I always opt for HTML 4.01 Strict, just because the way XHTML is deployed on most sites is not actually XHTML, due to the mimetype that's being set. It really e

I always opt for HTML 4.01 Strict, just because the way XHTML is deployed on most sites is not actually XHTML, due to the mimetype that's being set. It really exists as badly malformed HTML. Furthermore, I wouldn't say it's propaganda. In a sense it's somewhat like the difference between functional programming and non-functional programming, i.e there's a difference there in the interest of maintainability.