For areas that need server side, if you use say react and return a JSON you have to deserialize and do the render. It might be much more efficient to just replace.

Having said that I use HTMX /alpinejs for small projects, and still trust react for bigger more interactive ones.

[1] https://alpinejs.dev/

It is quite pleasant to work with, because you don't have to worry about a constant stream of vulnerabilities or supply chain attacks. You just vendornthe script in your repo, add it as a <script> tag on the page, and you're done.

Of course, it's impossible to know for sure what was LLM processed or not, but some of your posts (like this one) have been getting classified that way.