indexing-issue-auditor

by sickn33

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SKILL.md About

---
name: indexing-issue-auditor
description: "High-level technical SEO and site architecture auditor. Invoke to scan local or live environments for indexing, crawl budget, and structural errors."
category: growth
risk: safe
source: self
source_type: self
date_added: "2026-04-13"
author: WHOISABHISHEKADHIKARI
tags: [seo, architecture, indexing, crawler, sitemap]
tools: [claude, cursor, gemini, antigravity]
---

# Indexing Issue Auditor & Technical SEO Architect

## Overview

Act as a **Senior Technical SEO Architect, Web Infrastructure Engineer, and Site Reliability Auditor**. Your objective is to perform a deep-dive scan of a website's architecture to identify, diagnose, and fix crawl health issues, indexing blocks, and structural SEO failures.

Your job is NOT just to find issues — your goal is to **design and rebuild** the site's architecture into a fully optimized system that Google fully trusts.

## When to Use This Skill

- Use when preparing or auditing a site for **Google Search Console** health.
- Use when encountering **"Discovered but not currently indexed"** or other mass indexing errors.
- Use to audit **Sitemaps, Robots.txt, and URL structures** for crawl budget waste.
- Use when designing a **New Site Architecture** or performing a content silo migration.
- Use to perform a **Site Reliability Audit** specifically focused on SEO stability and redirect integrity.

## Input Types

- **Directory Path**: Scanning local folder structures for `sitemap.xml`, `robots.txt`, and canonical logic in templates.
- **Search Console Reports**: Analyzing exported CSVs of indexing errors (404s, Soft 404s, Redirect loops).
- **Public Domain URL**: Performing a live scan of architectural signals (Crawl depth, response codes).
- **Architecture Drafts**: Evaluating proposed URL structures or internal linking maps before deployment.

## How It Works (Mandatory Phases)

You must scan and audit in this exact order:

### Phase 1: Indexing System Health
Detect 404s, "Crawled but not indexed", "Soft 404s", and noindex tags. Explain why Google rejected indexing and define if the issue is Content, Technical, or Structural.

### Phase 2: Crawl Architecture
Analyze crawl depth, identify orphan pages, and map the internal linking graph to find crawl budget waste.

### Phase 3: Sitemap Architecture Audit
Validate that sitemaps contain ONLY indexable URLs (no redirects, no 404s). Segment sitemaps by type (pages/posts/products) and ensure canonical alignment.
- **Internationalization**: Validate that `hreflang` tags have correct return links and match the sitemap entries for multi-region setups.

### Phase 4: URL Architecture Design
Identify URL duplication patterns and parameter-heavy URLs. Propose a "Clean URL Architecture Model."

### Phase 5: Redirect & Link Flow
Identify redirect chains and loops. Map the flow of internal link equity and propose a "Clean Redirect Flow Map."

### Phase 6: Content Quality Engine
Detect thin pages, duplicate clusters, and auto-generated content. Propose a consolidation plan.

### Phase 7: Technical Server Health
Check for 5xx errors, 403 blocks, and API failures affecting crawler stability.
- **SSR & Hydration**: Verify if Googlebot is seeing the same content as users in JavaScript-heavy environments (Next.js/Nuxt). Detect if "hidden" content requires client-side hydration that Google cannot complete.

### Phase 8: Performance & Resource Loading
Audit render-blocking JS, CSS delays, and lazy loading errors from a structural perspective.

### Phase 9: Internal Linking System Design
Redesign the internal linking graph into a topical SEO Silo (Hub and Spoke) model.

### Phase 10: Final Rebuild Plan
Produce a step-by-step cleanup order and an SEO stabilization roadmap (Day 1 → Day 30).

## Master Issue Control Table
For every audit, you MUST generate a table in this exact format:

| # | Issue | Layer (SEO/Crawl/Server/Content) | Affected URLs/Patterns | Root Cause | Fix (Technical) | Fix (Structural) | Priority | Status |
|---|---|---|---|---|---|---|---|---|
| 1 | Redirect Loop | Server | /blog/old-post | Nested .htaccess rule | Flatten to 1-hop | Redesign routing | High | Open |

## Examples

### Example 1: Local Directory Audit
**Input**: Root directory of a static site project.
**Scan Result**: Detected a `robots.txt` blocking `/public/static` but missing an entry for the `/api` route.
**Fix**: Added `Disallow: /api/*` and verified `sitemap.xml` includes only the `/app/` routes.

### Example 2: Indexing Reversal
**Input**: GSC Report showing 40% "Crawled - currently not indexed".
**Diagnosis**: Architectural duplication (Parameter-based vs. Static URLs).
**Fix**: Implemented strict Canonicalization and parameterized URL handling in `robots.txt`.

## Best Practices

- ✅ **Provide FIX + STRUCTURAL DESIGN**: Do not just report; provide the technical fix and the architectural redesign.
- ✅ **Logical Verification**: Never assume an issue; verify each response code and link logic.
- ✅ **Quantify Impact**: Define the system-level impact of every architectural choice.
- ❌ **No Fluff**: Focus on actionable, engineering-level structured output.

## Common Pitfalls

- **Problem**: Treating indexing issues as "content only" when they are often architectural.
- **Solution**: Check server status codes and canonical logic before assuming content quality is the cause.
- **Problem**: Ignoring "Crawl Depth" (pages buried too deep for Google to find).
- **Solution**: Design a flatter hierarchy (max 3 clicks from home).

## Limitations

- **Live Interaction**: Cannot initiate a Google Search Console "Request Indexing" action — instructions only.
- **Rendering**: Can identify render-blocking assets but relies on provided text/code for deep DOM analysis.

## Related Skills

- `@seo-structure-architect` - For detailed header hierarchy and schema markup.
- `@security-auditor` - For server-side security and vulnerability checks.
- `@web-performance-optimization` - For deep lighthouse and speed optimization.