Steering your way through the bustling metropolis of web development can feel like a real pickle, especially with the landslide of programming languages one must contend with these days.

As a seasoned developer myself, I have put on my digital wellies and braved daunting trenches to decipher which programming languages are in vogue at popular websites such as Facebook, Google and Amazon.

Key Takeaways

  • JavaScript is the most commonly used programming language for web development, allowing developers to add dynamic interactions to websites.
  • Due to its stability and reliability, Java is popular for backend development and building large-scale applications.
  • Python is a versatile and dynamic language that can be used for various purposes in web development, software development, data analysis, and more.
  • PHP is widely used for server-side scripting to create dynamic web pages that can interact with databases.

Popular Websites and Their Programming Languages

programming languages

Facebook uses JavaScript and PHP for its website development, while Google utilizes JavaScript and Java.

Facebook (JavaScript, PHP)

Facebook is a top name in website popularity. The site was made with JavaScript and PHP. At first, Facebook was mostly built using PHP. This helped create the front end of the site that we all use.

For other parts, they used JavaScript and more programming tools. Sites like Wikipedia and WordPress were also done with these languages. In fact, 79% of sites use PHP! This includes big names like Facebook itself.

programming languages

Google (JavaScript, Java)

Google is big on Java and JavaScript. These two languages help Google’s websites run smoothly. Java is like the backbone that holds everything together. It keeps data safe and manages a lot of heavy-duty tasks behind the scenes.

JavaScript makes sure you have a good time when you visit Google sites. It lets you interact with pages in real time without waiting for them to reload every time you click something.

You can see it at work on YouTube, which uses JavaScript to show videos right in your web browser!

Microsoft (C#, TypeScript)

Microsoft uses C# and TypeScript for web programming. TypeScript is the fourth loved language for working together in coding. Websites like YouTube use it a lot, with more than one billion lines of code! They also use other languages – Python, Java, Go, plus C and C++.

Web and desktop apps are great places to use TypeScript. The popularity of this language has shot up high! Microsoft also uses C#, mainly on its own platforms and apps.

Amazon and AWS (Java, Python)

Amazon and AWS make wide use of Java and Python. These languages help in lots of areas. They aid in web apps, software making, data science, machine learning, and cloud computing. Python is a top pick for Amazon when it comes to data digging and machine learning tasks.

Java has been with Amazon for over 20 years as a tool for coding web applications. This tells us how flexible Java and Python are. They can do many tasks well. It shows why they are key tools in areas like Amazon Web Services (AWS).

Pinterest (Python, JavaScript)

Pinterest is a special site. It uses Python and JavaScript to work well. They use Python with something called Django to make the site. Erlang and Elixir also help Pinterest run smoothly.

MySQL keeps all of Pinterest’s data safe. For fast service, they use Redis for caching things. This makes it easy for you to pin ideas quickly!

Yahoo (PHP, JavaScript)

Yahoo uses PHP a lot. They build their back-end systems and web apps with it. This makes Yahoo’s site run smoothly and fast. JavaScript is another language they use often. It helps to make the site better for people who visit it.

Database tools like Vitess, BigTable, and MariaDB also play a part in Yahoo’s tech stack. These tools help handle lots of data well for users. Python, PHP, and JavaScript show how Yahoo creates great web technology!


Twitter (Ruby, JavaScript)

Twitter uses two main coding types. One is Ruby, and the other is JavaScript. The Ruby language helps with the look of Twitter’s site. It is easy to use and quick to build with. This makes it perfect for a busy website like Twitter’s one.

Alongside, they use JavaScript as well. It brings fun things to life on your screen when you click or scroll over them! Did you know that most websites use JavaScript? Yes, even big ones like Twitter do!

Tencent Holdings (Java, JavaScript)

At Tencent Holdings, we use Java and JavaScript to build our large-scale and distributed systems. Java is a popular programming language that we use for developing our web applications, especially those that require scalability and high performance.

JavaScript, on the other hand, is widely used as a front-end language in the popular websites associated with Tencent Holdings. We also make use of other programming languages like TypeScript, Python, C, C++, and Go in various projects.

At Tencent Holdings, we prioritize selecting the right programming language to ensure the success of our web development endeavours.

Alibaba (Java, JavaScript)

Alibaba, one of the most popular websites and platforms in China, primarily uses Java and JavaScript as its programming languages. Java is used for backend development and building large-scale applications, while JavaScript is used for client-side scripting and interacting with users.

These languages are widely adopted in the web development industry, reflecting their importance and effectiveness. Additionally, utilizes PHP as a scripting language for creating websites.

With its use of Java and JavaScript, Alibaba demonstrates its commitment to utilizing widely used technologies in the web development field.

