| Used Operating Systems |
| 1 | 22753 | 34.16 | 1361 | 21.64 | +http://ahrefs.com/robot/ |
| 2 | 18406 | 27.63 | 153 | 2.43 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 11810 | 17.73 | 1836 | 29.20 | Windows NT |
| 4 | 5059 | 7.59 | 9 | 0.14 | +http://www.seoprofiler.com/bot |
| 5 | 3380 | 5.07 | 2253 | 35.83 | +http://www.baidu.com/search/spider.html |
| 6 | 1511 | 2.27 | 96 | 1.53 | +http://yandex.com/bots |
| 7 | 1153 | 1.73 | 167 | 2.66 | +http://www.google.com/bot.html |
| 8 | 619 | 0.93 | 132 | 2.10 | +http://www.linkdex.com/about/bots/ |
| 9 | 392 | 0.59 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 10 | 234 | 0.35 | 25 | 0.40 | Windows 98 |
| 11 | 229 | 0.34 | 57 | 0.91 | +http://www.bing.com/bingbot.htm |
| 12 | 179 | 0.27 | 43 | 0.68 | Windows 95 |
| 13 | 136 | 0.20 | 33 | 0.52 | help@moz.com |
| 14 | 96 | 0.14 | 0 | 0.00 | Solaris 2.4.x |
| 15 | 56 | 0.08 | 4 | 0.06 | Linux i686 [unknown version] |
| 16 | 55 | 0.08 | 7 | 0.11 | Windows CE |
| 17 | 50 | 0.08 | 0 | 0.00 | Solaris 9.x |
| 18 | 49 | 0.07 | 1 | 0.02 | Macintosh |
| 19 | 42 | 0.06 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 20 | 30 | 0.05 | 11 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 21 | 27 | 0.04 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 27 | 0.04 | 5 | 0.08 | ezooms.bot@gmail.com |
| 23 | 26 | 0.04 | 11 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 26 | 0.04 | 0 | 0.00 | FreeBSD [unknown version] |
| 25 | 24 | 0.04 | 0 | 0.00 | Linux 2.4.x |
| 26 | 24 | 0.04 | 0 | 0.00 | i686 Linux; 20020515 |
| 27 | 24 | 0.04 | 3 | 0.05 | X11 |
| 28 | 24 | 0.04 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 29 | 24 | 0.04 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 30 | 21 | 0.03 | 4 | 0.06 | Windows XP |
| 31 | 16 | 0.02 | 14 | 0.22 | Windows 2000 |
| 32 | 16 | 0.02 | 8 | 0.13 | http://crawler.sistrix.net/ |
| 33 | 13 | 0.02 | 12 | 0.19 | Auto; Windows |
| 34 | 13 | 0.02 | 12 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 35 | 11 | 0.02 | 10 | 0.16 | Windows 3.1 |
| 36 | 10 | 0.02 | 0 | 0.00 | J2ME/MIDP |
| 37 | 10 | 0.02 | 3 | 0.05 | Android 2.3.5 |
| 38 | 8 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 8 | 0.01 | 8 | 0.13 | MSIE 5.5; Windows NT 4.0 |
| 40 | 8 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 41 | 6 | 0.01 | 6 | 0.10 | Windows ME |
| 42 | 4 | 0.01 | 0 | 0.00 | iPhone |
| 43 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 44 | 2 | 0.00 | 0 | 0.00 | http://www.google.com/bot.html |
