SEO

by addyosmani

SEO is an SEO skill for Claude Code, published by addyosmani in web-quality-skills.

2.6K stars239 forkson addyosmani/web-quality-skillsAdded 2026/08/18+1% in starsRepository updated 2026/06/14

View source on GitHub Download repo ZIP

accessibilityagent-skillsclaude-skillscore-web-vitalslighthouseskillstestingweb-performance

Install in seconds

Install SEO

Copy SEO into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/addyosmani/web-quality-skills/tree/main/skills/seo ~/.claude/skills/seo

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/addyosmani/web-quality-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/seo/SKILL.md in addyosmani/web-quality-skills
Installs to: ~/.claude/skills/seo
Collection: One of 6 skills cataloged from this repository
Category: SEO — 164 skills

What SEO does

SEO optimizes pages for search engine visibility using technical SEO, on-page optimization, and structured data. Use when asked to improve SEO, fix meta tags, add structured data, or optimize sitemaps.

SEO is cataloged under SEO on DirSkills. SEO comes from a repository tagged accessibility, agent-skills, claude-skills, core-web-vitals and lighthouse.

Documentation

README

Excerpt

SEO optimization

Search engine optimization based on Lighthouse SEO audits and Google Search guidelines. Focus on technical SEO, on-page optimization, and structured data.

SEO fundamentals

Search ranking factors (approximate influence):

Factor	Influence	This Skill
Content quality & relevance	~40%	Partial (structure)
Backlinks & authority	~25%	✗
Technical SEO	~15%	✓
Page experience (Core Web Vitals)	~10%	See Core Web Vitals
On-page SEO	~10%	✓

Technical SEO

Crawlability

This is the opening of the README. Read the full README on GitHub.

Commands SEO provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/robots
/llms

Frequently asked about SEO

What else does addyosmani publish alongside SEO?
SEO is one of 6 skills that DirSkills catalogs from addyosmani/web-quality-skills, the repository it ships in. Its siblings there include Accessibility, Core Web Vitals and Web Best Practices. Each one is a separate skill with its own page in this directory, installs the same way SEO does, and is maintained by addyosmani in that same repository. The rest of the collection is listed on the addyosmani/web-quality-skills page.
How does SEO compare to other SEO skills?
SEO ranks #36 by stars among the 164 SEO skills in this catalog. The most-starred ones next to it are App Store Optimization, Answer Engine Optimization and SEO Analysis. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of SEO against them. Open each page to compare what they document and how they install.