HTMX vs WASM - more backend or more frontend?
05-31, 09:50–10:20 (Europe/London), Music Hall

Mozilla has been promoting WASM for years, on the other hand, HTMX is gaining attraction. Question is, do we want more frontend or more backend? Do we still need to write JavaScripts?

In the first half of the talk we would explore the history of WASM and the Iodide project, what they enable and the closing of the Iodide project. Then we will talk about the rise of the Pyodide project and what this project enables - including another popular framework - PyScript. There will be some quick code demo of both Pyodide and PyScript.

In the second half of the talk, we will switch our attention to HTMX, what's the idea behind it and how it can be used to access AJAX, CSS Transitions, WebSockets and Server-Sent Events directly in HTML. There will also be some code demos of how to use HTMX, especially using it together with Django.

In the last part of the talk, there will be a conclusion, do we want more backend or more frontend? And most importantly, will web developers ever need to write JavaScript anymore?


The attendee of this talk will explore several popular tools in recent years which will make them rethink their approach to building their applications. Hopefully, by seeing the live demos, they are encouraged to try these tools out and learn more about the use case and how it can help them in future projects.


  • Opening (1 min)
  • Introduction to WASM, Iodide and Pyiodide (5 mins)
  • Code demo of Pyodide and PyScript (7 mins)
  • introduction of HTMX (5 mins)
  • Code demo of HTMX with Django (7 mins)
  • Conclusion, discussion and Q&A (5 mins)

Before working in Developer Relations, Cheuk has been a Data Scientist in various companies which demands high numerical and programmatical skills, especially in Python. To follow her passion for the tech community, Cheuk is now the Developer Advocate at Anaconda. Cheuk also contributes to multiple Open Source libraries like Hypothesis and Pandas.

Besides her work, Cheuk enjoys talking about Python on personal streaming platforms and podcasts. Cheuk has also been a speaker at Universities and various conferences. Besides speaking at conferences, Cheuk also organises events for developers. Conferences that Cheuk has organized include EuroPython (which she is a board member), PyData Global and Pyjamas Conf. Believing in Tech Diversity and Inclusion, Cheuk constantly organizes workshops and mentored sprints for minority groups. In 2021, Cheuk has become a Python Software Foundation fellow.

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