Frankly, if the Ubuntu Desktop team “switch” from making a deb of Chromium to making a snap, I doubt they’d switch back. It’s a tremendous amount of work for developer(s) to maintain numerous debs across all supported releases. Maintaining a single snap is just practically and financially more sensible.

Even as machine-readable data begins to permeate the web, it is typically distributed in a separate file, with a separate format, and very limited correspondence between the human and machine versions.

The content should always be the same. For news articles, specify the “NewsArticle” type. The headline should match your article’s title. The image object refers to the hero image of the article.

If you can, use AMP like any other JavaScript library to build your site and forget about the canonical linking. Using AMP to build a whole website dramatically reduces your maintenance burden.