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Link Preview Manifest: A Proposal for the Fediverse (www.quippd.com)
submitted 8 months ago by to c/fediverse@lemmy.world
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Starting in Firefox version 142, Mozilla released a “Link Previews” feature.

While the feature is problematic, commenters pointed out that some previews are helpful – e.g. on Wikipedia, where a preview will appear when people hover over a wiki-linked page.

Other commenters pondered about some minimal way to replicate this elsewhere, and it seemed to be worth investigation. Read on as I propose an enhancement to the Fediverse (and maybe even web standards) to make Link Previews great: the Link Preview Manifest.

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[–] 2 points 8 months ago (4 children)

This will just lead to more requests being made.

Also anonymous requests, like those done by Mastodon to generate previews should be cached at the CDN or web server level, making them inexpensive to serve.

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  • [–] [S] 2 points 8 months ago (3 children)

    It really feels like you didn't read my post. I specifically called out caching as a concern, and even if we see more requests, they will be cheap to serve.

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  • [–] 1 point 8 months ago (2 children)

    I definitely did read it.

    This idea is so bad that I'm not even going to bother elaborating.

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  • [–] [S] 3 points 8 months ago (1 child)

    Okay - it would have been nice to learn where the proposal fails, but I understand that I can't access your expertise for free. Take it easy!

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  • [–] 2 points 8 months ago

    Man, I am a cranky bastard sometimes. Shouldn't post when I'm tired.

    How about - the origin server, the place where the post was originally created, gets all the metadata (og:image, og:title, etc) and includes that in the Activity that tells other instances about the post? That way there is only one request made to the link and receiving instances can use that to make their preview?

    It does mean that receiving instances will need to trust the sender so there's potential for some misrepresentation but that seems acceptable to me.

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