A computer programming language used for building software and websites, Python is a simple, powerful programming language that runs on various operating systems such as Windows, Mac, and Linux.

It is generally used to develop the back end of a website or an application. Its role involves sending data to and from servers, communicating with databases, routing URLs, and enforcing security. It’s adaptability and versatility offer dynamic programming capabilities. Developers can create scientific and systematic applications, games, graphics, web applications, and many other things.

The simple syntax of Python is easy to learn and allows developers to deal with intricate systems. Moreover, it is an advanced coding language that allows developers to conduct complex tasks, including AI and Data Science on the back end.

Thirdly, Python offers a vast set of libraries with packages of pre-written codes such as Numpy, ScitLearn, etc. that can be used to accelerate application development.

Lastly, Python offers good web development frameworks like Django, Flask, Pyramid, Web2Py, and TurboGears that help speed up web application development.

The benefits mentioned above explain why Python is a popularly preferred programming language. Let us explore some of the most popular Python web development frameworks and the advantages they offer developers.

Popular Python Web Frameworks 2023


1. Django

A high-level Python web framework offering scalability, rapid development, fast processing, and a clean design, Django is the leading web development framework of Python. It is a free, open-source framework built by experienced developers allowing other developers to shift their focus on writing the application without having to reinvent the wheel.


Django offers a valuable collection of libraries that form an extremely flexible, powerful, and comprehensive platform for building web applications of all types. It uses a model view template (MVT) based architecture established on best code organizing practices.

Because it eases the developer’s task of building and merging necessary parts to create a web server, it is even more preferred. By merely installing Django on the device, developers can access user authentication systems, URL routing, the template engine, Object Relational-Mapper (ORM), and database schema migrations, making the initial setup extremely quick.


  • It offers an automatically generated admin panel.
  • It offers a full spectrum of features for web development to support user authentication, sitemaps, and content administration.
  • It offers a high level of protection to avoid security-related errors such as SQL injections, SQL, etc.
  • It is highly scalable, versatile, and efficiently manages content management systems and scientific computing platforms.
  • It offers access to an extensive library and resources helpful in building large-scale applications.
  • Django is one of the easiest Python web frameworks to work with.
  • Applications developed using Django offer support across most operating systems, allowing developers to work with several databases at the same time.
  • It supports MVC design rules which allow developers to use web app UI and logic components separately.
  • It has an active community of experts that constantly update new plug-ins and code snippets to simplify the development process.

Top Websites Built Using Django:

  • Instagram
  • Spotify
  • Youtube
  • Pinterest
  • DropBox

2. Flask

Flask is a Python web framework that offers tools, libraries, and technologies to developers to build web applications. It is considered a micro-framework that focuses on keeping its code extensible and straightforward.

Flask’s independency on external libraries to perform framework tasks makes it simple, flexible, and independent, which is why a lot of developers prefer to begin with Flask.

However, Flask does have two dependencies. They are Werkzeug, a Web Server Gateway Interface (WSGI) utility library, and Jinja2, a template engine.
Werkzeug is a utility library and a toolkit of WSGI used in Python programming. It can register the software for functions related to request, response, and utility. It can also be used to build a framework that supports Python 2.6, 2.7, and 3.3.

Jinja2 is a template engine for programming using Python web framework to build a basic layout of the page.


  • It is scalable: Flask is simple to use and has few dependencies that enable it to run smoothly even after scaling.
  • It is Flexible: Flask has a minimal nature and is helpful in developing smaller web applications that offer flexibility.
  • It is easy to understand: The Flask microframework is easy to understand and offers developers more control over their code.
  • It offers a lightweight design: It offers the developers control over constitutable parts of the code as they are moveable and customizable.


  • Flask is independent of external libraries which makes it a lightweight framework. It offers a quick start to web development that have complex applications.
  • It is compatible with the latest technologies like Machine Learning, Cloud Computing, Agile Development, etc.
  • Flask provides developers with complete control over creating web applications. Developers can experiment with different libraries and architecture in the framework.
  • It offers developers an integrated unit testing feature that supports faster debugging, robust development, and the independence to experiment.
  • Flask supports WSGI templates that help enhance its scalability and flexibility in web development.
  • It supports secure cookies – an attribute of an HTTP request that enables channel security to ensure that only authorized persons can access the text. Basically, Flask supports the secure cookies feature.

