| Used Operating Systems by Visits |
| 1 | 2919 | 5.30 | 1929 | 28.16 | +http://www.baidu.com/search/spider.html |
| 2 | 6703 | 12.17 | 751 | 10.96 | Windows NT |
| 3 | 2219 | 4.03 | 620 | 9.05 | +http://www.google.com/bot.html |
| 4 | 2329 | 4.23 | 426 | 6.22 | +http://www.bing.com/bingbot.htm |
| 5 | 316 | 0.57 | 303 | 4.42 | Windows 2005 |
| 6 | 304 | 0.55 | 288 | 4.20 | Windows 2003 |
| 7 | 303 | 0.55 | 285 | 4.16 | Windows 2008 |
| 8 | 296 | 0.54 | 281 | 4.10 | Windows 2006 |
| 9 | 286 | 0.52 | 270 | 3.94 | Windows 2007 |
| 10 | 276 | 0.50 | 259 | 3.78 | Windows 9 |
| 11 | 1749 | 3.18 | 255 | 3.72 | +http://ahrefs.com/robot/ |
| 12 | 271 | 0.49 | 255 | 3.72 | Windows 2002 |
| 13 | 244 | 0.44 | 234 | 3.42 | Windows 2004 |
| 14 | 25974 | 47.17 | 188 | 2.74 | http://mj12bot.com/ |
| 15 | 356 | 0.65 | 102 | 1.49 | +http://www.linkdex.com/bots/ |
| 16 | 1209 | 2.20 | 73 | 1.07 | +http://yandex.com/bots |
| 17 | 7931 | 14.40 | 51 | 0.74 | http://www.majestic12.co.uk/bot.php?+ |
| 18 | 66 | 0.12 | 34 | 0.50 | Windows 95 |
| 19 | 123 | 0.22 | 30 | 0.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 89 | 0.16 | 30 | 0.44 | Windows XP |
| 21 | 55 | 0.10 | 25 | 0.36 | +http://www.exabot.com/go/robot |
| 22 | 102 | 0.19 | 23 | 0.34 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 39 | 0.07 | 20 | 0.29 | Windows 98 |
| 24 | 19 | 0.03 | 12 | 0.18 | ) - BrowseX (2.0.0 Windows |
| 25 | 62 | 0.11 | 11 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 26 | 0.05 | 11 | 0.16 | Windows 2000 |
| 27 | 21 | 0.04 | 7 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 28 | 13 | 0.02 | 7 | 0.10 | Windows ME |
| 29 | 60 | 0.11 | 7 | 0.10 | +http://webmeup-crawler.com/ |
| 30 | 14 | 0.03 | 7 | 0.10 | +http://duckduckgo.com |
| 31 | 16 | 0.03 | 6 | 0.09 | Auto; Windows |
| 32 | 9 | 0.02 | 6 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 33 | 16 | 0.03 | 5 | 0.07 | Windows 3.1 |
| 34 | 6 | 0.01 | 5 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 35 | 124 | 0.23 | 5 | 0.07 | +http://www.semrush.com/bot.html |
| 36 | 3 | 0.01 | 3 | 0.04 | Windows CE |
| 37 | 24 | 0.04 | 3 | 0.04 | +http://www.seokicks.de/robot.html |
| 38 | 2 | 0.00 | 2 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 39 | 3 | 0.01 | 2 | 0.03 | +http://8pw.ru/virus |
| 40 | 2 | 0.00 | 2 | 0.03 | Linux [unknown version] |
| 41 | 6 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 42 | 5 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 43 | 2 | 0.00 | 2 | 0.03 | +http://megaindex.com/crawler |
| 44 | 3 | 0.01 | 2 | 0.03 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 45 | 15 | 0.03 | 1 | 0.01 | https://www.dataprovider.com/spider/ |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 47 | 17 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 48 | 2 | 0.00 | 1 | 0.01 | +https://deusu.de/robot.html |
| 49 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 50 | 2 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 51 | 2 | 0.00 | 1 | 0.01 | +http://botw.org |
| 52 | 2 | 0.00 | 1 | 0.01 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 53 | 1 | 0.00 | 1 | 0.01 | X11 |
| 54 | 9 | 0.02 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 55 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 56 | 162 | 0.29 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 57 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 58 | 222 | 0.40 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 59 | 26 | 0.05 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
