seo-technical

Audit technical SEO issues across crawlability, indexability, security, and Core Web Vitals.

Updated Mar 22, 2026
One-click install
npx skills add https://github.com/upmarking/fastesthr-20077824 --skill seo-technical-upmarking
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: seo-technical
Source: https://github.com/upmarking/fastesthr-20077824/tree/main/.agents/skills/seo-technical
Command: npx skills add https://github.com/upmarking/fastesthr-20077824 --skill seo-technical-upmarking

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Technical SEO issues can silently degrade search visibility, crawl efficiency, and user experience. A structured audit helps identify gaps across discovery, performance, and security to drive reliable indexing and ranking improvements.

Core Features & Use Cases

  • Crawlability checks: robots.txt validity, sitemap references, and crawl budget considerations
  • Indexability and structured data validation: canonical tags, noindex handling, JSON-LD correctness
  • Performance and Core Web Vitals guidance: LCP/CLS/INP targets and optimization actions
  • JavaScript rendering awareness: CSR vs SSR implications and dynamic rendering checks
  • Security headers and IndexNow protocol: CSP, HSTS, and IndexNow availability

Quick Start

Provide a URL to run a full technical SEO audit and surface crawlability, indexability, performance, and security issues.

Frequently Asked Questions about seo-technical

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

FAQPage Schema
How do I run a technical SEO audit for JavaScript rendering and Core Web Vitals?

A technical SEO audit evaluates JavaScript rendering impacts and Core Web Vitals by checking CSR versus SSR implications, measuring LCP, CLS, and INP targets, and surfacing specific optimization actions to improve page performance and indexing. Provide a URL to initiate the full review.

What is structured data validation for JSON-LD and how does it work?

Structured data validation for JSON-LD detects schema implementation correctness and validates it against Google's supported types. The audit checks for canonical consistency and proper noindex handling to ensure search engines can accurately parse and index rich result data.

Can I check crawlability and indexability issues for large-scale, multi-language sites?

Yes, crawlability and indexability checks apply to large-scale, multi-language, e-commerce, and dynamic-rendering scenarios. The audit validates robots.txt, sitemap references, canonical consistency, and crawl budget considerations across complex site architectures to surface real-world deployment issues.

How do I audit security headers and IndexNow protocol availability?

Auditing security headers and IndexNow protocol availability checks for proper CSP and HSTS implementation alongside IndexNow support. This verifies that security policies are correctly configured and that search engine ping notifications are functional for immediate URL submission.

What's the best way to identify technical SEO issues affecting mobile optimization?

The best way to identify mobile optimization technical SEO issues is through a comprehensive audit that evaluates URL structure, responsive configurations, and rendering scenarios. This surfaces gaps across discovery and performance to drive reliable mobile indexing and ranking improvements.