Cannot view webpage source in Safari on iPhone

There has never been a button or menu item on the iPhone/iPad to view webpage source code (only the Mac), but this article shows 7 ways you may be able to accomplish that.

https://appletoolbox.com/view-web-page-source-on-iphone-ipad/

If you think that would be a valuable feature to add to Safari, you can send a feature request to Apple here:

Feedback - Safari - Apple

Here are two ways to purportedly do this, one using JavaScript and one using a shortcut:

https://apple.stackexchange.com/questions/413040/how-to-view-page-source-in-safari-browser-on-an-iphone