I’m working on creating a list of metadata formats that a web publisher absolutely must support. These are formats that provide structured information in order to help with one of the following use cases:
- Help platforms to display rich previews when a link from the publisher is shared
- Help search engines to figure out what to display in results, and which information is helpful
- Help third-party clients to interact with web page data in some way (for example to extract information about an event that might be hosted on the publisher’s site)
These might include:
- Microformats 2
- Schema.org using embedded JSON+LD
- Open Graph protocol
- Twitter cards (although they’re becoming less relevant these days for obvious reasons)
Additionally, I’ve been thinking about subscription feed formats and standards that a publisher needs to support in order to help users and third-party software platforms to learn about new content.
These might include:
- RSS with WebSub
- MRSS for syndication to other media properties (like Yahoo News)
- h-feed
- ActivityStreams / ActivityPub
What am I missing?
And more importantly, how can we streamline?
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