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 such dynamic web content vary vastly between sites.
Programming languages used in most popular websites[a]
Websites
Popularity
(unique visitors per month)[1]
Front-end
(Client-side)
Back-end
(Server-side)
Database
| Google[2]
|
2,800,000,000
|
JavaScript, TypeScript
|
C, C++, Go,[3] Java, Python, Node
|
Bigtable,[4] MariaDB[5]
|
| Facebook
|
1,120,000,000
|
JavaScript, TypeScript, Flow
|
Hack/HHVM, PHP, Python, C++, Java, Erlang, D,[6] Haskell[7]
|
MariaDB, MySQL,[8] HBase, Cassandra[9]
|
| YouTube
|
1,100,000,000
|
JavaScript, TypeScript
|
Python, C, C++, Java,[10] Go[11]
|
Vitess, BigTable, MariaDB[5]
|
| 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]
|
| Amazon
|
2,400,000,000[16]
|
JavaScript
|
Java, C++, Perl[17]
|
DynamoDB, RDS/Aurora, Redshift[18]
|
| Wikipedia
|
475,000,000
|
JavaScript
|
PHP
|
MariaDB[19]
|
| Fandom
|
315,000,000[20]
|
JavaScript
|
PHP
|
MySQL
|
| X
|
290,000,000
|
JavaScript
|
C++, Java,[21] Scala,[22] Ruby (Ruby on Rails)
|
MySQL[23]
|
| Bing
|
285,000,000
|
JavaScript
|
C++, C#
|
Microsoft SQL Server, Cosmos DB
|
| eBay
|
285,000,000
|
JavaScript
|
Java,[24] JavaScript,[25] Scala[26]
|
Oracle Database
|
| MSN
|
280,000,000
|
JavaScript
|
C# (ASP.NET)
|
Microsoft SQL Server
|
| LinkedIn
|
260,000,000
|
JavaScript
|
Java, JavaScript,[27] Scala
|
Venice[28][29]
|
| Pinterest
|
250,000,000
|
JavaScript
|
Python (Django),[30] Erlang, Elixir[31]
|
MySQL, Redis[32]
|
| WordPress.com
|
240,000,000 [33]
|
JavaScript
|
PHP[34]
|
MariaDB[35]
|
| Netflix
|
223.090.000 (Subscribers, not visitors)
|
JavaScript
|
Python, Java[36]
|
NMDB,[37] PostgreSQL
|
- ^ a b 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
|
Yes
|
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
|
.png)
3 months ago
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