Top Websites built using Flask:

  • MIT
  • Uber
  • Reddit
  • Netflix
  • Mozilla
  • Airbnb
  • Lyft

3. FastAPI

FastAPI is a Python web framework for Python 3.6 and its newer versions. Released in 2018, it is an open-source framework built on Starlette, utilizing standing Python-type hints. This framework is specifically designed for building fast web applications and REST APIs.

The standard FastAPI framework is built on Asynchronous Server Gateway Interface (ASGI) but can also be mounted on the Web Server Gateway Interface (WSGI) applications by employing relevant middleware.

The FastAPI framework supports an easy-to-use dependency injection solution which ensures that the different classes are not dependent on each other directly. This makes it easier for the developers to make changes to their code.

It also works with all databases and library styles for databases. While it does not necessarily require Jinja2, it is a preferred template engine by developers. Additionally, it provides TestClient for endpoint testing, making test-driven development extremely easy.


  • It offers excellent performance: FastAPI is one of the fastest Python web frameworks. Its optimum performance is enabled by ASGI, because of which it is able to support both concurrent and asynchronous code. It does so by using an async def syntax to declare endpoints.
  • It has built-in concurrency: Developers can use the async def function to declare the first path as coroutines and implement concurrent programming.
  • Injection support: It offers an easy-to-use dependency injection system to ensure the code runs correctly.
  • Support for in-built documentation: It assists developers in simplifying API endpoint testing by simplifying the use of the back end by front-end engineers.
  • Built-in validation: It allows the developers to write more compact codes by omitting proof and reducing errors.


  • It is one of the fastest Python web frameworks and offers a high performance that is on par with Node.js and GO.
  • Because it is fast to code, it increases the speed of development by 200%.
  • It uses the Pydantic module to simplify validation and speed-up typing, reducing about 40% of errors on the developer’s part.
  • It offers excellent editor support and consumes lesser time for debugging.
  • FastAPI supports asynchronous coding by declaring endpoints because of ASGI.

Top Websites built using FastAPI:

  • Netflix
  • Uber
  • Microsoft

4. Pyramid

Influenced by frameworks such as Zope, Pylons, and Django, Pyramid is an open-source Python web framework whose primary goal is to build web applications that are less complex.

It is designed to work with small as well as large web applications. Pyramid can build single-file applications using templates, asset specifications, flexible authentication, and authorization. It further offers great support for testing and comprehensive data documentation. It offers functions, decorators, renderers, and predicates.

Pyramid is a flexible Python web framework that begins from a single file module, making real-world development and deployment predictable and productive.

At its source, the Pyramid framework consists of basic URL routing mechanisms with views, useful authorization, functionalities, a large plugin set, and third-party apps that function similarly to admin panels in Django. The toolset provided in Pyramid is slightly higher than that of Flask.


  • It is simple to use: The pyramid framework is designed in a way that is easy to use.
  • It has a minimalist framework: Out of the box, Pyramid only offers the core tools that are needed for developing web applications.
  • It is speedy: Pyramid is designed to be fast and speedy.
  • It is reliable: The pyramid framework is developed conservatively and released only after exhaustive testing.
  • It is open-source code: Like Python, the Pyramid software is distributed under a permissive open-source license.


  • The Pyramid framework is highly extensible and modular which lets the developers add or remove components whenever needed.
  • It offers a flexible URL mapping system, making it easy for developers to create clean, intuitive URLs for the application.
  • It includes a plethora of features such as templating engine and request object, that makes building web applications easier.
  • Compared to Django and Flask, Pyramid offers higher flexibility.



Python will continue to remain popular among developers and testers for releasing quality applications. With an increased demand for mobile and web technologies, the requirement for developing an efficient Python framework is bound to increase.

Before choosing a Python framework, it is important to understand the functionalities and features you want in your mobile or web application. The ability of the Python framework to meet these features will determine how your project will perform.

Moreover, it is beneficial to collaborate with a software development company that understands your project’s requirements. Quixom’s team of experienced, well-vetted Python developers have experience working on projects that require the implementation of cutting-edge technologies.

We are experts at designing, developing, and maintaining Python-based solutions that drive digital growth for your enterprise.

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