Question 1

What Twitter card type does pubmed.ncbi.nlm.nih.gov use?

Accepted Answer

pubmed.ncbi.nlm.nih.gov uses the `summary_large_image` card type. This renders a large hero image above the title and description - the most engaging format.

Question 2

Does pubmed.ncbi.nlm.nih.gov declare image dimensions?

Accepted Answer

pubmed.ncbi.nlm.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 pubmed.ncbi.nlm.nih.gov use for social previews?

Accepted Answer

pubmed.ncbi.nlm.nih.gov's social headline is "PubMed" (6 characters).

Question 4

What description does pubmed.ncbi.nlm.nih.gov use for social previews?

Accepted Answer

pubmed.ncbi.nlm.nih.gov's social description reads: "PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may includ…" (223 characters).

Question 5

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

Accepted Answer

pubmed.ncbi.nlm.nih.gov sets `og:site_name` to "PubMed". This appears as a small attribution label on Facebook, LinkedIn, and Slack.

Question 6

What's the biggest issue with pubmed.ncbi.nlm.nih.gov's Twitter / X preview?

Accepted Answer

Description is 223 characters - truncated on most platforms. LinkedIn cuts at ~100, Facebook at ~130, Google at ~160 characters.

Question 7

How can I improve pubmed.ncbi.nlm.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` (1200×675), a clear `og:title` under 60 characters, and a 50-155 character `og:description`.

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