| Used Operating Systems |
| 1 | 21049 | 31.37 | 663 | 4.48 | +http://yandex.com/bots |
| 2 | 21030 | 31.34 | 303 | 2.05 | http://mj12bot.com/ |
| 3 | 12261 | 18.27 | 6957 | 47.05 | +http://ahrefs.com/robot/ |
| 4 | 4628 | 6.90 | 3016 | 20.40 | +http://www.baidu.com/search/spider.html |
| 5 | 1534 | 2.29 | 10 | 0.07 | +http://siteexplorer.info/Backlink-Check... |
| 6 | 1258 | 1.87 | 431 | 2.91 | Windows NT |
| 7 | 772 | 1.15 | 381 | 2.58 | +http://www.google.com/bot.html |
| 8 | 739 | 1.10 | 243 | 1.64 | +http://www.bing.com/bingbot.htm |
| 9 | 693 | 1.03 | 404 | 2.73 | +http://www.linkdex.com/bots/ |
| 10 | 360 | 0.54 | 322 | 2.18 | Windows 2008 |
| 11 | 325 | 0.48 | 279 | 1.89 | Windows 2003 |
| 12 | 322 | 0.48 | 279 | 1.89 | Windows 2004 |
| 13 | 312 | 0.46 | 278 | 1.88 | Windows 2007 |
| 14 | 302 | 0.45 | 267 | 1.81 | Windows 2002 |
| 15 | 301 | 0.45 | 265 | 1.79 | Windows 9 |
| 16 | 289 | 0.43 | 252 | 1.70 | Windows 2006 |
| 17 | 281 | 0.42 | 240 | 1.62 | Windows 2005 |
| 18 | 107 | 0.16 | 14 | 0.09 | +http://help.coccoc.com/searchengine |
| 19 | 84 | 0.13 | 35 | 0.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 52 | 0.08 | 22 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 21 | 47 | 0.07 | 17 | 0.11 | Windows XP |
| 22 | 35 | 0.05 | 13 | 0.09 | Windows 98 |
| 23 | 32 | 0.05 | 13 | 0.09 | +http://duckduckgo.com |
| 24 | 30 | 0.04 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 25 | 30 | 0.04 | 12 | 0.08 | Windows 95 |
| 26 | 29 | 0.04 | 0 | 0.00 | +spider@seoscanners.net |
| 27 | 27 | 0.04 | 12 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 28 | 20 | 0.03 | 2 | 0.01 | +https://www.aihitdata.com/about |
| 29 | 20 | 0.03 | 2 | 0.01 | +http://megaindex.com/crawler |
| 30 | 18 | 0.03 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 31 | 18 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 32 | 14 | 0.02 | 7 | 0.05 | +http://www.exabot.com/go/robot |
| 33 | 11 | 0.02 | 10 | 0.07 | +http://www.uptime.com/uptimebot |
| 34 | 8 | 0.01 | 2 | 0.01 | Auto; Windows |
| 35 | 8 | 0.01 | 4 | 0.03 | Windows 3.1 |
| 36 | 6 | 0.01 | 3 | 0.02 | Windows CE |
| 37 | 6 | 0.01 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 38 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 39 | 5 | 0.01 | 3 | 0.02 | Windows ME |
| 40 | 5 | 0.01 | 4 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 41 | 4 | 0.01 | 2 | 0.01 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 42 | 4 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 43 | 3 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 44 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 45 | 2 | 0.00 | 2 | 0.01 | +http://www.linkpad.ru |
| 46 | 2 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 47 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 48 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://pmoz.info/doc/botinfo.htm |
| 50 | 1 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 51 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
