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technical-seo-checker

Audit a domain for crawl, index, and performance issues.

7|2|Updated Apr 13, 2026
Search Tags:#structured data#core web vitals#technical seo#crawlability#indexability#international seo#mobile-friendliness
One-click install
npx skills add https://github.com/SJTU-IPADS/SkVM-data --skill technical-seo-checker-sjtu-ipads
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: technical-seo-checker
Source: https://github.com/SJTU-IPADS/SkVM-data/tree/main/skills/technical-seo-checker
Command: npx skills add https://github.com/SJTU-IPADS/SkVM-data --skill technical-seo-checker-sjtu-ipads

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Technical SEO issues such as broken crawl paths, misindexed pages, slow performance, and mobile-unfriendly designs prevent sites from ranking well. This skill provides automated detection and guidance to fix these problems across a site.

Core Features & Use Cases

  • Crawlability and indexability checks, site speed analysis, mobile-friendliness assessments, security reviews, and structured data validation.
  • URL structure evaluation and international SEO checks to improve crawl efficiency and ranking signals.
  • Use Case: Launching a new site, diagnosing a drop in search visibility, or performing quarterly health checks to maintain technical health.

Quick Start

Run a full technical SEO audit for a given URL or domain.

Frequently Asked Questions about technical-seo-checker

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

FAQPage Schema
How do I run a technical SEO audit for crawlability and indexability issues?▼

A technical SEO audit analyzes your robots.txt and sitemap.xml to identify broken crawl paths and misindexed pages. It evaluates URL structure and indexability to produce a comprehensive report guiding your fixes.

Why does my site suffer from poor search visibility after a domain migration?▼

Poor search visibility after a migration often stems from misindexed pages or broken crawl paths. An automated technical SEO audit detects these indexability issues, security problems, and URL structure changes to restore rankings.

What is the best way to check core web vitals and mobile-friendliness for my domain?▼

Checking core web vitals and mobile-friendliness requires analyzing site speed and performance metrics. This audit assesses mobile responsiveness and security signals to ensure your site meets technical SEO ranking standards.

Can I validate structured data and international SEO configurations automatically?▼

Yes, you can validate structured data and international SEO configurations automatically. The audit reviews your markup and international targeting signals to improve crawl efficiency and ensure correct search engine indexing.

Do I need access to crawl results and performance metrics to diagnose indexability problems?▼

Yes, diagnosing indexability problems requires access to data sources like crawl results and performance metrics. The audit clearly states data provenance while analyzing these inputs to detect site speed and indexing issues.

When should I perform a technical SEO health check on my website?▼

You should perform a technical SEO health check during site launches, domain migrations, or as quarterly maintenance. This detects slow performance, mobile-unfriendly designs, and structured data errors preventing proper ranking.

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