Pls see the below data to know language & technology used for most popular websites across world.Those who want to decide technology for their website/s can learn from it .
Data source - Wiki & web on internet
Google (Approx. 1700 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) - C, C++, Go,[3] Java, Python
Database - BigTable, MariaDB
Facebook ( Approx. 1300 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) - Hack, PHP(HHVM), Python,C++, Java, Erlang, D,Xhp, Haskell
Database - MariaDB, MySQL, HBaseCassandra
Youtube (Approx. 1300 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) - C, C++, Python, Java, Go
Database -BigTable, MariaDB
Yahoo (Approx. 800 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) - PHP
Database -MySQL, PostgreSQL
AMAZON (Approx. 510 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) - Java, C++, Perl
Database -Oracle Database
Wiki (Approx. 480 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – PHP, Hack
Database -MySQL, MariaDB
Twitter (Approx. 300 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – C++, Java, Scala, Rubyon Rails
Database -MySQL
Bing (Approx. 300 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – ASP.Net
Database –MS SQL Server
EBAY (Approx. 300 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – Java, JavaScript
Database –Oracle Database
MSN.Com (Approx. 300 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – ASP.NET
Database –MS SQL Server
Microsoft (Approx. 300 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – ASP.NET
Database –MS SQL Server
Linkedin (Approx. 270 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – Java, JavaScript,Scala
Database –Voldemort
Pinterest (Approx. 260 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – Django (a Pythonframework), Erlang
Database –MySQL, Redis
Wordpress (Approx. 250 million unique visitor per Month )
Front End ( Clientside) – JavaScript,
Backend ( server Side ) – PHP, JavaScript (Node.js)
Database –MariaDB, MySql
