It's always interesting to me that these plaintext sites are flagged as "insecure" and "risky" by modern browsers. I don't have a good solution, but it reminds me of [1]
[1](https://meyerweb.com/eric/thoughts/2018/08/07/securing-sites...)
[1](https://meyerweb.com/eric/thoughts/2018/08/07/securing-sites...)
The format being text, html, video, or an executable program has nothing to do with it.