Not at all, you can preload as many data as you wish and use vanilla or a companion JS framework like Alpine.js or HyperScript or any web-component to make the

Not at all, you can preload as many data as you wish and use vanilla or a companion JS framework like Alpine.js or HyperScript or any web-component to make the current page interactive without fetching the backend. It's a trade-off between the initial page size vs. additional network delay.