You could intercept the clicks with JS and add a special header, like htmx does, to return fragments, otherwise fall back to full documents. Edit: rather than

You could intercept the clicks with JS and add a special header, like htmx does, to return fragments, otherwise fall back to full documents. Edit: rather than a header, dynamically adding a query parameter to the URL of the element that was clicked would probably fit better with htmz's approach.