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  • Hacker News
  • Fun Fact: You can use any inline SVG for a favicon and keep it right in the HTML document.

    This also allows you to use an emoji directly as a favicon, like so:

      <link
    rel="icon"
    type="image/svg+xml"
    href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>(your emoji here)</text></svg>"
  />
    (HN isn't showing the emoji)
    by jorisw
  • Oh, I am so aligned with this mentality:

        A monitor is storage.

    A keyboard is storage.
    Forum posts are storage. Markov-approved tweaks in an edit, over time, certainly enough for quite a lot of storage. Dual-use storage to boot, since .. you know .. sometimes the comments are socially interesting.

    Best thing is, nobody really knows if their chicken casserole recipe isn't just a handle to a carefully constructed GUID pointing across to .. lets say, for humor .. a thousand different forum postings ...

    I do have to wonder if the author is familiar with PoC||GTFO, for this is certainly a technique one will find deep within the depths of the Alchemist Owls' holy tomes...

    by MomsAVoxell
  • I found the agressively staccato, clearly LLM-generated content extremely difficult to read.
    by esquivalience
  • Is this timing coincidence? I just submitted 1h (30 mins before this) ago a website I just made about storing your stock porfolio in a URL + favicon!

    https://news.ycombinator.com/item?id=48606396

    by franciscop
  • PNG has comment chunks tEXt, zTXt, and iTXt. You can have a completely normal image whose file is stuffed with as much content as you want. That is less fun, I suppose.
    by Walf
  • > You still need a tiny bootstrap loader to decode the image.

    Nope, you can do it all in a single file with an html/png polyglot (and nowadays you can get better compression ratios with newer formats like webp).

    https://web.archive.org/web/20120801001616/http://daeken.com...

    by Retr0id
  • You can use the favicon cache as storage too, by redirecting users across domains. It's been proposed as a potential fingerprinting risk[0], and if a browser naively reuses the cache for incognito mode, it could be used to track users across browser profiles.

    [0]: https://www.schneier.com/blog/archives/2021/02/browser-track...

    by sheept
  • Instead of going via pixels, why not use a SVG favicon and directly store markup inside it and extract it?

    Use this favicon.svg:

        <svg xmlns="http://www.w3.org/2000/svg">
    <circle cx="50%" cy="50%" r="50%" fill="orange"/>
    <p>hello HN!</p>
    </svg>
    use this in your <head> to use a svg favicon:

        <link id="favicon" rel="icon" href="favicon.svg" type="image/svg+xml">
    finally, use this in your <body> to extract it and add it to your document body:

        <script>
    fetch(favicon.href).then(r => r.text()).then(t => document.body.innerHTML += t.match(/<p[\s\S]*p>/)[0]);
    </script>
    by Tepix

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