HPM2's iframe tag should have a customizable title or aria-label attribute.

[rlacorne]

For accessibility purpose, it is critical that iframes are titled or labeled.

While it is possible to bind a mutation observer on a webpage to detect when the iframe has loaded and then set an attribute, this method requires additional process and is not optimal.

See : https://dequeuniversity.com/tips/provide-iframe-titles for information.