A thorough single-page SEO analyzer that checks everything from title tags and header hierarchy to schema markup and image optimization. You'd use this when someone drops a URL and asks "how's the SEO on this page?" It covers the usual suspects (meta tags, content quality, internal links) but also digs into technical details like Open Graph tags, lazy loading methods, and potential Core Web Vitals issues. The output includes a scored breakdown across five categories and prioritized recommendations. Nice touch: it won't recommend deprecated schema types like HowTo or restricted ones like FAQ, and it can pull live SERP data if you have DataForSEO tools connected.

skills.sh installs
7.6K
GitHub stars
27.8K
last updated
Aug 21, 2026

Install

$ npx -y skills add agricidaniel/claude-seo --skill seo-page --agent claude-code

Installs into .claude/skills of the current project.

Files

Single Page Analysis

Step 1: Run the Deterministic Checks

Run this first. It does the mechanical on-page checks in code, so they are repeatable and you do not recount them from the HTML by hand:

"${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run page_checks.py --url <url>

For saved HTML (no network request; --headers-json is optional):

"${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run page_checks.py --file page.html --base-url <url> --headers-json headers.json

For a JavaScript-rendered page, save the rendered HTML first with "${CLAUDE_PLUGIN_ROOT}/scripts/claude-seo" run fetch_page.py <url> --render auto --output page.html, then use --file.

The JSON holds facts (lengths and counts), findings (each with a stable id, a severity, a message and the evidence that triggered it), not_checked, thresholds, and a summary count per severity. An X-Robots-Tag rule addressed to a crawler other than Googlebot is not a finding; it is listed in facts.x_robots_other_agents, so mention it when the user cares about that crawler. It covers 47 checks:

Sponsors

Details

Repository
github.com/agricidaniel/claude-seo
Categories
Git & Pull Requests, Code Review & Quality, Debugging, Marketing & SEO
First seen
Apr 16, 2026

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