What's the right method to set a new prerender or prefetch in HTML?

Question

Answer 1

1) You don't need to use both prefetch and prerender links, you only need prerender. A prerender link will load everything prefetch does, and more.

2) To answer your question, use method 2 and insert another prerender link with javascript. Something link this:

Or if you use jQuery:

$("head").append('');