| Used Operating Systems by Visits |
| 1 | 4341 | 4.45 | 3332 | 37.72 | +http://www.baidu.com/search/spider.html |
| 2 | 41354 | 42.34 | 2177 | 24.65 | Windows NT |
| 3 | 2192 | 2.24 | 923 | 10.45 | +http://www.bing.com/bingbot.htm |
| 4 | 33283 | 34.08 | 838 | 9.49 | +http://www.google.com/bot.html |
| 5 | 7013 | 7.18 | 699 | 7.91 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 314 | 0.32 | 172 | 1.95 | Windows 95 |
| 7 | 1216 | 1.25 | 73 | 0.83 | http://www.dotnetdotcom.org/, crawler@do... |
| 8 | 839 | 0.86 | 64 | 0.72 | +http://discoveryengine.com/discobot.htm... |
| 9 | 78 | 0.08 | 54 | 0.61 | Windows ME |
| 10 | 220 | 0.23 | 48 | 0.54 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 64 | 0.07 | 47 | 0.53 | Windows CE |
| 12 | 85 | 0.09 | 46 | 0.52 | +http://www.exabot.com/go/robot |
| 13 | 65 | 0.07 | 44 | 0.50 | MSIE 5.5; Windows NT 4.0 |
| 14 | 67 | 0.07 | 40 | 0.45 | Windows 3.1 |
| 15 | 63 | 0.06 | 40 | 0.45 | MSIE 5.5; Windows NT 5.0 |
| 16 | 52 | 0.05 | 37 | 0.42 | Windows 2000 |
| 17 | 232 | 0.24 | 35 | 0.40 | Windows 98 |
| 18 | 990 | 1.01 | 29 | 0.33 | Intel Mac OS X 10.6 |
| 19 | 640 | 0.66 | 27 | 0.31 | Linux i686 [unknown version] |
| 20 | 64 | 0.07 | 20 | 0.23 | ezooms.bot@gmail.com |
| 21 | 17 | 0.02 | 14 | 0.16 | +info@netcraft.com |
| 22 | 567 | 0.58 | 10 | 0.11 | Intel Mac OS X 10.5 |
| 23 | 78 | 0.08 | 10 | 0.11 | Solaris 7.x |
| 24 | 990 | 1.01 | 7 | 0.08 | +http://www.sitebot.org/robot/ |
| 25 | 105 | 0.11 | 6 | 0.07 | PPC Mac OS X Mach-O |
| 26 | 44 | 0.05 | 5 | 0.06 | OS/2 |
| 27 | 600 | 0.61 | 4 | 0.05 | +http://ahrefs.com/robot/ |
| 28 | 604 | 0.62 | 4 | 0.05 | http://crawler.sistrix.net/ |
| 29 | 32 | 0.03 | 4 | 0.05 | i686 Linux; 20020515 |
| 30 | 25 | 0.03 | 4 | 0.05 | FreeBSD [unknown version] |
| 31 | 156 | 0.16 | 3 | 0.03 | Intel Mac OS X 10.4 |
| 32 | 8 | 0.01 | 2 | 0.02 | Windows |
| 33 | 20 | 0.02 | 2 | 0.02 | America Online Browser 1.1; rev1.2; Wind... |
| 34 | 32 | 0.03 | 2 | 0.02 | http://benderthewebrobot.tumblr.com |
| 35 | 46 | 0.05 | 2 | 0.02 | Macintosh |
| 36 | 359 | 0.37 | 2 | 0.02 | +http://yandex.com/bots |
| 37 | 70 | 0.07 | 1 | 0.01 | Linux [unknown version] |
| 38 | 55 | 0.06 | 1 | 0.01 | Windows XP |
| 39 | 78 | 0.08 | 1 | 0.01 | X11 |
| 40 | 34 | 0.03 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 41 | 432 | 0.44 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 42 | 50 | 0.05 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 43 | 3 | 0.00 | 1 | 0.01 | +http://www.domainratio.com |
| 44 | 18 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 45 | 12 | 0.01 | 0 | 0.00 | BeOS BePC |
| 46 | 6 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 47 | 8 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 48 | 24 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 49 | 2 | 0.00 | 0 | 0.00 | Windows 9. |
| 50 | 8 | 0.01 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 51 | 1 | 0.00 | 0 | 0.00 | S60 |
| 52 | 4 | 0.00 | 0 | 0.00 | Solaris 2.4.x |