Netflix (JavaScript, Java)

Netflix, one of the most popular websites for streaming movies and TV shows, relies on two main programming languages: JavaScript and Java. These languages are essential for their web development process.

JavaScript is used to create interactive elements on their website, allowing users to have a smooth and engaging experience. It helps with features like searching for content, navigating through different categories, and playing videos seamlessly.

On the other hand, Java is utilized by Netflix for building robust backend systems and large-scale applications that can handle high volumes of data. Both these languages play a vital role in ensuring that Netflix operates smoothly and provides an enjoyable user experience.

The Most Commonly Used Programming Languages for Web Development

programming languages

JavaScript is widely used for client-side scripting and interaction with users, while Java is popular for backend development and building large-scale applications. Python is known for its versatility and dynamic nature, making it a preferred choice for web development.

PHP is commonly used for server-side scripting to create dynamic web pages, while Ruby’s simple syntax makes it popular for web applications. TypeScript, a superset of JavaScript, offers improved scalability.

JavaScript (Client-Side Scripting, Interaction With Users)

JavaScript is the most commonly used programming language for web development. It allows web developers to add dynamic interactions to web pages and applications. With JavaScript, you can create dynamically updated content, control multimedia like videos and audio, and even animate images on your website.

It’s a versatile tool that helps make websites more engaging and user-friendly. In fact, 97.7% of all websites use JavaScript as a client-side programming language. So, suppose you’re a business owner or marketer looking to enhance your online presence. In that case, it’s important to understand the power of JavaScript in creating interactive and dynamic experiences for your users.

Java (Backend Development, Large-Scale Applications)

Java is one of the most commonly used programming languages for web development, particularly for backend development and large-scale applications. It is considered an exemplary language for building the backend of websites and applications due to its stability and reliability.

Java ranks among the top three programming languages globally for backend development, making it a popular choice for businesses. Its versatility and ability to handle complex tasks efficiently make it an ideal option for established applications and projects requiring scalability.

If you’re looking to build a robust and high-performing website or application, Java is definitely worth considering.

Python (Versatile, Dynamic Language)

Python is an incredibly versatile and dynamic programming language that can be used for various purposes. It is a high-level language that makes it easier to write and understand code, making it a great choice for both beginners and experienced developers.

Python is widely used in web development, software development, task automation, data analysis, and data visualization. Its versatility allows businesses to use Python for a wide range of projects and applications.

Additionally, Python is highly sought after in the field of artificial intelligence (AI) development, making it an excellent option for businesses looking to explore AI technologies.

PHP (Server-Side Scripting, Dynamic Web Pages)

PHP is a widely used programming language for web development. It allows us to create dynamic web pages that can show customized content and interact with databases. With PHP, we can easily integrate it into HTML, which is the standard language for creating websites and applications.

As a business owner or marketer, you can benefit from using PHP because it provides simplicity and ease of use in building your website or web application. So, consider using PHP if you want to create interactive and dynamic content for your target audience.

Ruby (Simple Syntax, Popular for Web Applications)

I love using Ruby for building web applications. Its syntax is simple and easy to understand, making it popular among developers. It’s especially useful when combined with the Ruby on Rails framework.

Compared to other programming languages, learning Ruby is relatively easy. Many businesses choose Ruby, along with Python, for developing their web applications. So, if you’re looking for a language that’s readable and great for web development, give Ruby a try!

TypeScript (a Superset of JavaScript Improved Scalability)

TypeScript is a powerful programming language that extends JavaScript. It offers improved scalability, making it ideal for large-scale or enterprise-level applications. With TypeScript, you get additional language features and reference validation to help ensure code correctness and project scalability compared to JavaScript alone.

In fact, TypeScript is ranked 8th according to the PYPL Index, showing its popularity among developers. By using TypeScript, you can reduce technical debt and take advantage of strong typing capabilities, providing more robustness to your web development projects.

The Importance of Choosing the Right Programming Language for Web Development

Choosing the right programming language for web development is crucial as it influences the performance, scalability, and overall success of a project.

Consider Project Requirements and Goals

When choosing a programming language for web development, it is crucial to consider the specific requirements and goals of your project. The right programming language choice can greatly impact the success of your web development project.

Factors such as customization, software development companies, project specifications, and compatibility with existing systems should be evaluated. Additionally, assessing the language’s performance, community support, and scalability are important considerations.

By considering these aspects and aligning them with your project objectives, you can choose the best programming language that will meet your needs and ensure a successful outcome for your web development project.

Assess the Language’s Performance, Community Support, and Ecosystem

When choosing a programming language for web development, it is important to assess its performance, community support, and ecosystem. The performance of a language directly impacts the speed and efficiency of your application.

Consider factors like execution time and memory usage to ensure optimal performance. Additionally, community support plays a crucial role in troubleshooting and getting assistance when needed.

