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BestLemoon
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seo-technical

Audit websites for technical SEO issues across nine diagnostic categories.

6|Updated Apr 3, 2026
Search Tags:#core web vitals#technical seo#crawlability#page speed#site audit#javascript seo
One-click install
npx skills add https://github.com/BestLemoon/codex-seo --skill seo-technical-bestlemoon
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: seo-technical
Source: https://github.com/BestLemoon/codex-seo/tree/main/skills/seo-technical
Command: npx skills add https://github.com/BestLemoon/codex-seo --skill seo-technical-bestlemoon

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Many websites suffer from hidden technical issues that prevent pages from being crawled, indexed, or rendered correctly, leading to lost visibility and traffic; this Skill surfaces those problems and explains how to prioritize fixes.

Core Features & Use Cases

  • Nine-category audit covering crawlability, indexability, security, URL structure, mobile, Core Web Vitals, structured data, JavaScript rendering, and IndexNow.
  • AI crawler and robots.txt guidance to manage modern AI-specific crawlers alongside traditional search bots.
  • Core Web Vitals analysis with guidance to use PageSpeed Insights or CrUX when available for real user metrics.
  • JavaScript SEO recommendations to identify CSR/SSR issues, canonical and noindex risks, and best practices for server-rendered critical elements.
  • Optional integrations & reporting with MCP/DataForSEO and Google API workflows to produce prioritized, exportable findings.

Quick Start

Run a full technical SEO audit for https://example.com and return a categorized scorecard with critical issues and prioritized remediation steps.

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 to find crawlability and indexability issues?▼

Run a technical SEO audit by fetching robots.txt and sitemaps, analyzing HTTP headers, and checking indexability directives to surface hidden crawlability and indexing issues across your domain.

What is a Core Web Vitals analysis and how does it diagnose page speed issues?▼

A Core Web Vitals analysis evaluates page speed and rendering metrics, optionally integrating with PageSpeed Insights or CrUX to provide real user data for diagnosing loading and visual stability problems.

Can I use this technical SEO audit for a single page instead of an entire domain?▼

Yes, you can apply the technical SEO audit to either a single page or an entire domain, allowing you to isolate specific diagnostic issues or score site-wide crawlability and structured data health.

Does the site audit check structured data and JavaScript rendering together?▼

Yes, the site audit covers both structured data validation and JavaScript SEO rendering checks, detecting server-rendered critical element issues and structured data errors across your URLs.

Why does my site audit recommend checking IndexNow alongside traditional search bots?▼

Checking IndexNow alongside traditional search bots ensures immediate URL submission to participating search engines, while robots.txt guidance helps manage modern AI-specific crawlers effectively.

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