location = /index.html {
http2_push_preload on;
add_header Link "; as=font; rel=preload; crossorigin";
add_header Link "; as=font; rel=preload; crossorigin";
add_header Link "; as=font; rel=preload; crossorigin";
add_header Link "; as=font; rel=preload; crossorigin";
add_header Link "; as=style; rel=preload";
add_header Link "; as=script; rel=preload";
}