Uvicorn is an incredibly fast, lightweight, and efficient ASGI (Asynchronous Server Gateway Interface) server designed for Python web applications. Capitalizing on the power of asyncio, it enables rapid and concurrent request handling, enhancing your web applications' performance. Uvicorn is compatible with ASGI-supported frameworks like FastAPI and Starlette. Its minimalistic design and versatility make it suitable for serving HTTP, WebSockets, or other protocols. To optimize performance, Uvicorn can be combined with process managers, like Gunicorn, to support multiple worker processes. Therefore, Uvicorn delivers a complete package for improving your web applications' scalability and robustness.

11
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Websites using Uvicorn by countrymarket share · top 4 countries
🇺🇸United States
9.1%
🇳🇱Netherlands
9.1%
🇮🇳India
9.1%
🇧🇷Brazil
9.1%
0%2.5%5%7.5%10%
Websites using Uvicorn by industrydetected industries
Technology & Computing · 50%Software Development · 50%MARKETSHARE
Technology & Computing50%
Software Development50%

Websites using Uvicorn

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Frequently asked

What is Uvicorn?
Uvicorn is an ASGI (Asynchronous Server Gateway Interface) server implementation that is designed for running Python async web applications. It is built on top of the uvloop and httptools libraries, providing high performance and concurrency support.
Which web frameworks are supported by Uvicorn?
Uvicorn supports any ASGI-compatible web frameworks, including popular choices such as FastAPI, Starlette, and Django Channels.
Is Uvicorn compatible with Python 2?
No, Uvicorn is only compatible with Python 3.6 or higher, as it heavily relies on asyncio and type hinting features introduced in recent Python versions.
How can I deploy Uvicorn in a production environment?
For a production environment, it is recommended to use a process manager like Gunicorn to manage your Uvicorn instances. You can run Uvicorn worker instances behind Gunicorn to fully utilize your system's resources and handle multiple requests concurrently.
Can I use Uvicorn with WSGI applications?
Uvicorn is designed specifically for ASGI applications, so it cannot directly run WSGI applications. However, you can use an ASGI-WSGI adapter like 'asgiref' or 'daphne' to run WSGI applications through an ASGI server like Uvicorn.