| Used Operating Systems |
| 1 | 21520 | 27.75 | 13130 | 71.01 | +http://ahrefs.com/robot/ |
| 2 | 15823 | 20.40 | 214 | 1.16 | http://mj12bot.com/ |
| 3 | 8181 | 10.55 | 64 | 0.35 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 7697 | 9.93 | 1139 | 6.16 | Windows NT |
| 5 | 4836 | 6.24 | 1249 | 6.75 | +http://www.bing.com/bingbot.htm |
| 6 | 3895 | 5.02 | 1628 | 8.80 | +http://www.google.com/bot.html |
| 7 | 2792 | 3.60 | 22 | 0.12 | +http://www.baidu.com/search/spider.html |
| 8 | 2282 | 2.94 | 18 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 9 | 1739 | 2.24 | 3 | 0.02 | +http://www.semrush.com/bot.html |
| 10 | 1614 | 2.08 | 269 | 1.45 | +http://yandex.com/bots |
| 11 | 1422 | 1.83 | 2 | 0.01 | +http://megaindex.com/crawler |
| 12 | 1183 | 1.53 | 8 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 13 | 808 | 1.04 | 2 | 0.01 | +http://www.linkpad.ru |
| 14 | 789 | 1.02 | 1 | 0.01 | crawler@goodzer.com |
| 15 | 742 | 0.96 | 136 | 0.74 | +http://www.linkdex.com/bots/ |
| 16 | 472 | 0.61 | 66 | 0.36 | +http://napoveda.seznam.cz/en/seznambot-... |
| 17 | 444 | 0.57 | 5 | 0.03 | +http://webmeup-crawler.com/ |
| 18 | 435 | 0.56 | 239 | 1.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 126 | 0.16 | 14 | 0.08 | +http://www.profound.net/domainappender |
| 20 | 108 | 0.14 | 46 | 0.25 | +http://duckduckgo.com |
| 21 | 67 | 0.09 | 20 | 0.11 | Windows XP |
| 22 | 66 | 0.09 | 24 | 0.13 | Windows 95 |
| 23 | 50 | 0.06 | 31 | 0.17 | +http://www.exabot.com/go/robot |
| 24 | 48 | 0.06 | 8 | 0.04 | +http://www.seokicks.de/robot.html |
| 25 | 47 | 0.06 | 2 | 0.01 | PPC Mac OS X 10.4 |
| 26 | 36 | 0.05 | 15 | 0.08 | Windows 98 |
| 27 | 35 | 0.05 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 28 | 30 | 0.04 | 3 | 0.02 | +https://www.aihitdata.com/about |
| 29 | 29 | 0.04 | 15 | 0.08 | Windows ME |
| 30 | 22 | 0.03 | 9 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 31 | 20 | 0.03 | 9 | 0.05 | +spider@seoscanners.net |
| 32 | 14 | 0.02 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 33 | 13 | 0.02 | 9 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 34 | 12 | 0.02 | 6 | 0.03 | +https://www.mojeek.com/bot.html |
| 35 | 12 | 0.02 | 10 | 0.05 | Linux i686 [unknown version] |
| 36 | 11 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 37 | 11 | 0.01 | 5 | 0.03 | Windows 2000 |
| 38 | 11 | 0.01 | 7 | 0.04 | Auto; Windows |
| 39 | 8 | 0.01 | 2 | 0.01 | https://www.dataprovider.com/spider/ |
| 40 | 8 | 0.01 | 7 | 0.04 | +info@netcraft.com |
| 41 | 8 | 0.01 | 5 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 7 | 0.01 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 43 | 7 | 0.01 | 5 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 44 | 6 | 0.01 | 4 | 0.02 | Windows 3.1 |
| 45 | 5 | 0.01 | 3 | 0.02 | IRIX 6.x |
| 46 | 4 | 0.01 | 3 | 0.02 | Windows CE |
| 47 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 48 | 3 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 49 | 3 | 0.00 | 1 | 0.01 | Macintosh PPC |
| 50 | 3 | 0.00 | 3 | 0.02 | Linux [unknown version] |
| 51 | 3 | 0.00 | 3 | 0.02 | Linux 2.4.x |
| 52 | 3 | 0.00 | 2 | 0.01 | SunOS 4.1.x |
| 53 | 3 | 0.00 | 2 | 0.01 | PPC Mac OS X Mach-O |
| 54 | 2 | 0.00 | 2 | 0.01 | +https://gimmeusa.com/crawler.html |
| 55 | 2 | 0.00 | 0 | 0.00 | .NET CLR 2.0.50727 |
| 56 | 2 | 0.00 | 1 | 0.01 | +http://tag1consulting.com/dropreaper.ht... |
| 57 | 2 | 0.00 | 2 | 0.01 | Linux 2.0.x |
| 58 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 59 | 2 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 60 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 61 | 2 | 0.00 | 2 | 0.01 | Linux 2.2.x |
| 62 | 1 | 0.00 | 1 | 0.01 | Win32 |
| 63 | 1 | 0.00 | 1 | 0.01 | RISC OS 4.02 |
| 64 | 1 | 0.00 | 1 | 0.01 | Solaris 2.6.x |
| 65 | 1 | 0.00 | 1 | 0.01 | MSIE 5.0; Windows 98; SiteCoach 1.0 |
| 66 | 1 | 0.00 | 1 | 0.01 | OSF1 V4.0 alpha |
| 67 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 68 | 1 | 0.00 | 0 | 0.00 | +https://discordapp.com |
| 69 | 1 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 70 | 1 | 0.00 | 1 | 0.01 | X11 |
| 71 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 72 | 1 | 0.00 | 1 | 0.01 | AmigaOS/MC680x0 |
| 73 | 1 | 0.00 | 0 | 0.00 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 74 | 1 | 0.00 | 1 | 0.01 | HP-UX B.10.x |
| 75 | 1 | 0.00 | 1 | 0.01 | Win16 |
