18 Famous Websites Built with Python in 2025

While binge-watching the latest Netflix series or replying to your Instagram DMs, have you ever wondered about the technology stack built on these awesome websites? If you have guessed Python, you are absolutely right!

Many of today’s most successful software companies use Python for their website’s backend. Python programming language is a powerful and widely used computer language. Web development, data science, Machine Learning, Deep Learning, Big Data, and other fields can benefit.

Guido van Rossum designed Python in 1991. It is a popular programming language among both novice and experienced programmers. Python programmers adore the language’s readability and straightforward syntax. It can also be used in game development, social networking applications, and data visualization.

18 Popular Websites Built with Python

Python’s popularity, in and of itself, is proof that it is well worth adding to your development toolkit. On the other hand, which major tech giants employ Python for web development? Let’s have a look at the top 18 well-known websites that were built with Python.

If you are aspiring to explore Python through a self-paced course, try GUVI’s Python self-paced certification course with IIT Certification.

1. Netflix

Netflix is the world’s most popular internet television network, with over 33 million subscribers in 40 countries watching over one billion hours of TV shows and movies each month, including Netflix’s original series.

Netflix developers use Python because of its comprehensive standard library, short and clear yet expressive syntax, big developer community, and abundance of third-party libraries.

Netflix is the perfect example of a firm that has kept up with technological advancements. Netflix used to rent DVDs by mail, but it swiftly hopped on the digital bandwagon and grew to become one of the world’s most popular streaming services.

2. Google

Google is the most extensively used search engine on the planet. It is another primary Python-based website. Developers can switch traffic and manage search requirements for each level using the language and its supporting infrastructure.

Using Python, Google is a web application that operates smoothly and without errors during development. Python is now an official language at Google, with many applications ranging from system development and administration to code evaluation.

Python is also utilized in many of Google’s cutting-edge machine learning and AI projects, which is becoming increasingly crucial in big tech as the need for data analytics grows.

3. YouTube

YouTube, a Google subsidiary, was built primarily in Python. The world’s largest video streaming site, which has been distracting us from existential sorrow with funny videos since 2005, is a prime real-world example of Python in web development.

Python powers the site in various ways, including view video, administrator video, data access, and website control templates, to name a few. It has various features and libraries that make the user experience more dynamic.

It has been designed to make the process of uploading, downloading, and sharing videos as simple as possible. Surprisingly, it didn’t start that way. The initial codebase for YouTube was PHP. However, after a few months, the creators decided to switch to Python because of the latter’s superior speed, performance, and flexibility.

4. Instagram

The backend of Instagram, the world’s most popular online photo-sharing program, is written in Python. Instagram presently has the world’s largest Django web framework deployment, fully built-in Python.

It’s user-friendly, straightforward, tidy, and logical. Instagram’s user interface is made possible through Python web programming. It’s also great for building a team of developers because the platform’s scalability isn’t an issue.

Python is used to create APIs, search mechanisms, and other features. That’s something I’m sure you didn’t know!

5. Uber

Python was used to create the ride-hailing service, making about 15 million journeys every day. Python, Node.js, Go, and Java is their major tech stack. Python frameworks such as Django and Flask are also widely utilized to create various features of Uber.

While Python isn’t Uber’s only programming language (it makes up approximately 35% of their tech stack), it is the backbone of its back-end operations. This includes data analytics features for forecasting supply and demand, user surges, and arrival times—all of which are highly mathematical operations that Python excels at.

6. Pinterest

Pinterest, a virtual pinboard and social bookmarking platform has been on our screens for over a decade. Users can create image collections for everything from dogs to wedding gowns to origami art. Python was chosen as the company’s first programming language because it allowed them to scale and construct reliable apps.

The organization uses a variety of third-party Python modules for communication and configuration management. The site’s persistent dependence on machine learning, on the other hand, strongly suggests that Python is still a key component of its software stack.

7. Dropbox

Dropbox is a place where you can save all your images, documents, videos, and data. Also, one of the world’s foremost providers of cloud storage solutions, Dropbox, employs Python web programming in its tech stack.

It uses the programming language to host files and lets users interface with various application components in real-time. It is still at the forefront of the industry today, and Python is responsible for most of its success.

Dropbox has used Python on both the server and client sides since its inception. Dropbox chose the language because of its cross-platform capabilities and readability, allowing them to implement, test quickly, and deploy new product features.

The organization is so committed to Python that it hired Guido van Rossum, the language developer, from 2012 to 2019.

8. Quora

Quora is probably the most well-known Q&A site on the internet, and it’s best recognized for its intriguing questions and occasionally dubious solutions. It is another site that heavily relies on Python.

Because Quora is such a dynamic site, Python has allowed them to construct and test new functionality with fewer lines of code, allowing them to speed up the creation of new features.

Quora’s backend uses a variety of Python packages, including Tornado and PyPy, among others. The codebase has changed dramatically in the last five years. Today, the Python application serves as a foundation for Quora’s whole development.

9. Spotify

Spotify allows you to listen to select music or albums right away, with almost no buffering. Since its inception in 2008, the app has grown to over 75 million paid customers and employs Python significantly in its software. Python’s simplicity and readability were required because the company wanted to focus on speed. The organization uses Python async frameworks for IO-bound services. Spotify’s web backbone, which consists of multiple interconnected services, heavily relies on Python. Around 80% of these, according to the business, are written in Python. Luigi, a Spotify-developed data analytics tool, which drives Spotify’s Radio and Discovers features and recommendations, was built to swiftly prototype complex data processes. Luigi is also written in Python.

