Briefly summarize the issues you have been experiencing.
I am trying to achieve progress loading with fetch and it not working correctly because Netlify server returns Content-Length for gzip packed data. Can netlify server add content length for unpacked data too?
Please provide a link to your live site hosted on Netlify
What have you tried as far as troubleshooting goes? Do you have an idea what is causing the problem?
Do you have any other information that is relevant, such as links to docs, libraries, or other resources?