Programming Languages used in most "Popular Websites"

One thing the most visited?websites?have in common is that they are?dynamic websites. Their?development?typically involves?server-side coding,?client-side coding?and?database technology. The programming languages applied to deliver dynamic web content, however, vary vastly between sites.

Google: The most used search engine in the world.

• Popularity (unique visitors per month): 1,600,000,000
• Front-end (Client-side): JavaScript,?TypeScript
• Back-end (Server-side): C, C++, PHP, Go, Java, Python, TI-BASIC, Node
• Database: Bigtable, MariaDB

Facebook: The most visited social networking site.

• Popularity (unique visitors per month): 1,120,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): Hack, PHP (HHVM), Python, C++, Java, Erlang, D, XHP, Haskell
• Database: MariaDB, MySQL, HBase, Cassandra

YouTube: The most popular video sharing site (Owned by Google).

Popularity (unique visitors per month): 1,100,000,000

• Front-end (Client-side): JavaScript, TypeScript
• Back-end (Server-side): C, C++, Python, PHP, Java, Go
• Database: Vitess, BigTable, MariaDB

Yahoo: Yahoo provides a web portal, search engine Yahoo Search, and related services.

• Popularity (unique visitors per month): 750,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): PHP
• Database: PostgreSQL, HBase, Cassandra, MongoDB

Etsy: E-commerce website

• Popularity (unique visitors per month): 516,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): PHP
• Database: MySQL, Redis

Amazon: The most used e-commerce site in the world.

• Popularity (unique visitors per month): 500,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): Java,?PHP,?C++,?Perl
• Database: DynamoDB, RDS/Aurora, Redshift

Wikipedia: A free online encyclopedia based on?MediaWiki.

• Popularity (unique visitors per month): 475,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): PHP
• Database: MariaDB

Fandom: Wiki hosting service

• Popularity (unique visitors per month): 315,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): PHP
• Database: MySQL

Twitter: Popular social network.

• Popularity (unique visitors per month): 290,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): C++, Java, Scala, Ruby
• Database: MySQL

Bing: Search engine from Microsoft.

• Popularity (unique visitors per month): 285,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): C++,?C#
• Database: Microsoft SQL Server,?Cosmos DB

Ebay: Online auction house

• Popularity (unique visitors per month): 285,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): Java, JavaScript, Scala
• Database: Oracle Database

MSN: An email client, for simple use. Previously known as "messenger", not to be confused with Facebook's messaging platform.

• Popularity (unique visitors per month): 280,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): C#
• Database: Microsoft SQL Server

LinkedIn: World's largest professional network. Since December 2016, it has been a wholly owned subsidiary of?Microsoft. As of September?2021,?LinkedIn has 774+ million registered members from over 200 countries and territories.

• Popularity (unique visitors per month): 260,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): Java, JavaScript, Scala
• Database: Venice

Pinterest: Search engine for ideas.

• Popularity (unique visitors per month): 250,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): Python?(Django), Erlang
• Database: MySQL,?Redis

Wordpress: Website manager software

• Popularity (unique visitors per month): 240,000,000
• Front-end (Client-side): JavaScript
• Back-end (Server-side): PHP
• Database: MariaDB