seo

Audit technical SEO issues and implement on-page and structured data fixes.

Updated Aug 23, 2026

Search Tags:#sitemap #seo #structured-data #core-web-vitals #crawlability #on-page #search-engine

Ready to run

npx skills add https://github.com/chapter42/42-SEO-Skills --skill seo-chapter42

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: seo
Source: https://github.com/chapter42/42-SEO-Skills/tree/main/skills/references/web-quality/seo
Command: npx skills add https://github.com/chapter42/42-SEO-Skills --skill seo-chapter42

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

SEO optimization helps websites improve visibility in search engines and attract organic traffic by addressing technical SEO, on-page optimization, and structured data issues that hinder rankings.

Core Features & Use Cases

Technical SEO audits: identify crawl issues in robots.txt, canonicalization, sitemap configuration, and indexation problems.
On-page optimization: improve title tags, meta descriptions, headers, internal linking, and content relevance.
Structured data and rich results: implement JSON-LD markup for articles, products, FAQs, and other schema types to enhance search appearance.
Use Case: e-commerce sites aiming to boost product visibility, click-through rates, and rich results presence.

Quick Start

Provide a website URL and I will generate a prioritized SEO plan with recommended fixes.

Frequently Asked Questions about seo

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I run a technical SEO audit to identify crawlability and indexation problems?▼

Run a technical SEO audit by analyzing your robots.txt, canonicalization, and sitemap configuration to identify crawlability issues. The process detects indexation problems and generates a prioritized plan with recommended fixes for search visibility.

How do I implement structured data and JSON-LD markup for rich results?▼

Implement structured data by adding JSON-LD markup for articles, products, and FAQs to enhance search appearance. This structured data optimization enables rich results presence and improves click-through rates for e-commerce product visibility.

What is the best way to optimize on-page SEO for title tags and meta descriptions?▼

The best way to optimize on-page SEO is to improve title tags, meta descriptions, headers, and internal linking. This on-page optimization enhances content relevance and addresses technical issues that hinder search engine rankings.

Does this SEO optimization handle multilingual and large-site contexts?▼

Yes, this SEO optimization applies structured-data enhancements and on-page optimization across multilingual, mobile, and large-site contexts. It satisfies canonicalization and sitemap accuracy requirements for complex site architectures.

What SEO improvements do I need for e-commerce sites to boost product visibility?▼

E-commerce sites need technical SEO audits, on-page optimization, and JSON-LD markup to boost product visibility. These improvements enhance click-through rates and rich results presence for better organic traffic.

Why are my pages not being indexed despite having a sitemap?▼

Pages may not be indexed due to crawlability issues in robots.txt, incorrect canonicalization, or sitemap configuration problems. A technical SEO audit identifies these indexation barriers and provides recommended fixes for search visibility.