Individual skill

twitter-cards

Use when applies to any page intended to be shared on X (Twitter). Use when auditing social sharing previews or adding social meta tags to a new site.

skills/twitter-cards/SKILL.md

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# Add Twitter Card meta tags

Pages shared on X without Twitter Cards show only a bare link; Cards add an image and description that significantly increase click-through rates from social traffic.

## Quick Reference

- Add `<meta name="twitter:card" content="summary_large_image">` to enable rich previews when shared on X (Twitter)
- Minimum required tags: `twitter:card`, `twitter:title`, `twitter:description`
- X falls back to Open Graph tags (`og:title`, `og:image`) if Twitter-specific tags are absent
- Recommended image size for `summary_large_image`: 1200×630 px, max 5 MB, JPG/PNG/WebP

## Check

Inspect `<head>` for `<meta name="twitter:card">`, `<meta name="twitter:title">`, `<meta name="twitter:description">`, and `<meta name="twitter:image">`. Verify the card type is valid (`summary` or `summary_large_image`). Test the URL in the X Card Validator.