Software:Programming languages used in most popular websites

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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][15] MySQL, Redis[16] E-commerce website.
Amazon 2,400,000,000[17] JavaScript Java, C++, Perl[18] DynamoDB, RDS/Aurora, Redshift[19] The most used e-commerce site in the world.
Wikipedia 475,000,000 JavaScript PHP MariaDB[20] A free online encyclopedia based on MediaWiki, which is programmed in PHP.
Fandom 315,000,000[21] JavaScript PHP MySQL Wiki hosting service.
X 290,000,000 JavaScript C++, Java,[22] Scala,[23] Ruby (Ruby on Rails) MySQL[24] 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,[25] JavaScript,[26] Scala[27] 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,[28] Scala Venice[29][30] World's largest professional network.
Pinterest 250,000,000 JavaScript Python (Django),[31] Erlang, Elixir[32] MySQL, Redis[33] Search engine for ideas.
WordPress.com 240,000,000 [34] JavaScript PHP[35] MariaDB[36] Website manager software.
Netflix 223.090.000 (Subscribers, not visitors) JavaScript Python, Java[37] NMDB,[38] 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
YouTube No Yes Yes No No No Yes No No Yes No No No Yes No No
Facebook No No Yes Yes No Yes Yes Yes Yes Yes No No No Yes No No
Yahoo No Yes Yes No No No Yes No No Yes Yes Yes Yes Yes Yes Yes
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
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 Yes No No No No Yes No No Yes No No No Yes No No

See also

References

  1. "Top 15 Most Popular Websites May 2018". eBiz. http://www.ebizmba.com/articles/most-popular-websites. 
  2. searchenginewatch.com - Google Hits the Billion Monthly Unique Visitors Mark
  3. Rob Pike (2012). Go at Google. Presentation at the ACM conference on Systems, Programming, Languages and Applications: Software for Humanity (SPLASH).
  4. "Google's Bigtable". http://andrewhitchcock.org/?post=214. 
  5. 5.0 5.1 "Google Waves Goodbye To MySQL In Favor Of MariaDB". readwrite.com. 14 September 2013. http://readwrite.com/2013/09/14/google-waves-goodbye-to-mysql-in-favor-of-mariadb#awesm=~omBpxaeC3cblHt. 
  6. "Facebook is using D in production starting today". http://forum.dlang.org/thread/l37h5s$2gd8$1@digitalmars.com. 
  7. "Fighting spam with Haskell". Facebook Engineering. Facebook. 26 June 2015. https://code.facebook.com/posts/745068642270222/fighting-spam-with-haskell/. 
  8. "MySQL and Database Engineering". https://www.facebook.com/notes/facebook-engineering/mysql-and-database-engineering-mark-callaghan/10150599729938920. 
  9. "Cassandra – A structured storage system Developed By Facebook". https://www.facebook.com/notes/facebook-engineering/cassandra-a-structured-storage-system-on-a-p2p-network/24413138919. 
  10. "YouTube Architecture - High Scalability -". http://highscalability.com/blog/2008/3/12/youtube-architecture.html. 
  11. "Golang Vitess: a database wrapper written in Go as used by Youtube". 28 September 2022. https://github.com/youtube/vitess. 
  12. "World's Largest Database Running on Postgres". http://it.toolbox.com/blogs/oracle-guide/worlds-largest-database-runs-on-postgres-24979. 
  13. Jennewine, Trevor (2021-02-01). "Where Will Etsy Be in 5 Years?" (in en). https://www.fool.com/investing/2021/02/01/where-will-etsy-be-in-5-years/. 
  14. "Improving the Deployment Experience of a Ten-Year Old Application". 2021-06-15. https://codeascraft.com/2021/06/15/improving-the-deployment-experience-of-a-ten-year-old-application/. 
  15. Garg, Sumit (25 April 2023). "Top Programming Languages for Mobile App Development Updated in 2023" (in en). https://www.konstantinfo.com/blog/top-programming-languages/. 
  16. "How Etsy Prepared for Historic Volumes of Holiday Traffic in 2020". 2021-02-25. https://codeascraft.com/2021/02/25/how-etsy-prepared-for-historic-volumes-of-holiday-traffic-in-2020/. 
  17. Coppola, Daniela (2022-07-14). "Worldwide-visits-to-Amazon.com-December-2021-to-May-2022-(in billions)" (in English). www.statista.com. https://www.statista.com/statistics/623566/web-visits-to-amazoncom/. 
  18. "Amazon Architecture". http://highscalability.com/blog/2007/9/18/amazon-architecture.html. 
  19. "Amazon's consumer business ditches Oracle's databases" (in en-US). 2019-10-15. https://siliconangle.com/2019/10/15/amazon-finally-ditched-oracles-databases-favor/. 
  20. "Wikipedia Adopts MariaDB". Wikimedia Foundation. 22 April 2013. http://blog.wikimedia.org/2013/04/22/wikipedia-adopts-mariadb/. 
  21. "Fandom Expands Its Revenue Business with the Launch of New Self-Serve…" (in en-US). https://about.fandom.com/news/fandom-expands-its-revenue-business-with-the-launch-of-new-self-serve-ad-platform-focus-on-global-expansion-doubling-down-on-its-gaming-business-2. 
  22. "Twitter and Java | go.Java | Oracle" (in en-US). https://go.java/twitter.html. 
  23. Venners, Bill. "Twitter on Scala". http://www.artima.com/scalazine/articles/twitter_on_scala.html. 
  24. "How Twitter Stores 250 Million Tweets A Day Using MySQL". http://highscalability.com/blog/2011/12/19/how-twitter-stores-250-million-tweets-a-day-using-mysql.html. 
  25. "eBay Architecture". http://highscalability.com/ebay-architecture. 
  26. "How We Built eBay's First Node.js Application". 17 May 2013. http://www.ebaytechblog.com/2013/05/17/how-we-built-ebays-first-node-js-application/. 
  27. "squbs". https://paypal.github.io/squbs/. 
  28. "LinkedIn Moved From Rails To Node: 27 Servers Cut And Up To 20x Faster". http://highscalability.com/blog/2012/10/4/linkedin-moved-from-rails-to-node-27-servers-cut-and-up-to-2.html. 
  29. "project-voldemort mailing list post. 2018-08-16.". https://groups.google.com/d/msg/project-voldemort/aMDySxVfga8/SFI8gI8xEAAJ. 
  30. "Venice Performance Optimization". https://engineering.linkedin.com/blog/2018/04/venice-performance-optimization. 
  31. "FAQ:General". https://docs.djangoproject.com/en/1.7/faq/general/#is-django-stable. 
  32. "Introducing new open-source tools for the Elixir community". https://engineering.pinterest.com/blog/introducing-new-open-source-tools-elixir-community. 
  33. "How We Scaled Pinterest From Zero Users To A $2 Billion Valuation". Business Insider. http://www.businessinsider.com/how-we-scaled-pinterest-2013-4?op=1&IR=T. 
  34. N, G (2022-12-27). "WordPress Traffic Statistics Lookup" (in English). www.northsgate.com. https://northsgate.com/visits-to-wordpress-com/. 
  35. "PHP Environment" (in en). 2019-02-26. https://wordpress.com/support/php-environment/. 
  36. "WordPress.com PHP Environment". 26 February 2019. https://wordpress.com/support/php-environment/. 
  37. "Netflix, Inc." (in en). https://github.com/Netflix. 
  38. Blog, Netflix Technology (2019-02-03). "The Netflix Media Database (NMDB)" (in en). https://netflixtechblog.com/the-netflix-media-database-nmdb-9bf8e6d0944d.