Agent Skills
› sediman-agent/OpenSkynet
› open-graph
open-graph
GitHub指导为网页添加或优化 Open Graph 元数据以改善社交媒体分享预览。涵盖 Facebook、LinkedIn 等平台的必备标签规范、图片最佳实践及 Next.js/HTML 实现方案，提升点击率。
Trigger Scenarios
用户希望添加或优化 Open Graph 元数据
提及 Open Graph, og:tags, og:title, og:image, og:description, Facebook preview, LinkedIn preview, social share preview
Install
npx skills add sediman-agent/OpenSkynet --skill open-graph -g -y
SKILL.md
Frontmatter
{
"name": "open-graph",
"metadata": {
"version": "1.1.0"
},
"description": "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."
}
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">
| Tag | Guideline |
|---|---|
| og:title | Keep under 60 chars; compelling; match page content |
| og:description | 150–200 chars; conversion-focused |
| og:image | Absolute URL (https://); 1200×630px recommended |
| og:url | Canonical URL; deduplicates shares |
Recommended Additional Tags
| Tag | Purpose |
|---|---|
| og:type | Content type: website, article, video, product |
| og:site_name | Website name; displayed separately from title |
| og:image:width / og:image:height | Image dimensions (1200×630px) |
| og:image:alt | Alt text for accessibility |
| og:locale | Language/territory (e.g., en_US); for multilingual sites |
Image Best Practices
| Item | Guideline |
|---|---|
| Size | 1200×630px (1.91:1 ratio) for Facebook, LinkedIn, WhatsApp |
| Format | JPG, PNG, WebP; under 5MB |
| URL | Absolute URL with https://; no relative paths |
| Unique | One 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
- Facebook: Sharing Debugger
- LinkedIn: Post Inspector
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
articlefor 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
Version History
- c9d8953 Current 2026-07-05 20:01
