Question 1

What is marginalia.nu's Open Graph type?

Accepted Answer

marginalia.nu declares `og:type` as `website`. This tells Slack how to categorize the content when generating a preview.

Question 2

Does marginalia.nu have a social share image?

Accepted Answer

No - marginalia.nu does not currently set an `og:image` or `twitter:image`. Slack will fall back to extracting an image from the page or render no preview image at all.

Question 3

What headline does marginalia.nu use for social previews?

Accepted Answer

marginalia.nu's social headline is "www.marginalia.nu" (17 characters).

Question 4

What description does marginalia.nu use for social previews?

Accepted Answer

marginalia.nu's social description reads: "You may be looking for one of the following things
🔗 Search Engine 🔗 Encyclopedia (not mobile-friendly!) 🔗 Website Explorerimproved 🔗 Similar Webs…" (467 characters).

Question 5

What site name does marginalia.nu display on social cards?

Accepted Answer

marginalia.nu sets `og:site_name` to "marginalia.nu". This appears as a small attribution label on Facebook, LinkedIn, and Slack.

Question 6

What's the biggest issue with marginalia.nu's Slack preview?

Accepted Answer

No social share image found. Without an image, your shared links get significantly fewer clicks. Posts with images receive 2-3x more engagement.

Question 7

How can I improve marginalia.nu's social previews?

Accepted Answer

Review the recommendations above - they list specific issues and provide ready-to-paste meta tag snippets. The highest-impact fixes are usually a properly sized `og:image` (800×418), a clear `og:title` under 60 characters, and a 50-155 character `og:description`.

How marginalia.nu Looks on Slack

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