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open-graph

When the user wants to add or optimize Open Graph metadata for social sharing. Also use when the user mentions "Open Graph," "og:tags," "og:title," "og:image," "og:description," "Facebook preview," "LinkedIn preview," or "social share preview." For X (Twitter) link previews, use twitter-cards. For SERP title/description, use title-tag and meta-description.

日本語の概要は準備中です。原文の説明を表示しています。

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SEO On-Page: Open Graph

Guides implementation of Open Graph meta tags for social media previews (Facebook, LinkedIn, Slack, Discord, etc.). Pages with proper OG tags get 2–3× more clicks than bare URL links.

When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.

Scope (Social Sharing)

  • Open Graph: Facebook-originated protocol; controls preview card when links are shared on social platforms

The 4 Essential Tags

Every shareable page requires these minimum tags:

<meta property="og:title" content="Your Page Title">
<meta property="og:description" content="Your description">
<meta property="og:image" content="https://yourdomain.com/image.png">
<meta property="og:url" content="https://yourdomain.com/page">
TagGuideline
og:titleKeep under 60 chars; compelling; match page content
og:description150–200 chars; conversion-focused
og:imageAbsolute URL (https://); 1200×630px recommended
og:urlCanonical URL; deduplicates shares

Recommended Additional Tags

TagPurpose
og:typeContent type: website, article, video, product
og:site_nameWebsite name; displayed separately from title
og:image:width / og:image:heightImage dimensions (1200×630px)
og:image:altAlt text for accessibility
og:localeLanguage/territory (e.g., en_US); for multilingual sites

Image Best Practices

ItemGuideline
Size1200×630px (1.91:1 ratio) for Facebook, LinkedIn, WhatsApp
FormatJPG, PNG, WebP; under 5MB
URLAbsolute URL with https://; no relative paths
UniqueOne unique image per page when possible

Common Mistakes

  • Using relative image URLs instead of absolute https://
  • Images too small or wrong aspect ratio
  • Empty or placeholder values
  • Missing og:url (canonical)

Implementation

Next.js (App Router)

export const metadata = {
  openGraph: {
    title: '...',
    description: '...',
    url: 'https://example.com/page',
    siteName: 'Example',
    images: [{ url: 'https://example.com/og.jpg', width: 1200, height: 630, alt: '...' }],
    locale: 'en_US',
    type: 'website',
  },
};

HTML (generic)

<meta property="og:title" content="Your Title">
<meta property="og:description" content="Your description">
<meta property="og:image" content="https://example.com/og.jpg">
<meta property="og:url" content="https://example.com/page">
<meta property="og:type" content="website">
<meta property="og:site_name" content="Your Site">
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="630">
<meta property="og:image:alt" content="Alt text">

Testing

Related Skills

  • social-share-generator: Share buttons use OG tags for rich previews when users share; OG must be set for share buttons to show proper cards
  • article-page-generator: Use og:type article for article/post pages; article-specific tags (published_time, author)
  • page-metadata: Hreflang, other meta tags
  • title-tag: Title tag often mirrors og:title
  • meta-description: Meta description often mirrors og:description
  • twitter-cards: Twitter uses OG as fallback; add Twitter-specific tags for best results
  • canonical-tag: og:url should match canonical URL
  • og-image-generator: Programmatic OG image generation — 6 visual styles (Terminal/CLI, Magazine Editorial, Swiss Minimal, Pixel Retro, Brutalist, Newspaper), Satori+resvg, Puppeteer, AI image generation tools, and Agent-Native content-aware workflow. This skill covers how to SET the image tag; og-image-generator covers how to CREATE the image.

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