| Used Operating Systems |
| 1 | 12055 | 41.21 | 8652 | 61.69 | +http://ahrefs.com/robot/ |
| 2 | 7400 | 25.30 | 104 | 0.74 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4518 | 15.44 | 3682 | 26.25 | +http://www.baidu.com/search/spider.html |
| 4 | 1906 | 6.52 | 18 | 0.13 | http://mj12bot.com/ |
| 5 | 931 | 3.18 | 463 | 3.30 | +http://www.google.com/bot.html |
| 6 | 755 | 2.58 | 97 | 0.69 | Windows NT |
| 7 | 547 | 1.87 | 183 | 1.30 | +http://www.bing.com/bingbot.htm |
| 8 | 149 | 0.51 | 135 | 0.96 | +http://www.linkdex.com/bots/ |
| 9 | 78 | 0.27 | 75 | 0.53 | Windows 9 |
| 10 | 78 | 0.27 | 27 | 0.19 | +http://yandex.com/bots |
| 11 | 76 | 0.26 | 72 | 0.51 | Windows 2003 |
| 12 | 75 | 0.26 | 74 | 0.53 | Windows 2005 |
| 13 | 69 | 0.24 | 49 | 0.35 | +http://www.uptime.com/uptimebot |
| 14 | 66 | 0.23 | 65 | 0.46 | Windows 2006 |
| 15 | 64 | 0.22 | 62 | 0.44 | Windows 2008 |
| 16 | 63 | 0.22 | 61 | 0.43 | Windows 2007 |
| 17 | 63 | 0.22 | 61 | 0.43 | Windows 2002 |
| 18 | 60 | 0.21 | 60 | 0.43 | Windows 2004 |
| 19 | 54 | 0.18 | 19 | 0.14 | +http://www.semrush.com/bot.html |
| 20 | 36 | 0.12 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 21 | 24 | 0.08 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 22 | 22 | 0.08 | 12 | 0.09 | +http://www.exabot.com/go/robot |
| 23 | 20 | 0.07 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 24 | 20 | 0.07 | 5 | 0.04 | +http://duckduckgo.com |
| 25 | 16 | 0.05 | 8 | 0.06 | +http://napoveda.seznam.cz/en/seznambot-... |
| 26 | 15 | 0.05 | 7 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 12 | 0.04 | 3 | 0.02 | +https://gimmeusa.com/crawler.html |
| 28 | 12 | 0.04 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 29 | 10 | 0.03 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 30 | 10 | 0.03 | 1 | 0.01 | +http://megaindex.com/crawler |
| 31 | 9 | 0.03 | 1 | 0.01 | Linux [unknown version] |
| 32 | 8 | 0.03 | 2 | 0.01 | +http://www.profound.net/domainappender |
| 33 | 8 | 0.03 | 1 | 0.01 | +http://siteexplorer.info/ |
| 34 | 6 | 0.02 | 5 | 0.04 | Windows XP |
| 35 | 4 | 0.01 | 2 | 0.01 | +https://www.mojeek.com/bot.html |
| 36 | 2 | 0.01 | 1 | 0.01 | support.orangebot@orange.com |
| 37 | 2 | 0.01 | 1 | 0.01 | http://www.businessseek.biz/ |
| 38 | 2 | 0.01 | 2 | 0.01 | Windows 3.1 |
| 39 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 40 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 1 | 0.01 | +http://pmoz.info/doc/botinfo.htm |
| 42 | 1 | 0.00 | 1 | 0.01 | Windows 95 |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 44 | 1 | 0.00 | 0 | 0.00 | Windows 98 |
| 45 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
