8 | 1096 | 1.22 | 434 | 1.87 | +http://www.linkdex.com/bots/ |
| 9 | 615 | 0.68 | 242 | 1.04 | +http://ahrefs.com/robot/ |
| 10 | 591 | 0.66 | 235 | 1.01 | +http://yandex.com/bots |
| 11 | 372 | 0.41 | 262 | 1.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 280 | 0.31 | 2 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 13 | 252 | 0.28 | 3 | 0.01 | Linux [unknown version] |
| 14 | 201 | 0.22 | 1 | 0.00 | +http://megaindex.com/crawler |
| 15 | 171 | 0.19 | 126 | 0.54 | +http://www.xovibot.net/ |
| 16 | 151 | 0.17 | 71 | 0.31 | +http://www.exabot.com/go/robot |
| 17 | 132 | 0.15 | 22 | 0.09 | +http://www.profound.net/domainappender |
| 18 | 108 | 0.12 | 61 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 102 | 0.11 | 1 | 0.00 | +http://webmeup-crawler.com/ |
| 20 | 72 | 0.08 | 17 | 0.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 21 | 58 | 0.06 | 1 | 0.00 | +http://www.seograph.net/bot.html |
| 22 | 52 | 0.06 | 28 | 0.12 | Windows 95 |
| 23 | 47 | 0.05 | 25 | 0.11 | +http://www.proximic.com/info/spider.php |
| 24 | 46 | 0.05 | 8 | 0.03 | +http://fulltext.sblog.cz/ |
| 25 | 36 | 0.04 | 9 | 0.04 | Windows 98 |
| 26 | 30 | 0.03 | 7 | 0.03 | +https://www.mojeek.com/bot.html |
| 27 | 24 | 0.03 | 4 | 0.02 | PPC Mac OS X Mach-O |
| 28 | 24 | 0.03 | 1 | 0.00 | +; |
| 29 | 18 | 0.02 | 9 | 0.04 | +http://duckduckgo.com |
| 30 | 17 | 0.02 | 7 | 0.03 | Linux i686 [unknown version] |
| 31 | 16 | 0.02 | 6 | 0.03 | Intel Mac OS X |
| 32 | 16 | 0.02 | 3 | 0.01 | Intel Mac OS X 10.6 |
| 33 | 12 | 0.01 | 5 | 0.02 | +http://help.coccoc.com/ |
| 34 | 12 | 0.01 | 1 | 0.00 | +https://www.lipperhey.com/en/about/ |
| 35 | 11 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 36 | 10 | 0.01 | 3 | 0.01 | X11 |
| 37 | 10 | 0.01 | 5 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 10 | 0.01 | 5 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 8 | 0.01 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 40 | 8 | 0.01 | 2 | 0.01 | Windows XP |
| 41 | 6 | 0.01 | 4 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 42 | 6 | 0.01 | 3 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 43 | 5 | 0.01 | 3 | 0.01 | Windows 2000 |
| 44 | 5 | 0.01 | 4 | 0.02 | Auto; Windows |
| 45 | 5 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 46 | 4 | 0.00 | 2 | 0.01 | Windows ME |
| 47 | 4 | 0.00 | 3 | 0.01 | Windows 3.1 |
| 48 | 3 | 0.00 | 1 | 0.00 | Windows CE |
| 49 | 3 | 0.00 | 0 | 0.00 | BeOS BePC |
| 50 | 3 | 0.00 | 1 | 0.00 | PPC Mac OS X |
| 51 | 3 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 52 | 2 | 0.00 | 1 | 0.00 | PPC Mac OS X 10.4 |
| 53 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 54 | 2 | 0.00 | 1 | 0.00 | +http://www.bigbozz.com/ |
| 55 | 2 | 0.00 | 0 | 0.00 | Haiku BePC |
| 56 | 1 | 0.00 | 1 | 0.00 | +http://glutenfreepleasure.com/ |
| 57 | 1 | 0.00 | 1 | 0.00 | +http://www.forensiq.com |
| 58 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.8 |
| 59 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 60 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 61 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X Mach-O |
