Another way to use superscript like this...
<p>Examples of superscript</p>
<p>X <sub>4</sub>+ Y<sub>6</sub></p>
I understand from your question that you don't think it's pulling from cache. I'm not sure why you believe that or if I'm not understanding your question
According to https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/304, the HTTP 304 status code indicates
an implicit redirection to a cached resource.
Many developer tools' network ...