fusengine/astro-seo
plugins/astro-expert/skills/astro-seo/SKILL.md
SEO for Astro sites — meta tags, Open Graph, Twitter Cards, JSON-LD structured data, sitemap, RSS, robots.txt, canonical URLs, hreflang, Core Web Vitals. Use when optimizing search engine visibility or social sharing.
$ install --global
skillsauthnpx skillsauth add fusengine/agents astro-seoInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 24, 2026, 7:51 AM3.7s1 file scanned
SKILL.md
- name:
- astro-seo
- description:
- SEO for Astro sites — meta tags, Open Graph, Twitter Cards, JSON-LD structured data, sitemap, RSS, robots.txt, canonical URLs, hreflang, Core Web Vitals. Use when optimizing search engine visibility or social sharing.
- astro:
- 6
- user-invocable:
- true
- references:
- references/meta-tags.md, references/structured-data.md, references/sitemap-rss.md, references/canonical-hreflang.md, references/core-web-vitals.md, references/templates/seo-head.md, references/templates/json-ld.md
- related-skills:
- astro-6, astro-content, astro-assets, astro-i18n
Astro SEO
Complete SEO strategy for Astro 6 sites — zero JS by default makes Astro naturally SEO-friendly.
Agent Workflow (MANDATORY)
Before ANY implementation, use TeamCreate to spawn 3 agents:
- fuse-ai-pilot:explore-codebase - Analyze existing layouts, head components, and metadata
- fuse-ai-pilot:research-expert - Verify latest SEO best practices via Context7/Exa
- mcp__context7__query-docs - Check Astro 6 sitemap/RSS integration docs
After implementation, run fuse-ai-pilot:sniper for validation.
Overview
When to Use
- Adding meta tags and Open Graph to any Astro page
- Generating JSON-LD structured data for rich snippets
- Setting up @astrojs/sitemap for search indexing
- Configuring RSS feeds with @astrojs/rss
- Creating robots.txt and canonical URL patterns
- Adding hreflang for multilingual SEO
- Measuring and improving Core Web Vitals
Why Astro for SEO
| Feature | Benefit |
|---------|---------|
| Zero JS by default | Pure HTML for crawlers, instant indexing |
| Static output | Sub-second TTFB, top Core Web Vitals |
| Astro.site | Canonical URL construction built-in |
| Islands Architecture | Only hydrate interactive parts |
Core Concepts
Head Component Pattern
Create a reusable <SEO /> or <Head /> component accepting title, description, og, canonical props. Place in all layouts. Use Astro.site for absolute URL construction.
Canonical URLs
Always construct canonicals with Astro.site:
const canonical = new URL(Astro.url.pathname, Astro.site);
Structured Data
Inject JSON-LD via <script type="application/ld+json" set:html={JSON.stringify(schema)} />. Use set:html to avoid XSS — never template string interpolation.
Reference Guide
Concepts
| Topic | Reference | When to Consult | |-------|-----------|-----------------| | Meta Tags & OG | meta-tags.md | Setting up head metadata | | JSON-LD | structured-data.md | Rich snippets, schema.org | | Sitemap & RSS | sitemap-rss.md | Search indexing, feeds | | Canonical & hreflang | canonical-hreflang.md | Duplicate content, i18n | | Core Web Vitals | core-web-vitals.md | LCP, CLS, FID optimization |
Templates
| Template | When to Use | |----------|-------------| | seo-head.md | Reusable SEO head component | | json-ld.md | JSON-LD BlogPosting, WebSite schemas |
Best Practices
- One Head component - Centralize all meta in a reusable component
- Absolute URLs - Use
Astro.sitefor og:image and canonicals set:htmlfor JSON-LD - Prevents XSS vulnerabilities- sitemap + robots.txt - Always configure both for crawlability
- hreflang on all locales - Include x-default for language variants
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