@abombin Can you be more specific in what you mean when you say “link generated by Auspice”? What’s an example of a URL you’d like to use HSTS?
We may be able to add the Strict-Transport-Security header to nextstrain.org and/or auspice.us, but note that wouldn’t impact a local server using Auspice. For that you’d want to add the headers to your own deployment, such as at a reverse proxy.
Ah, I see. Yeah, HSTS isn’t applicable in that case because of the emphemeral nature of nextstrain view, plus it doesn’t support HTTPS. You could put a TLS-terminating reverse proxy in front of nextstrain view (or auspice view) and apply HSTS headers there if you wanted.