| Used Operating Systems by Visits |
| 1 | 4012 | 3.54 | 2206 | 37.38 | +http://www.bing.com/bingbot.htm |
| 2 | 85444 | 75.38 | 1837 | 31.13 | Windows NT |
| 3 | 4850 | 4.28 | 641 | 10.86 | +http://www.google.com/bot.html |
| 4 | 5830 | 5.14 | 577 | 9.78 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 5365 | 4.73 | 123 | 2.08 | Intel Mac OS X 10.6 |
| 6 | 1383 | 1.22 | 87 | 1.47 | http://www.dotnetdotcom.org/, crawler@do... |
| 7 | 175 | 0.15 | 86 | 1.46 | +http://www.exabot.com/go/robot |
| 8 | 1871 | 1.65 | 52 | 0.88 | Intel Mac OS X 10.5 |
| 9 | 921 | 0.81 | 45 | 0.76 | Linux i686 [unknown version] |
| 10 | 103 | 0.09 | 40 | 0.68 | +http://yandex.com/bots |
| 11 | 394 | 0.35 | 38 | 0.64 | Windows 98 |
| 12 | 657 | 0.58 | 32 | 0.54 | MirrorDetector; +http://yandex.com/bots |
| 13 | 56 | 0.05 | 28 | 0.47 | +http://about.ask.com/en/docs/about/webm... |
| 14 | 14 | 0.01 | 14 | 0.24 | Windows 95 |
| 15 | 16 | 0.01 | 14 | 0.24 | +info@netcraft.com |
| 16 | 535 | 0.47 | 9 | 0.15 | Intel Mac OS X 10.4 |
| 17 | 17 | 0.01 | 9 | 0.15 | Windows NT 5.2 |
| 18 | 196 | 0.17 | 7 | 0.12 | Windows CE |
| 19 | 177 | 0.16 | 7 | 0.12 | +http://www.scoutjet.com/ |
| 20 | 66 | 0.06 | 7 | 0.12 | http://www.majestic12.co.uk/bot.php?+ |
| 21 | 209 | 0.18 | 5 | 0.08 | PPC Mac OS X Mach-O |
| 22 | 164 | 0.14 | 4 | 0.07 | PPC Mac OS X 10.4 |
| 23 | 129 | 0.11 | 4 | 0.07 | J2ME/MIDP |
| 24 | 4 | 0.00 | 4 | 0.07 | Windows NT 5.1 |
| 25 | 4 | 0.00 | 3 | 0.05 | Windows XP |
| 26 | 3 | 0.00 | 3 | 0.05 | Windows ME |
| 27 | 123 | 0.11 | 3 | 0.05 | Linux [unknown version] |
| 28 | 3 | 0.00 | 3 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 29 | 30 | 0.03 | 3 | 0.05 | http://www.search17.com/bot.php |
| 30 | 2 | 0.00 | 2 | 0.03 | Windows 2000 |
| 31 | 2 | 0.00 | 2 | 0.03 | Windows 3.1 |
| 32 | 500 | 0.44 | 2 | 0.03 | +http://www.puritysearch.net/ |
| 33 | 60 | 0.05 | 2 | 0.03 | PPC Mac OS X 10.5 |
| 34 | 4 | 0.00 | 2 | 0.03 | +http://www.sitebot.org/robot/ |
| 35 | 1 | 0.00 | 1 | 0.02 | +http://www.AboutUs.org/ |
| 36 | 35 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
