Question 1

What is openstreetmap.org's Open Graph type?

Accepted Answer

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

Question 2

Does openstreetmap.org declare image dimensions?

Accepted Answer

openstreetmap.org sets `og:image` but does not include `og:image:width` and `og:image:height`. Explicit dimensions let platforms render the preview faster without downloading the image first.

Question 3

What headline does openstreetmap.org use for social previews?

Accepted Answer

openstreetmap.org's social headline is "OpenStreetMap" (13 characters).

Question 4

What description does openstreetmap.org use for social previews?

Accepted Answer

openstreetmap.org's social description reads: "OpenStreetMap is a map of the world, created by people like you and free to use under an open license." (102 characters).

Question 5

What site name does openstreetmap.org display on social cards?

Accepted Answer

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

Question 6

What's the biggest issue with openstreetmap.org's Slack preview?

Accepted Answer

Missing twitter:card tag. Without this, Twitter may not show a preview card at all.

Question 7

How can I improve openstreetmap.org'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`.

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