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.
Programming languages used in most popular websites*
Websites
|
Popularity (unique visitors per month)[1]
|
Front-end (Client-side)
|
Back-end (Server-side)
|
Database
|
Notes
|
Google[2]
|
2,800,000,000
|
JavaScript, TypeScript
|
C, C++, Go,[3] Java, Python, Node
|
Bigtable,[4] MariaDB[5]
|
The most used search engine in the world.
|
Facebook
|
1,120,000,000
|
JavaScript, Typescript, Flow
|
Hack/HHVM, Python, C++, Java, Erlang, D,[6] Haskell[7]
|
MariaDB, MySQL,[8] HBase, Cassandra[9]
|
The most visited social networking site.
|
YouTube
|
1,100,000,000
|
JavaScript, TypeScript
|
Python, C, C++, Java,[10] Go[11]
|
Vitess, BigTable, MariaDB[5]
|
The most popular video sharing site.
|
Yahoo
|
750,000,000
|
JavaScript
|
PHP
|
PostgreSQL, HBase, Cassandra, MongoDB,[12]
|
|
Etsy
|
516,000,000 (Total, not unique)[13]
|
JavaScript
|
PHP[14]
|
MySQL, Redis[15]
|
E-commerce website.
|
Amazon
|
2,400,000,000[16]
|
JavaScript
|
Java, C++, Perl[17]
|
DynamoDB, RDS/Aurora, Redshift[18]
|
The most used e-commerce site in the world.
|
Wikipedia
|
475,000,000
|
JavaScript
|
PHP
|
MariaDB[19]
|
A free online encyclopedia based on MediaWiki, which is programmed in PHP.
|
Fandom
|
315,000,000[20]
|
JavaScript
|
PHP
|
MySQL
|
Wiki hosting service.
|
X
|
290,000,000
|
JavaScript
|
C++, Java,[21] Scala,[22] Ruby (Ruby on Rails)
|
MySQL[23]
|
Popular social network.
|
Bing
|
285,000,000
|
JavaScript
|
C++, C#
|
Microsoft SQL Server, Cosmos DB
|
Search engine from Microsoft.
|
eBay
|
285,000,000
|
JavaScript
|
Java,[24] JavaScript,[25] Scala[26]
|
Oracle Database
|
Online auction house.
|
MSN
|
280,000,000
|
JavaScript
|
C# (ASP.NET)
|
Microsoft SQL Server
|
An email client, for simple use. Previously known as "messenger", not to be confused with Facebook's messaging platform.
|
LinkedIn
|
260,000,000
|
JavaScript
|
Java, JavaScript,[27] Scala
|
Venice[28][29]
|
World's largest professional network.
|
Pinterest
|
250,000,000
|
JavaScript
|
Python (Django),[30] Erlang, Elixir[31]
|
MySQL, Redis[32]
|
Search engine for ideas.
|
WordPress.com
|
240,000,000 [33]
|
JavaScript
|
PHP[34]
|
MariaDB[35]
|
Website manager software.
|
Netflix
|
223.090.000 (Subscribers, not visitors)
|
JavaScript
|
Python, Java[36]
|
NMDB,[37] PostgreSQL
|
The biggest video streaming service in the world.
|
*data on programming languages is based on:
- HTTP Header information
- Request for file types
- Citations from reliable sources
Back-end (Server-side) table in most popular websites
Websites
|
C#
|
C
|
C++
|
D
|
Elixir
|
Erlang
|
Go
|
Hack
|
Haskell
|
Java
|
JavaScript
|
Perl
|
PHP
|
Python
|
Ruby
|
Scala
|
Google
|
No
|
Yes
|
Yes
|
No
|
No
|
No
|
Yes
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Yes
|
No
|
No
|
Facebook
|
No
|
No
|
Yes
|
Yes
|
No
|
Yes
|
No
|
Yes
|
Yes
|
Yes
|
No
|
No
|
No
|
Yes
|
No
|
No
|
YouTube
|
No
|
Yes
|
Yes
|
No
|
No
|
No
|
Yes
|
No
|
No
|
Yes
|
No
|
No
|
No
|
Yes
|
No
|
No
|
Yahoo
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
No
|
Etsy
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
No
|
Amazon
|
No
|
No
|
Yes
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
Yes
|
No
|
No
|
No
|
No
|
Wikipedia
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
No
|
Fandom
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
No
|
X
|
No
|
No
|
Yes
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
No
|
No
|
Yes
|
Yes
|
Bing
|
Yes
|
No
|
Yes
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
eBay
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
No
|
No
|
Yes
|
MSN
|
Yes
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
LinkedIn
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
No
|
No
|
Yes
|
Pinterest
|
No
|
No
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
WordPress.com
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
No
|
Netflix
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
No
|
Yes
|
No
|
No
|
No
|
Yes
|
No
|
No
|
See also
References
|
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