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FastHTML – Modern web applications in pure Python (fastht.ml)

867 points by bpierre · 742 days ago · 210 comments on HN

Article summary

FastHTML is a Python library for building web applications, allowing developers to create modern web apps in pure Python. It brings together Python, HTMX, and other technologies to provide a fast and scalable way to build web applications. The library is designed to be easy to use and provides a simple way to create web apps, from simple dashboards to complex applications. FastHTML is built on top of solid web foundations and does not rely on the latest trends or fads.

Main themes

  • Python web development
  • FastHTML library
  • HTMX technology
  • Web application building
  • Scalability and performance
  • Python ecosystem

What commenters say

  • FastHTML is a great option for Python developers who want to build web applications without having to learn JavaScript or use a separate frontend framework.
  • The library's approach to generating HTML from Python code is seen as both innovative and potentially limiting by some commentators, who argue that it may not be suitable for large-scale or complex applications.
  • Some commentators argue that FastHTML's use of Python for both backend and frontend development could lead to a coupling of concerns and make it harder to work with designers or frontend developers who are not familiar with Python.
  • Others see FastHTML as a way to simplify web development and make it more accessible to developers who are already familiar with Python, and argue that the library's use of HTMX and other technologies provides a powerful and flexible way to build web applications.
  • There is a debate about the suitability of FastHTML for large-scale or commercial applications, with some commentators arguing that it may not be ready for production use and others seeing it as a viable alternative to established frameworks like Django or React.
  • Some commentators appreciate the simplicity and ease of use of FastHTML, while others are concerned about the potential limitations and trade-offs of using a Python-only approach to web development.