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DjangoCon and Devoxx Belgium recently reported examples of interactive web applications developed without JavaScript developers. The showcased htmx HTML-first framework seems to target those applications that mainly propose a friendly interface to CRUD operations over remote resources. In one case, the team was able to remove the JavaScript developer.
At DjangoCon 2022, David Guillot reported reimplementing his company’s SaaS product with HTML-first framework htmx in two months with the following results:
Guillot gladly mentioned that 15,000 lines of JavaScript code disappeared from the codebase; performance improved (as measured by time to interactive and memory usage); the only JavaScript developer in the team left and back-end developers turned to full stack developers.
The htmx team however warns that such spectacular results were achieved because this particular SaaS application was a good fit for htmx’s HTML-first approach:
These are eye-popping numbers, and they reflect the fact that the Contexte application is extremely amenable to hypermedia: it is a content-focused application that shows lots of text and images. We would not expect every web application to see these sorts of numbers.
However, we would expect many applications to see dramatic improvements by adopting the hypermedia/htmx approach, at least for part of their system.
At Devoxx Belgium 2022, Wim Deblauwe showcased the kind of interactivity that htmx can implement without any JavaScript: search-as-you-type input field, update of the user interface as some remote resource is affected by CRUD operations, regularly refresh the user interface with server-sent data, and more.
The htmx team considers an application a good fit for the framework if the UI is mostly text and images; the UI mostly interfaces CRUD operations; and HTML updates mostly take place within well-defined blocks. Conversely, applications with many, dynamic interdependencies, that require offline…
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