Good day, Steemian and Tech lovers! in today's tech post, we are going to look out programming languages used to develop and designed both the front-end and back-end of most popular websites.

Programming language is the act of creating whatever you want computers to perform with your brain and a computer. An instruction/algorithm is written in form of codes, computer processes the algorithm written and gives the predefined result as output if no error occurs in the codes.

A programming language is a formal constructed language designed to communicate instructions to a machine, particularly a computer. Programming languages can be used to create programs to control the behaviour of a machine or to express algorithms.

However, we have different aspect of programming languages developers can delve into the likes of Mobile developer, Software developer, Web developer, Blockchain developer etc.

Most websites we see today are programmed in Web Programming Languages such as HTML, CSS, Javascript, PHP, Python etc and most websites nowadays include web application.

web application are applications/software hosted on the server for it usage e.g office365 where Microsoft word processor can be used on the web, Gmail etc some classified web application as an interactive website where one or more actions can be performed/done e.g chatting, sending of documents etc.

Back-end (Server-side) Database

Websites	Front-end (Client-side)	Back-end (Server-side)	Database
Google.com	Javascript	C, C++, Go, Java, Python	BigTable, MariaDB
YouTube.com	Flash,HTML5, JavaScript	C/C++, Python, Java, Go	MySQL, BigTable
Facebook.com	JavaScript	Hack, PHP, C++, Java, Python, Erlang,D, Xhp	MySQL, HBase
Yahoo.com	JavaScript	JavaScript, PHP	MySQL, PostgreSQL
Amazon.com	JavaScript	Java, C++, Perl
Wikipedia.org	JavaScript	HHVM	MySQL, MariaDB
Twitter.com	JavaScript	C++, Java, Scala, Ruby on Rails	MySQL
Bing.com	JavaScript	ASP.NET	Microsoft SQL Server
eBay.com	JavaScript	Java,JavaScript	Oracle Database
MSN.com	JavaScript	ASP.NET	Microsoft SQL Server
Linkedin.com	JavaScript	Java, JavaScript, Scala	Voldemort
Pinterest.com	JavaScript	Django (a Python framework)	MySQL, Redis
WordPress.com	JavaScript	PHP	MySQL

REFERENCES

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Programming languages used in most popular websites - Wikipedia