| Used Operating Systems |
| 1 | 45396 | 46.08 | 259 | 1.21 | http://mj12bot.com/ |
| 2 | 18915 | 19.20 | 14465 | 67.31 | +http://ahrefs.com/robot/ |
| 3 | 11339 | 11.51 | 62 | 0.29 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 10569 | 10.73 | 2166 | 10.08 | Windows NT |
| 5 | 2979 | 3.02 | 481 | 2.24 | +http://www.bing.com/bingbot.htm |
| 6 | 2158 | 2.19 | 1785 | 8.31 | +http://www.baidu.com/search/spider.html |
| 7 | 2070 | 2.10 | 711 | 3.31 | +http://www.google.com/bot.html |
| 8 | 1077 | 1.09 | 184 | 0.86 | +http://yandex.com/bots |
| 9 | 577 | 0.59 | 132 | 0.61 | +http://www.linkdex.com/bots/ |
| 10 | 553 | 0.56 | 191 | 0.89 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 399 | 0.40 | 49 | 0.23 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 348 | 0.35 | 174 | 0.81 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 311 | 0.32 | 234 | 1.09 | Windows 95 |
| 14 | 249 | 0.25 | 49 | 0.23 | Windows 98 |
| 15 | 202 | 0.21 | 19 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 181 | 0.18 | 10 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 125 | 0.13 | 28 | 0.13 | Windows XP |
| 18 | 119 | 0.12 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 19 | 87 | 0.09 | 4 | 0.02 | +http://www.semrush.com/bot.html |
| 20 | 70 | 0.07 | 10 | 0.05 | +http://www.profound.net/domainappender |
| 21 | 68 | 0.07 | 46 | 0.21 | Windows ME |
| 22 | 63 | 0.06 | 47 | 0.22 | Windows CE |
| 23 | 63 | 0.06 | 54 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 24 | 58 | 0.06 | 49 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 25 | 53 | 0.05 | 47 | 0.22 | Windows 2000 |
| 26 | 53 | 0.05 | 26 | 0.12 | http://www.searchmetrics.com/en/searchme... |
| 27 | 48 | 0.05 | 44 | 0.20 | Auto; Windows |
| 28 | 42 | 0.04 | 3 | 0.01 | +http://webmeup-crawler.com/ |
| 29 | 42 | 0.04 | 31 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 30 | 39 | 0.04 | 1 | 0.00 | +http://megaindex.com/crawler |
| 31 | 37 | 0.04 | 30 | 0.14 | Windows 3.1 |
| 32 | 32 | 0.03 | 1 | 0.00 | +http://www.similartech.com/smtbot |
| 33 | 29 | 0.03 | 15 | 0.07 | +http://duckduckgo.com |
| 34 | 27 | 0.03 | 3 | 0.01 | +http://www.seokicks.de/robot.html |
| 35 | 24 | 0.02 | 13 | 0.06 | +https://deusu.de/robot.html |
| 36 | 22 | 0.02 | 11 | 0.05 | +http://www.exabot.com/go/robot |
| 37 | 11 | 0.01 | 1 | 0.00 | http://www.similartech.com/smtbot |
| 38 | 10 | 0.01 | 5 | 0.02 | +http://monsido.com/bot.html; info@monsi... |
| 39 | 10 | 0.01 | 2 | 0.01 | +https://www.mojeek.com/bot.html |
| 40 | 8 | 0.01 | 5 | 0.02 | Linux i686 [unknown version] |
| 41 | 7 | 0.01 | 7 | 0.03 | +http://glutenfreepleasure.com/ |
| 42 | 7 | 0.01 | 7 | 0.03 | +http://besome1/securityresearchbot.html |
| 43 | 6 | 0.01 | 1 | 0.00 | +http://help.naver.com/support/robots.ht... |
| 44 | 4 | 0.00 | 2 | 0.01 | +spider@seoscanners.net |
| 45 | 4 | 0.00 | 2 | 0.01 | +http://www.idmarch.org/bot.html |
| 46 | 4 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 47 | 3 | 0.00 | 3 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 48 | 2 | 0.00 | 2 | 0.01 | http://support.paper.li/entries/20023257... |
| 49 | 2 | 0.00 | 2 | 0.01 | Win16 |
| 50 | 2 | 0.00 | 2 | 0.01 | PPC Mac OS X Mach-O |
| 51 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 52 | 1 | 0.00 | 1 | 0.00 | Win32 |
| 53 | 1 | 0.00 | 1 | 0.00 | MSIE 5.0; Windows 98; SiteCoach 1.0 |
| 54 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 55 | 1 | 0.00 | 1 | 0.00 | +http://newsharecounts.com/crawler |
| 56 | 1 | 0.00 | 1 | 0.00 | mailto: techinfo@ubermetrics-technologie... |
| 57 | 1 | 0.00 | 1 | 0.00 | +http://www.veooz.com/veoozbot.html |
| 58 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 59 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.4 |
| 60 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 61 | 1 | 0.00 | 1 | 0.00 | IRIX 6.x |
| 62 | 1 | 0.00 | 1 | 0.00 | +http://www.grapeshot.co.uk/crawler.php |
| 63 | 1 | 0.00 | 1 | 0.00 | SunOS 4.1.x |
| 64 | 1 | 0.00 | 1 | 0.00 | OSF1 V5.1 alpha |
