fixing-metadata

When to Use

Use this skill when you need audit and fix HTML metadata including page titles, meta descriptions, canonical URLs, Open Graph tags, Twitter cards, favicons, JSON-LD structured data, and robots directives. Use when adding SEO metadata, fixing social share previews, reviewing Open Graph tags, setting up canonical...

Workflow

1. Identify pages with missing or incorrect metadata (titles, descriptions, canonical, OG tags)
2. Audit against the priority rules below — fix critical issues (duplicates, indexing) first
3. Ensure title, description, canonical, and og:url all agree with each other
4. Verify social cards render correctly on a real URL, not localhost
5. Keep diffs minimal and scoped to metadata only — do not refactor unrelated code

when to apply

Reference these guidelines when:

• adding or changing page titles, descriptions, canonical, robots
• implementing Open Graph or Twitter card metadata
• setting favicons, app icons, manifest, theme-color
• building shared SEO components or layout metadata defaults
• adding structured data (JSON-LD)
• changing locale, alternate languages, or canonical routing
• shipping new pages, marketing pages, or shareable links

rule categories by priority

priority	category	impact
1	correctness and duplication	critical
2	title and description	high
3	canonica