環境

クロスオリジンのとき

-	Chromium	Firefox	Safari
遷移(GET)	None/Lax	None/Lax	None/Lax
遷移(POST)	None	None	None
fetch(GET/POST)	None	-	- (None※1)

-	Chromium	Firefox	Safari
遷移(GET)	None/Lax	None/Lax/Strict	None/Lax/Strict
遷移(POST)	None	None/Lax/Strict	None/Lax/Strict
fetch(GET/POST)	None	None/Lax/Strict	None/Lax/Strict

Chromium	Firefox	Safari
不可	不可	不可