Question 1

Does react.dev declare image dimensions?

Accepted Answer

react.dev 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 2

What headline does react.dev use for social previews?

Accepted Answer

react.dev's social headline is "React" (5 characters).

Question 3

What description does react.dev use for social previews?

Accepted Answer

react.dev's social description reads: "React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React…" (260 characters).

Question 4

What's the biggest issue with react.dev's Google Search preview?

Accepted Answer

Description is 260 characters - truncated on most platforms. LinkedIn cuts at ~100, Facebook at ~130, Google at ~160 characters.

Question 5

How can I improve react.dev'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` (1200×630), a clear `og:title` under 60 characters, and a 50-155 character `og:description`.

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