ajlyon/translators — comment on commit 8762e4e03fa60c6b0938e60c4adeb543c5ddd29d
File: Embedded Metadata.js	 line 123
By ajlyon:

This is *not* always a good choice; the OpenGraph type could equally well fit blog posts, newspaper articles, and journal articles. I've set it to newspaperArticle, but my testing so far shows that many of these tags are on non-newspaper sites like blogs.