A web built on LaTeX
johndcook.com
johndcook.com
Admittedly, though, there are a few things I miss in HTML, \footnote (placed at the end of the paragraph or so maybe?) being the most prominent one.
So recently when I compiled a huge TeX document, I assumed the compile had failed because it returned so quickly -- it seemed to return immediately -- but it completed successfully.
On the other hand, people spend ages trying to optimise HTML.