10. Reddit

Reddit is a social news aggregation platform usually referred to as the internet’s front page. The server-side of Reddit is written in Python. The company admires the programming language because of its vast libraries. Even new developers may get started coding on the project because the code is exceptionally expressive, understandable, and straight. When every time you send a request to Reddit via your browser, the web server utilizes Python to translate it. The relevant HTML is subsequently sent back, which you see in your browser. You can think of Python as the link between your server request and what appears on your screen in this situation.

11. Facebook (Meta)

Facebook (now renamed Meta), the world’s most popular social networking site, has kept us connected to our friends and stalking exes since 2004. Unless you’ve been living under a rock, you’re aware that the site is involved in various activities, from messaging to live-streaming. As a result, its products and services are available in multiple languages. On the other hand, Python plays a significant role, accounting for at least 21% of their codebase.

12. Amazon

Amazon also uses Python. Thanks to Amazon, we can get almost anything delivered to our doorsteps at the touch of a button, and we don’t have to worry about how it gets there. Amazon employees, in particular, have created Python machine learning algorithms that work with the company’s Hadoop data storage system. Amazon’s well-known recommendation engine, which urges us to buy new things, is powered by this powerful analytics stack. Python assists Amazon is recommending even more items for us to believe by analyzing user search and purchase habits. Isn’t it cool?

13. Yahoo!

Yahoo!, Google’s main competitor, uses the Python programming language in various projects. Yahoo! Maps makes use of the language and its frameworks. Although Yahoo Maps is losing ground to competing map service providers, it still has several valuable features. Apart from that, Python is used in several Yahoo interface designs. The language has provided platform search capabilities akin to Google.

14. Instacart

Instacart promises one-hour grocery delivery from your favorite merchants. It quickly becomes one of the most popular grocery delivery applications, with over 500,000 users and $2 million in sales. They make the estimates using Python or R code, which reads all of the data, calculates how many shoppers we’ll need in the next week or two, and then writes those values. In North America, the grocery delivery and pick-up service now service 5,500 cities. Python is used to estimate, validate, and read data from many sources. They can use Machine Learning methods to find demand and supply approximations with the language’s help. Instacart heavily uses the vocabulary in its development.

15. Disqus

Disqus, a well-known commenting plugin, moderates incoming content and assists in comment control. This global comment hosting service allows users to leave comments on thousands of blogs and websites worldwide. It has Django-powered social media integrations, statistics, and tools for controlling one’s online profile. For security features and frequent security fixes, it uses Python and its framework Django. The plugin supports multiple sign-ins and notifications to keep users informed. Python programming plays a significant role in this.

16. Survey Monkey

Survey Monkey may be the first name that comes to mind when conducting online surveys. Ryan Finley’s cloud-based Software as a Service company, which he launched in 1999, was similarly built entirely in Python. Python has made it simple to use and incredibly interactive. It gives the site a more interactive and user-friendly feel. It can handle a lot of traffic, and Python helps with scaling. Python is used by Survey Monkey, one of the most valuable research tools, because of its extensibility and readability.

17. Bitly

Bitly, a prominent link management software founded by Peter Stern in 2008, shortens almost 600 million connections every year. Python is also responsible for the creation of this website. It maintains over 600 million URLs per year and is the world’s most popular URL shortener. Because of Python’s popularity as a user-friendly programming language for constructing websites, aspiring programmers and web developers worldwide are taking advantage of web development training to master this user-friendly programming language.

18. Lyft

Lyft is the fastest-growing ride-hailing service in the United States, with more than 200 locations and 14 million monthly rides. Lyft is one of several company logos on-hire bikes, scooters, and cars worldwide. Python is a favorite of Lyft’s. NumPy, Pandas, and PuLP are commonly used by services to serve requests via Flask, Gevent, and Gunicorn. To combat fraud, they use SciPy, and to provision hosts, they use Salt. They also operate their web server with Flask, serving data with scikit-learn, and manipulating using Pandas. In a nutshell, they use Python extensively!

Conclusion

Python is a popular choice for web development because of its basic capabilities. To begin with, Python is a free, open-source, and widely used programming language. But, more crucially, it is extremely adaptable. Python enables programmers to design websites using a variety of programming techniques. It can be used for both object-oriented and functional programming, for example. It also can type dynamically. This is advantageous for web development since it needs less coding and facilitates debugging.

That’s all there is to it! Python, as we’ve seen, is a powerful and widely used programming language with a wide range of applications, including web development. If you’re new to coding, we hope our list of top 18 Python website examples has demonstrated how beneficial adding this string to your bow is.

Do we hope this article has inspired you to take the plunge with learning Python for web development? Let us know your thoughts in the comment section below!

If you are aspiring to explore Python through a self-paced course, try GUVI’s Python self-paced certification course with IIT Certification.

FAQs

1. Is it possible to create a website with Python?

Yes, Python can be used to create a website, and it can be done pretty quickly. Even though Python is a general-purpose programming language, it naturally extends to web development.

2. What well-known websites make use of Python?

Most popular websites, such as Google, Netflix, Instagram, and YouTube, employ Python programming language in their backend.

3. How does Netflix use Python?

According to developers, python is utilized throughout the whole content lifecycle at Netflix, from security tools to recommendation algorithms and its proprietary content delivery network (CDN) Open Connect. Python-based apps manage the majority of Netflix’s network equipment.

4. Is Python used by Amazon?

Yes. Amazon, one of the most well-known players in the online marketplace, employs Python in a number of aspects of its platform. Implemented in Amazon’s product and deal recommendation system, which analyses and recommends things to customers using Artificial Intelligence and Machine Learning.

5. In Website Development, which Python framework is most commonly used?

Django. It is the most popular full-stack Python framework, ranking among the top five web frameworks in 2025. It is open-source and free to use, with many functions that make web building much more accessible.