AFAIU you can invalidate the browser cache for a certain resource by hand: > To delete the HTTP Cache, you just have to either issue a POST request to the reso

AFAIU you can invalidate the browser cache for a certain resource by hand: > To delete the HTTP Cache, you just have to either issue a POST request to the resource, or use the fetch API with cache: "reload" in a way that returns an error on the server (eg, by setting an overlong HTTP referrer), which will lead to the browser not caching the response, and invalidating the previous cached response. https://sirdarckcat.blogspot.com/2019/03/http-cache-cross-site-leaks.html https://sirdarckcat.blogspot.com/2019/03/http-cache-cross-si...