| Used Operating Systems |
| 1 | 477775 | 90.37 | 18003 | 75.08 | Windows NT |
| 2 | 16284 | 3.08 | 279 | 1.16 | +http://www.google.com/bot.html |
| 3 | 9606 | 1.82 | 4 | 0.02 | +http://www.sitebot.org/robot/ |
| 4 | 5016 | 0.95 | 3641 | 15.18 | +http://www.bing.com/bingbot.htm |
| 5 | 3870 | 0.73 | 115 | 0.48 | Linux i686 [unknown version] |
| 6 | 2233 | 0.42 | 496 | 2.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 1468 | 0.28 | 120 | 0.50 | Macintosh |
| 8 | 1333 | 0.25 | 17 | 0.07 | Linux [unknown version] |
| 9 | 1251 | 0.24 | 247 | 1.03 | Windows 98 |
| 10 | 1232 | 0.23 | 233 | 0.97 | Windows 95 |
| 11 | 1091 | 0.21 | 22 | 0.09 | Intel Mac OS X 10.5 |
| 12 | 1009 | 0.19 | 69 | 0.29 | http://www.dotnetdotcom.org/, crawler@do... |
| 13 | 900 | 0.17 | 121 | 0.50 | ezooms.bot@gmail.com |
| 14 | 835 | 0.16 | 24 | 0.10 | Intel Mac OS X 10.6 |
| 15 | 738 | 0.14 | 28 | 0.12 | J2ME/MIDP |
| 16 | 624 | 0.12 | 41 | 0.17 | +http://yandex.com/bots |
| 17 | 460 | 0.09 | 22 | 0.09 | http://desktop.google.com/ |
| 18 | 298 | 0.06 | 95 | 0.40 | http://www.majestic12.co.uk/bot.php?+ |
| 19 | 267 | 0.05 | 55 | 0.23 | Windows ME |
| 20 | 254 | 0.05 | 57 | 0.24 | Windows 3.1 |
| 21 | 244 | 0.05 | 50 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 22 | 192 | 0.04 | 35 | 0.15 | Windows CE |
| 23 | 186 | 0.04 | 38 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 24 | 185 | 0.03 | 5 | 0.02 | Intel Mac OS X 10.4 |
| 25 | 182 | 0.03 | 27 | 0.11 | MirrorDetector; +http://yandex.com/bots |
| 26 | 166 | 0.03 | 38 | 0.16 | Windows 2000 |
| 27 | 146 | 0.03 | 28 | 0.12 | Windows XP |
| 28 | 125 | 0.02 | 5 | 0.02 | Unknown |
| 29 | 121 | 0.02 | 4 | 0.02 | Android |
| 30 | 88 | 0.02 | 4 | 0.02 | http://www.searchme.com/support/ |
| 31 | 84 | 0.02 | 2 | 0.01 | Macintosh PPC |
| 32 | 75 | 0.01 | 3 | 0.01 | PPC Mac OS X 10.5 |
| 33 | 48 | 0.01 | 2 | 0.01 | Windows Mobile |
| 34 | 40 | 0.01 | 2 | 0.01 | PPC Mac OS X 10.4 |
| 35 | 37 | 0.01 | 1 | 0.00 | Windows 9x |
| 36 | 35 | 0.01 | 2 | 0.01 | S60 |
| 37 | 32 | 0.01 | 3 | 0.01 | +http://discoveryengine.com/discobot.htm... |
| 38 | 32 | 0.01 | 2 | 0.01 | AOL 9.0; Windows NT 5.1; Trident/4.0; .N... |
| 39 | 28 | 0.01 | 9 | 0.04 | America Online Browser 1.1; rev1.1; Wind... |
| 40 | 27 | 0.01 | 8 | 0.03 | Auto; Windows |
| 41 | 21 | 0.00 | 11 | 0.05 | +http://www.exabot.com/go/robot |
| 42 | 19 | 0.00 | 1 | 0.00 | Android 2.1-update1 |
| 43 | 14 | 0.00 | 2 | 0.01 | X11 |
| 44 | 4 | 0.00 | 0 | 0.00 | Windows 9. |
| 45 | 4 | 0.00 | 0 | 0.00 | Solaris 9.x |
| 46 | 4 | 0.00 | 2 | 0.01 | http://help.naver.com/customer_webtxt_02... |
| 47 | 3 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 48 | 2 | 0.00 | 1 | 0.00 | PPC Mac OS X Mach-O |
| 49 | 2 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 50 | 2 | 0.00 | 2 | 0.01 | +http://www.baidu.com/search/spider.html |
| 51 | 1 | 0.00 | 0 | 0.00 | BeOS BePC |
| 52 | 1 | 0.00 | 1 | 0.00 | +http://www.dnsdigger.com |
