No thanks, I very much prefer my serif fonts. If you prefer sans-serif for plain html pages, why don't you change the default font in your own browser instead of trying to convince everyone to force their preference onto everyone else? That way we can all have the kind of fonts we prefer...

An <A> link can't do POST requests, and GET requests should be idempotent, so you'll need to use either Javascript or a form with a button to trigger back-end events.