About the blog platform, I honestly thought the author was being sarcastic or joking when they out it there.
It is not even vid JSON response to begin with (it's served with text/html), and if the fetcher is configured to ignore that, you might as well configure the origin server to serve the JSON response based on the accept header.
It is not even vid JSON response to begin with (it's served with text/html), and if the fetcher is configured to ignore that, you might as well configure the origin server to serve the JSON response based on the accept header.