SEO Website Audit & Prioritized Fix List

What this skill does

Runs an in-depth SEO audit of a single webpage - title/meta tags, headings, content quality, indexability, structured data, internal linking, image alt text, and Core Web Vitals via PageSpeed Insights. Returns a prioritized, numbered table of recommendations ranked by severity and effect, so you can act on findings by ID ("let's fix #3").

Uses built-in web_fetch and web_search plus Google's PageSpeed Insights API - no MCP setup needed. Degrades gracefully if performance data isn't reachable.

When it activates

• "SEO audit", "SEO review", "SEO analysis"
• "Audit my site/page"
• "What's wrong with this page SEO-wise"
• "How do I improve my rankings"
• A bare URL with "how's my SEO?"

Not for backlink audits, keyword rank tracking, or competitor gap analysis - it covers only what's observable on the page itself.

How it works

• Fetch the page - surfaces title, headings, links, images, and body copy; unverifiable signals are marked "not verified" rather than guessed
• Check performance - pulls Performance score, LCP, CLS, INP/TBT from PageSpeed Insights
• Run the checklist - 10 categories from indexability to social metadata
• Score and rank - every issue gets a Severity x Effect priority score, sorted highest-first
• Act by ID - numbering stays stable across the conversation so you can drill into any finding

Output

A short summary, then a numbered table:

Ask about any ID for a fuller explanation - why it matters, how to fix it with markup examples, and how to verify the fix.