| Used Operating Systems |
| 1 | 40724 | 40.92 | 2926 | 42.36 | Windows NT |
| 2 | 15218 | 15.29 | 169 | 2.45 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 9006 | 9.05 | 118 | 1.71 | +crawl@publiclibraryarchive.org |
| 4 | 6197 | 6.23 | 120 | 1.74 | +crawl@savetheworldheritage.org |
| 5 | 3751 | 3.77 | 306 | 4.43 | +http://ahrefs.com/robot/ |
| 6 | 2867 | 2.88 | 361 | 5.23 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 2790 | 2.80 | 0 | 0.00 | OS/2 |
| 8 | 2715 | 2.73 | 1871 | 27.09 | +http://www.baidu.com/search/spider.html |
| 9 | 2330 | 2.34 | 34 | 0.49 | Windows 98 |
| 10 | 1737 | 1.75 | 154 | 2.23 | +http://yandex.com/bots |
| 11 | 1662 | 1.67 | 0 | 0.00 | Linux i686 [unknown version] |
| 12 | 1468 | 1.47 | 0 | 0.00 | FreeBSD [unknown version] |
| 13 | 1220 | 1.23 | 0 | 0.00 | Macintosh PPC |
| 14 | 1088 | 1.09 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 15 | 1016 | 1.02 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 16 | 869 | 0.87 | 83 | 1.20 | +http://www.google.com/bot.html |
| 17 | 766 | 0.77 | 0 | 0.00 | i686 Linux; 20020515 |
| 18 | 528 | 0.53 | 209 | 3.03 | Windows 95 |
| 19 | 444 | 0.45 | 0 | 0.00 | BeOS BePC |
| 20 | 419 | 0.42 | 42 | 0.61 | Windows CE |
| 21 | 411 | 0.41 | 46 | 0.67 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 372 | 0.37 | 48 | 0.69 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 372 | 0.37 | 0 | 0.00 | Macintosh |
| 24 | 320 | 0.32 | 0 | 0.00 | Solaris 9.x |
| 25 | 289 | 0.29 | 84 | 1.22 | +http://www.linkdex.com/bots/ |
| 26 | 184 | 0.18 | 0 | 0.00 | Win32 |
| 27 | 88 | 0.09 | 0 | 0.00 | Linux 2.4.x |
| 28 | 78 | 0.08 | 0 | 0.00 | Solaris 2.4.x |
| 29 | 68 | 0.07 | 41 | 0.59 | +http://www.bing.com/bingbot.htm |
| 30 | 60 | 0.06 | 41 | 0.59 | Windows 3.1 |
| 31 | 56 | 0.06 | 44 | 0.64 | Windows 2000 |
| 32 | 49 | 0.05 | 38 | 0.55 | MSIE 5.5; Windows NT 5.0 |
| 33 | 48 | 0.05 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 34 | 43 | 0.04 | 32 | 0.46 | Windows ME |
| 35 | 37 | 0.04 | 35 | 0.51 | ) - BrowseX (2.0.0 Windows |
| 36 | 37 | 0.04 | 32 | 0.46 | MSIE 5.5; Windows NT 4.0 |
| 37 | 36 | 0.04 | 7 | 0.10 | Windows XP |
| 38 | 32 | 0.03 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 39 | 28 | 0.03 | 10 | 0.14 | +http://www.exabot.com/go/robot |
| 40 | 28 | 0.03 | 14 | 0.20 | +http://duckduckgo.com |
| 41 | 21 | 0.02 | 16 | 0.23 | Auto; Windows |
| 42 | 20 | 0.02 | 10 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 16 | 0.02 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 44 | 12 | 0.01 | 6 | 0.09 | support.orangebot@orange.com |
| 45 | 4 | 0.00 | 4 | 0.06 | +info@netcraft.com |
| 46 | 2 | 0.00 | 2 | 0.03 | Linux [unknown version] |
| 47 | 2 | 0.00 | 1 | 0.01 | X11 |
| 48 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 49 | 2 | 0.00 | 1 | 0.01 | Android 2.3.5 |
