Top 10 Programming languages used in Popular websites

10. Front-end:JavaScript, Back-end:C++, Java, Scala, Ruby on Rails
Twitter is an online social networking and microblogging service that enables users to send and read short 140-character text messages, called "tweets". Registered users can read and post tweets, but unregistered users can only read them.
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9. Bing Front-end:JavaScript, Back-end:ASP.NET
Bing is a search engine that brings together the best of search and people in your social networks to help you spend less time searching and more time doing.
8. Blogger Front-end:JavaScript, Back-end:Python
Free weblog publishing tool from Google, for sharing text, photos and video.
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7. Front-end:JavaScript, Back-end:PHP
Wikipedia, the free encyclopedia
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6. Front-end:JavaScript, Back-end:ASP.NET
Log on for News, Cricket, Bollywood, Videos, IE9 and access formerly Hotmail, Skype on MSN
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5. Front-end:JavaScript, Back-end:ASP.NET is a free, personal email service from Microsoft. Keep your inbox clutter-free with powerful organizational tools
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4. Yahoo Front-end:JavaScript, Back-end:PHP
Yahoo! Inc. is an American multinational Internet corporation headquartered in Sunnyvale, California.
3. Flash, Front-end:JavaScript, Back-end:C/C++, Python, Java
YouTube is a video-sharing website, created by three former PayPal employees in February 2005 and owned by Google since late 2006, on which users can upload, view and share videos.
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2. Front-end:JavaScript, Back-end:Hack, PHP, C++, Java, Python, FBML, Erlang, D, Xhp
Facebook is an online social networking service. Its name comes from a colloquialism for the directory given to students at some American universities.
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1. Front-end:JavaScript, Back-end:C, C++, Go, Java, Python
Google is an American multinational corporation specializing in Internet-related services and products. These include online advertising technologies, search, cloud computing, and software. Most of its profits are derived from AdWords.
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JavaScript (JS) is a dynamic computer programming language. It is most commonly used as part of web browsers, whose implementations allow client-side scripts to interact with the user, control the browser, communicate asynchronously, and alter the document content that is displayed.[5] It is also being used in server-side programming, game development and the creation of desktop and mobile applications.