| Used Operating Systems |
| 1 | 15996 | 40.63 | 218 | 1.30 | http://mj12bot.com/ |
| 2 | 14055 | 35.70 | 10243 | 60.94 | +http://ahrefs.com/robot/ |
| 3 | 4511 | 11.46 | 3457 | 20.57 | +http://www.baidu.com/search/spider.html |
| 4 | 1041 | 2.64 | 266 | 1.58 | +http://www.google.com/bot.html |
| 5 | 603 | 1.53 | 239 | 1.42 | +http://www.bing.com/bingbot.htm |
| 6 | 302 | 0.77 | 106 | 0.63 | Windows NT |
| 7 | 275 | 0.70 | 193 | 1.15 | +http://www.linkdex.com/bots/ |
| 8 | 272 | 0.69 | 255 | 1.52 | Windows 2002 |
| 9 | 267 | 0.68 | 246 | 1.46 | Windows 2004 |
| 10 | 257 | 0.65 | 235 | 1.40 | Windows 9 |
| 11 | 254 | 0.65 | 233 | 1.39 | Windows 2008 |
| 12 | 253 | 0.64 | 225 | 1.34 | Windows 2007 |
| 13 | 251 | 0.64 | 235 | 1.40 | Windows 2003 |
| 14 | 248 | 0.63 | 238 | 1.42 | Windows 2005 |
| 15 | 222 | 0.56 | 211 | 1.26 | Windows 2006 |
| 16 | 186 | 0.47 | 66 | 0.39 | +http://yandex.com/bots |
| 17 | 57 | 0.14 | 49 | 0.29 | +http://www.uptime.com/uptimebot |
| 18 | 50 | 0.13 | 5 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 19 | 36 | 0.09 | 13 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 36 | 0.09 | 4 | 0.02 | +http://www.seokicks.de/robot.html |
| 21 | 34 | 0.09 | 16 | 0.10 | +http://napoveda.seznam.cz/en/seznambot-... |
| 22 | 28 | 0.07 | 7 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 23 | 25 | 0.06 | 13 | 0.08 | +http://www.exabot.com/go/robot |
| 24 | 18 | 0.05 | 2 | 0.01 | Linux i686 [unknown version] |
| 25 | 18 | 0.05 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 26 | 16 | 0.04 | 8 | 0.05 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 27 | 15 | 0.04 | 5 | 0.03 | +https://www.mojeek.com/bot.html |
| 28 | 10 | 0.03 | 1 | 0.01 | +http://megaindex.com/crawler |
| 29 | 6 | 0.02 | 6 | 0.04 | +https://gimmeusa.com/crawler.html |
| 30 | 4 | 0.01 | 2 | 0.01 | http://www.businessseek.biz/ |
| 31 | 4 | 0.01 | 3 | 0.02 | http://www.majestic12.co.uk/bot.php?+ |
| 32 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 33 | 4 | 0.01 | 2 | 0.01 | +http://duckduckgo.com |
| 34 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 35 | 3 | 0.01 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 36 | 2 | 0.01 | 0 | 0.00 | +spider@seoscanners.net |
| 37 | 2 | 0.01 | 0 | 0.00 | UrlCrawler; http://www.seomoz.org/dp/rog... |
| 38 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 39 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.00 | 0 | 0.00 | Windows 98 |