Look for active online communities, forums, and resources that can help you overcome challenges along the way. Moreover, the ecosystem associated with a programming language provides access to libraries, frameworks, and development resources that can enhance productivity and save time.

Evaluate Compatibility With Existing Systems and Technologies

It’s essential to consider compatibility with existing systems and technologies when choosing a programming language for web development. This means ensuring that the language you choose can seamlessly integrate with your current infrastructure, software applications, protocols, and frameworks.

By evaluating compatibility, you can avoid potential issues such as system conflicts or limitations in functionality. It’s important to align the new programming language with your established technology stack to maintain consistency and make sure all components work together smoothly.

Choosing a compatible language will help you build digital products or solutions that are harmonized with your existing systems and tools.

Plan for Scalability and Future Growth

Choosing the right programming language for web development is crucial. It directly impacts a website’s ability to handle increased traffic and data as it grows. Scalability, which means handling growing demands without sacrificing performance, is essential for future growth.

When planning for scalability, consider factors such as performance, scalability features, and community support of the chosen programming language. Also, ensure that the selected language allows seamless integration with new technologies and frameworks to accommodate future growth effectively.

By making these considerations now, we can set our website up for success in handling increased user traffic and data as it expands.

Trends and Emerging Programming Languages in Web Development

Explore the exciting world of web development trends and discover the emerging programming languages that are shaping the future of website creation.

Golang (for Building Highly Efficient and Concurrent Applications)

Golang, a programming language developed by Google engineers, is widely used for building highly efficient and concurrent applications. Its robust performance has made it a popular choice in web development.

Golang delivers better performance compared to languages like Java, making it ideal for backend web applications and mobile development. With its focus on efficiency and concurrency, Golang offers businesses the opportunity to create high-performing and scalable applications that can meet the demands of modern users.

Dart (for Developing Mobile and Web Applications)

Dart is a programming language developed by Google that is specifically optimized for building fast apps on various platforms. As a developer, I find Dart to be highly productive and versatile for developing both web and mobile applications.

One of the key benefits of using Dart is its compatibility with Flutter, an open-source UI SDK that allows me to create beautiful and user-friendly apps. With Dart, I can build high-performance applications for the web, server, and mobile platforms, making it a valuable tool in my development arsenal.

Kotlin (for Android Development)

Kotlin is a popular programming language for Android development. It is used by over 60% of professional Android developers because it offers several advantages. Kotlin is an object-oriented language that can be used as an alternative to Java, the traditional language for Android development.

It enhances productivity and efficiency, making it easier for developers to create high-quality apps. One of the reasons behind its popularity is its compatibility with the Android platform and its large user community.

In addition, Kotlin offers enhanced performance and scalability, allowing businesses to build robust and efficient mobile applications. Its object-oriented nature makes it easier to write clean and maintainable code, resulting in faster development cycles and quicker time-to-market for your app.

With Kotlin, you can leverage existing Java libraries seamlessly while enjoying modern features that improve code readability and developer productivity.

Overall, choosing Kotlin for your Android development projects can lead to better app performance, increased developer efficiency, and seamless integration with the Android ecosystem.

programming languages

Rust (for systems Programming, High Performance)

Rust is a programming language that is known for its high performance and suitability for systems programming. It offers efficiency, reliability, security, and robustness in code development.

With its focus on code safety, Rust provides similar performance to languages like C and C++, making it a popular choice for web development projects. It seamlessly integrates with other programming languages in codebases and can be used for various applications, including low-level system code and constructing an OS kernel.

Rust’s adaptability and emphasis on performance make it a valuable tool for businesses looking to build secure and efficient web applications or infrastructure.

Swift (for iOS and macOS App Development)

As a business owner, marketing manager, software developer, or marketer, you may be interested in Swift for iOS and macOS app development. Swift is a programming language developed by Apple specifically for building apps for iOS devices like iPhones and iPads, as well as Mac computers.

It’s also used to develop apps on other Apple platforms like Apple Watch and Apple TV.

One of the reasons why Swift has gained popularity among developers is its clean, concise, and intuitive syntax. This means that the code written in Swift is easier to read and understand compared to other programming languages.

Additionally, being a compiled language allows Swift to deliver faster performance when running your app.

It’s worth mentioning that although initially designed only for native iOS development, today Swift can also be used for macOS app development and even applications on Linux operating systems.

This versatility makes it an attractive choice if you’re looking to build apps across different platforms.


In conclusion, the most popular websites use a variety of programming languages for their development. JavaScript is the most commonly used language, followed by Java, Python, PHP, and Ruby.

Choosing the right programming language for web development is essential and depends on project requirements, scalability needs, and compatibility with existing systems. It’s also important to stay updated with emerging languages like Golang and Dart to meet future demands in website programming.

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