| Site | Up Since | Server Platform | Programming Language |
|---|---|---|---|
| Google.com | November 1998 | Linux | C, Java, C++, PHP & MySQL |
| Facebook.com | February 2004 | Linux | PHP, MySQL and C++ |
| YouTube.com | February 2005 | Linux | C, Java and MySQL |
| Yahoo.com | August 1995 |
Linux | C++, C, Java, PHP & MySQL |
| MSN.com (owned by Microsoft) | August 1995 |
Windows | ASP.net |
| Live.com (owned by Microsoft) | August 2008 |
Windows | ASP.net |
| Wikipedia | January 2001 |
Linux | PHP & MySQL |
| Amazon.com | October 1995 |
Linux & Solaris | C++, Java, J2EE |
| WordPress.com | November 2005 |
Linux | PHP & MySQL |