> Purists who refuse to load websites with JS are such a small percentage of visitors they can be safely ignored.
Except they are not[0]. Besides micro browsers there's screen readers that can't even use sites that customize a bunch of div elements with no accessibility tags.
For most commercial purposes screen readers can be safely ignored, they are not used by big spenders. Social share cards can be previewed readily and easily prepared without impacting the main content of the website.
Microbrowsers do not run JavaScript. That means if all the routing is handled by JavaScript or the only HTML served is a script tag a microbrowser will show nothing. More and more JavaScript monstrosities do not properly show up in share sheets because they offer no meaningful content to a microbrowser.
Except they are not[0]. Besides micro browsers there's screen readers that can't even use sites that customize a bunch of div elements with no accessibility tags.
[0] https://24ways.org/2019/microbrowsers-are-everywhere/