Question 1

What is nih.gov's Open Graph type?

Accepted Answer

nih.gov declares `og:type` as `Article`. This tells Slack how to categorize the content when generating a preview.

Question 2

Does nih.gov declare image dimensions?

Accepted Answer

nih.gov 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 nih.gov use for social previews?

Accepted Answer

nih.gov's social headline is "National Institutes of Health (NIH) |" (37 characters).

Question 4

What description does nih.gov use for social previews?

Accepted Answer

nih.gov's social description reads: "Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Depart…" (379 characters).

Question 5

What site name does nih.gov display on social cards?

Accepted Answer

nih.gov sets `og:site_name` to "National Institutes of Health (NIH)". This appears as a small attribution label on Facebook, LinkedIn, and Slack.

Question 6

What's the biggest issue with nih.gov's Slack preview?

Accepted Answer

No og:title - falling back to <title> tag. Set og:title to control social sharing independently from your page title.

Question 7

How can I improve nih.gov'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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