Open with MV Experience
Put it next to the link to your .mvexperience file. With the app installed, a tap opens your experience. Without it, your viewer lands on a page that says what to do.
The link ends with the address of your file, percent-encoded. That address must start with https.
HTML, text link
<a href="https://link.mvexperience.app/open?url=https%3A%2F%2Fexample.com%2Fmy-film.mvexperience">Open with MV Experience</a>
HTML, dark badge
<a href="https://link.mvexperience.app/open?url=https%3A%2F%2Fexample.com%2Fmy-film.mvexperience"><img src="open-with-mv-experience-dark.svg" alt="Open with MV Experience" width="200" height="56"></a>
HTML, light badge
<a href="https://link.mvexperience.app/open?url=https%3A%2F%2Fexample.com%2Fmy-film.mvexperience"><img src="open-with-mv-experience-light.svg" alt="Open with MV Experience" width="200" height="56"></a>