One or two spaces after a period? How about three?

I’d always heard it was to try to minimize rivers in text. I don’t see that mentioned.<p><a href="https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;River_(typography)" rel="nofollow noreferrer">https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;River_(typography)</a>

I&#x27;ve always been annoyed by the way html treats whitespace. Having more space between sentences is so much more readable.