A Python web framework for building fast, scalable HTML applications with minimal code using HTMX and hypermedia principles.
FastHTML is a Python web framework that enables developers to create fast, scalable HTML applications with minimal code. It uses HTMX and hypermedia principles to build interactive web apps without writing JavaScript, mapping directly to HTML and HTTP while leveraging Python's full ecosystem.
Python developers who want to build interactive web applications quickly without dealing with complex JavaScript frameworks, and those interested in hypermedia-driven development approaches.
Developers choose FastHTML for its minimal code approach, seamless HTMX integration for interactivity, and the ability to build full-featured web apps using only Python while maintaining good software engineering practices.
The fastest way to create an HTML app
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Enables building web apps entirely in Python with syntax that maps 1:1 to HTML and HTTP, leveraging the full Python ecosystem without context switching, as highlighted in the core philosophy.
Integrates HTMX for dynamic behavior through server-rendered HTML partials, eliminating JavaScript in many cases, as shown in the minimal app example where clicks trigger server updates.
Promotes writing compact, expressive code to achieve complex functionality, demonstrated by creating an interactive page with just a few lines in the usage example.
Supports installable component libraries via pip for extensibility, though the README notes this is a future feature, indicating a focus on modular design.
As a new framework, it lacks comprehensive documentation and a mature ecosystem; the README admits users must study source code for undocumented features and patterns.
Relies solely on HTMX for interactivity, which may not suffice for applications needing real-time updates or complex client-side logic without additional JavaScript workarounds.
Tied to Python for both backend and front-end logic, making it unsuitable for projects requiring integration with non-Python stacks or specific tools from other languages.