Option A: Netlify Drop / Tiiny.host (30 Seconds, No Coding)
Fastest
1. Put the downloaded index.html inside a new folder on your computer.
2. Go to app.netlify.com/drop or pages.cloudflare.com.
3. Drag and drop the folder onto the page. It immediately gives you a permanent https://your-name.netlify.app link you can open on your phone and "Add to Home Screen"!
Option B: GitHub Pages (Permanent Custom URL)
Most Popular
1. Create a free repository on github.com (e.g., german-audio) and upload index.html.
2. Go to Settings → Pages, select the main branch, and click Save.
3. Your site will be live at https://yourusername.github.io/german-audio/.