| Used Operating Systems |
| 1 | 276758 | 68.17 | 2357 | 4.02 | +http://www.bing.com/bingbot.htm |
| 2 | 46437 | 11.44 | 39716 | 67.80 | +http://ahrefs.com/robot/ |
| 3 | 15568 | 3.83 | 3202 | 5.47 | +http://www.google.com/bot.html |
| 4 | 13015 | 3.21 | 149 | 0.25 | http://mj12bot.com/ |
| 5 | 12636 | 3.11 | 26 | 0.04 | +http://www.semrush.com/bot.html |
| 6 | 11899 | 2.93 | 10070 | 17.19 | +http://www.baidu.com/search/spider.html |
| 7 | 7059 | 1.74 | 1633 | 2.79 | Windows NT |
| 8 | 5970 | 1.47 | 162 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 3809 | 0.94 | 202 | 0.34 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 3710 | 0.91 | 33 | 0.06 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 3004 | 0.74 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 12 | 2173 | 0.54 | 115 | 0.20 | +http://www.profound.net/domainappender |
| 13 | 1524 | 0.38 | 183 | 0.31 | +http://www.linkdex.com/bots/ |
| 14 | 597 | 0.15 | 269 | 0.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 483 | 0.12 | 2 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 16 | 433 | 0.11 | 94 | 0.16 | +http://yandex.com/bots |
| 17 | 204 | 0.05 | 89 | 0.15 | +http://duckduckgo.com |
| 18 | 111 | 0.03 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 19 | 75 | 0.02 | 55 | 0.09 | +https://deusu.de/robot.html |
| 20 | 72 | 0.02 | 1 | 0.00 | +http://www.similartech.com/smtbot |
| 21 | 66 | 0.02 | 43 | 0.07 | support.orangebot@orange.com |
| 22 | 47 | 0.01 | 32 | 0.05 | Windows 95 |
| 23 | 46 | 0.01 | 15 | 0.03 | Windows XP |
| 24 | 42 | 0.01 | 20 | 0.03 | Windows 98 |
| 25 | 39 | 0.01 | 6 | 0.01 | +http://www.seokicks.de/robot.html |
| 26 | 32 | 0.01 | 21 | 0.04 | Linux i686 [unknown version] |
| 27 | 24 | 0.01 | 8 | 0.01 | +https://www.mojeek.com/bot.html |
| 28 | 17 | 0.00 | 8 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 29 | 16 | 0.00 | 5 | 0.01 | +http://www.exabot.com/go/robot |
| 30 | 13 | 0.00 | 1 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 31 | 11 | 0.00 | 7 | 0.01 | Windows ME |
| 32 | 10 | 0.00 | 2 | 0.00 | Windows 92 |
| 33 | 9 | 0.00 | 6 | 0.01 | Windows CE |
| 34 | 8 | 0.00 | 7 | 0.01 | +info@netcraft.com |
| 35 | 8 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 8 | 0.00 | 2 | 0.00 | MAUI Runtime |
| 37 | 7 | 0.00 | 1 | 0.00 | +http://webmeup-crawler.com/ |
| 38 | 7 | 0.00 | 5 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 39 | 6 | 0.00 | 4 | 0.01 | Windows 2000 |
| 40 | 5 | 0.00 | 5 | 0.01 | Auto; Windows |
| 41 | 5 | 0.00 | 3 | 0.01 | +http://sur.ly/bot.html |
| 42 | 5 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 5 | 0.00 | 3 | 0.01 | Windows 3.1 |
| 44 | 5 | 0.00 | 2 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 45 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 46 | 2 | 0.00 | 1 | 0.00 | +http://tag1consulting.com/dropreaper.ht... |
| 47 | 2 | 0.00 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 48 | 1 | 0.00 | 1 | 0.00 | +http://support.embed.ly/ |
| 49 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X |
| 50 | 1 | 0.00 | 1 | 0.00 | Linux [unknown version] |
| 51 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 52 | 1 | 0.00 | 1 | 0.00 | Linux i586 [unknown version] |
| 53 | 1 | 0.00 | 1 | 0.00 | +http://jooble.org/jooble-bot |
| 54 | 1 | 0.00 | 1 | 0.00 | +http://www.grapeshot.co.uk/crawler.php |
| 55 | 1 | 0.00 | 1 | 0.00 | X11 |
