The homepage currently sets the og:type Open Graph property to blog, but that’s not a valid value, it causes warnings in the Facebook sharing debugger tool:

This PR sets it to website instead, which magma already uses.

Currently the currentUrl field of the Head template, which controls the og:url tag (only that right now), is always set to req.url. This results in wrong URLs there, because segments are chopped off from req.url during routing, see examples below.