On Page SEO Checker

Q: What is a Claude Code skill and how does the On Page SEO Checker skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. On Page SEO Checker is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Growth & Marketing category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Growth & Marketing · Sub-category: seo · Last updated: 2026-07-16

type:audit type:debug

Use when the user asks to "audit on-page SEO" or "diagnose why a single page dropped"; scores titles, meta, header structure, keyword placement, links, and images with prioritized fixes. Not for E-E-A-T / publish-readiness scoring — use content-quality-auditor; not for crawl / CWV / indexing — use technical-seo-checker. 页面SEO审计/排名诊断

Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

On Page SEO Checker includes worked examples; pricing or quota commentary; 6 code blocks for direct copy-paste. The SKILL.md runs to about 1,170 words, in the catalog's typical mid-range.

Source: skills.sh/aaron-he-zhu/aaron-marketing-skills
License: Apache-2.0
Original author: aaron-he-zhu
Indexed lastmod: 2026-07-16
Catalog position: Growth & Marketing · seo
Indexed related skills: 10

How On Page SEO Checker fits the catalog

On Page SEO Checker sits in the Growth & Marketing category under the seo sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

This skill audits the structural on-page SEO signals a single page controls and provides actionable, prioritized recommendations.

What this skill does

On Page SEO Checker is a community-contributed Claude Code skill in the seo sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/on-page-seo-checker/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user asks to "audit on-page SEO" or "diagnose why a single page dropped"; scores titles, meta, header structure, keyword placement, links, and images with prioritized fixes. Not for E-E-A-T / publish-readiness scoring — use content-quality-auditor; not for crawl / CWV / indexing — use technical-seo-checker.

Who uses this skill

The On Page SEO Checker Claude Code skill is built for growth marketers, product-led growth teams, founders running experiments, and performance marketing teams. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 159,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/on-page-seo-checker
curl -L https://claudskills.com/skills/on-page-seo-checker/SKILL.md \
  -o ~/.claude/skills/on-page-seo-checker/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/on-page-seo-checker/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/on-page-seo-checker/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\on-page-seo-checker\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the On Page SEO Checker Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/on-page-seo-checker/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the On Page SEO Checker skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the On Page SEO Checker skill?

Use On Page SEO Checker when your Claude Code task falls under the Growth & Marketing category — specifically in the seo area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use On Page SEO Checker" or describe the task and let Claude pick). Browse related skills at /category/growth/.

What is a Claude Code skill and how does the On Page SEO Checker skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. On Page SEO Checker is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Growth & Marketing category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/aaron-he-zhu/aaron-marketing-skills/blob/HEAD/seo-geo/tune/on-page-seo-checker/SKILL.md
License: Apache-2.0
Author: aaron-he-zhu
Website: https://skills.sh/aaron-he-zhu/aaron-marketing-skills

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

aaron-he-zhu. (2026). On Page SEO Checker [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/on-page-seo-checker/

BibTeX

@misc{on-page-seo-checker-2026,
  author    = {aaron-he-zhu},
  title     = {On Page SEO Checker [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/on-page-seo-checker/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/on-page-seo-checker.svg)](https://claudskills.com/skills/on-page-seo-checker/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-07-25 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
⚠ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/on-page-seo-checker/#security)

More Growth & Marketing skills

Browse all Growth & Marketing skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Growth & Marketing skills → Top 100 skills

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