| Used Operating Systems |
| 1 | 25665 | 38.31 | 390 | 5.86 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 18600 | 27.76 | 3978 | 59.75 | +http://ahrefs.com/robot/ |
| 3 | 15492 | 23.12 | 967 | 14.52 | Windows NT |
| 4 | 1521 | 2.27 | 105 | 1.58 | +http://www.bing.com/bingbot.htm |
| 5 | 1092 | 1.63 | 589 | 8.85 | +http://www.baidu.com/search/spider.html |
| 6 | 941 | 1.40 | 106 | 1.59 | +http://www.google.com/bot.html |
| 7 | 779 | 1.16 | 80 | 1.20 | +http://yandex.com/bots |
| 8 | 686 | 1.02 | 6 | 0.09 | +http://megaindex.com/crawler |
| 9 | 678 | 1.01 | 6 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 10 | 444 | 0.66 | 4 | 0.06 | +http://www.warebay.com/bot.html |
| 11 | 232 | 0.35 | 3 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 136 | 0.20 | 2 | 0.03 | +http://www.privacyaware.org |
| 13 | 105 | 0.16 | 40 | 0.60 | +http://www.uptime.com/uptimebot |
| 14 | 100 | 0.15 | 97 | 1.46 | Linux i686 [unknown version] |
| 15 | 49 | 0.07 | 34 | 0.51 | Windows 98 |
| 16 | 45 | 0.07 | 20 | 0.30 | Windows XP |
| 17 | 44 | 0.07 | 22 | 0.33 | Windows 95 |
| 18 | 33 | 0.05 | 1 | 0.02 | +http://www.linkpad.ru |
| 19 | 32 | 0.05 | 9 | 0.14 | +http://www.linkdex.com/bots/ |
| 20 | 24 | 0.04 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 21 | 23 | 0.03 | 22 | 0.33 | J2ME/MIDP |
| 22 | 23 | 0.03 | 20 | 0.30 | Linux [unknown version] |
| 23 | 20 | 0.03 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 24 | 20 | 0.03 | 2 | 0.03 | +http://www.exabot.com/go/robot |
| 25 | 18 | 0.03 | 6 | 0.09 | Windows 2000 |
| 26 | 14 | 0.02 | 9 | 0.14 | Windows CE |
| 27 | 10 | 0.01 | 6 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 28 | 10 | 0.01 | 4 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 29 | 8 | 0.01 | 4 | 0.06 | Windows 3.1 |
| 30 | 8 | 0.01 | 8 | 0.12 | X11 |
| 31 | 7 | 0.01 | 7 | 0.11 | Linux 2.4.x |
| 32 | 7 | 0.01 | 7 | 0.11 | PPC Mac OS X Mach-O |
| 33 | 6 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 6 | 0.01 | 2 | 0.03 | +https://teeraid.com/bot/ |
| 35 | 6 | 0.01 | 3 | 0.05 | +http://duckduckgo.com |
| 36 | 5 | 0.01 | 3 | 0.05 | SunOS sun4u |
| 37 | 4 | 0.01 | 4 | 0.06 | OpenBSD [unknown version] |
| 38 | 4 | 0.01 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 39 | 4 | 0.01 | 3 | 0.05 | Auto; Windows |
| 40 | 4 | 0.01 | 4 | 0.06 | FreeBSD [unknown version] |
| 41 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 42 | 4 | 0.01 | 4 | 0.06 | Windows 9x |
| 43 | 4 | 0.01 | 4 | 0.06 | Macintosh |
| 44 | 4 | 0.01 | 4 | 0.06 | Linux i586 [unknown version] |
| 45 | 4 | 0.01 | 4 | 0.06 | Linux 2.2.x |
| 46 | 4 | 0.01 | 2 | 0.03 | +http://siteexplorer.info/ |
| 47 | 2 | 0.00 | 2 | 0.03 | webcrawler at wise-guys dot nl; http://w... |
| 48 | 2 | 0.00 | 2 | 0.03 | rotate |
| 49 | 2 | 0.00 | 2 | 0.03 | i686 Linux; 20020601 |
| 50 | 2 | 0.00 | 2 | 0.03 | PPC Mac OS X 10.4 |
| 51 | 2 | 0.00 | 2 | 0.03 | MSIE 5.5; Windows 98 |
| 52 | 2 | 0.00 | 2 | 0.03 | Android |
| 53 | 2 | 0.00 | 1 | 0.02 | +https://gimmeusa.com/crawler.html |
| 54 | 2 | 0.00 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 55 | 2 | 0.00 | 2 | 0.03 | http://www.mojeek.com/bot.html |
| 56 | 2 | 0.00 | 2 | 0.03 | http://www.betaspider.com/ |
| 57 | 2 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 58 | 2 | 0.00 | 2 | 0.03 | Windows CE; PPC; 320x320 |
| 59 | 2 | 0.00 | 2 | 0.03 | Solaris 2.5.x |
| 60 | 2 | 0.00 | 2 | 0.03 | PPC Mac OS X |
| 61 | 2 | 0.00 | 2 | 0.03 | SunOS i86pc |
| 62 | 2 | 0.00 | 2 | 0.03 | Mac_PowerPC; en |
| 63 | 2 | 0.00 | 2 | 0.03 | AIX 5.3 |
| 64 | 2 | 0.00 | 2 | 0.03 | i686 Linux; 20021127 |
| 65 | 2 | 0.00 | 2 | 0.03 | +http://www.chainn.com/mxbot.html |
| 66 | 2 | 0.00 | 2 | 0.03 | i686 Linux; 20020412 |
| 67 | 2 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 68 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 69 | 2 | 0.00 | 2 | 0.03 | i686 Linux; 20020815 |
| 70 | 2 | 0.00 | 2 | 0.03 | i686 Linux; 20020624 |
| 71 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 72 | 2 | 0.00 | 2 | 0.03 | Solaris 7.x |
| 73 | 2 | 0.00 | 2 | 0.03 | MSIE 5.5; Windows 95 |
| 74 | 2 | 0.00 | 2 | 0.03 | Nintendo Wii |
| 75 | 2 | 0.00 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 76 | 2 | 0.00 | 2 | 0.03 | HP-UX 9000/785 |
| 77 | 2 | 0.00 | 2 | 0.03 | Linux 2.6.x |
| 78 | 1 | 0.00 | 1 | 0.02 | OS/2 |
| 79 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X |
| 80 | 1 | 0.00 | 1 | 0.02 | MSIE 6.0; Windows NT 5.1 |
| 81 | 1 | 0.00 | 1 | 0.02 | X11; Linux i686; de |
| 82 | 1 | 0.00 | 1 | 0.02 | i686 Linux; 20020918 |
| 83 | 1 | 0.00 | 1 | 0.02 | Solaris 8.x |
