seo-audit

Diagnose and audit SEO issues affecting crawlability, indexation, rankings, and organic performance. Use when the user asks for an SEO audit, technical SEO review, ranking diagnosis, on-page SEO review, meta tag audit, or SEO health check. This skill identifies issues and prioritizes actions but does not execute changes. For large-scale page creation, use programmatic-seo. For structured data, use schema-markup.

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SEO Audit - Website SEO Diagnosis and Health Check Tool

Skill Overview


SEO Audit is a professional SEO diagnostic tool used to identify and prioritize issues affecting a website’s organic rankings, including crawling, indexing, performance, and content quality problems.

Use Cases

1. Troubleshooting Abnormal Website Rankings


When a site’s keyword rankings drop suddenly, traffic declines, or indexing issues arise, use SEO Audit to quickly pinpoint the root causes—covering crawl barriers, indexing errors, technical failures, and content quality issues.

2. Website SEO Health Checks


Regularly evaluate your site’s SEO foundation to get a measurable health index from 0 to 100, understanding performance across five dimensions: crawl efficiency, technical performance, on-page optimization, content quality, and authority signals.

3. Technical SEO and Page Auditing


Deeply assess the site’s technical foundation and level of on-page optimization, including robots.txt configuration, XML sitemaps, Core Web Vitals, mobile compatibility, meta tag completeness, title structure, and content quality.

Core Features

1. Crawl and Index Diagnosis


Check for misconfigured robots.txt, XML sitemap validity, canonical tag consistency, redirect chains and loops, and any critical pages accidentally marked as noindex—ensuring search engines can properly discover and index your content.

2. Technical SEO Baseline Audit


Evaluate Core Web Vitals (LCP, INP, CLS), server response times, image and resource loading, HTTPS configuration, mobile friendliness, and parameter handling and pagination implementations that impact crawl efficiency.

3. SEO Health Index Scoring


Compute a comprehensive score from 0 to 100 based on five dimensions (Crawl & Index 30%, Technical Foundation 25%, On-Page Optimization 20%, Content Quality 15%, Authority Signals 10%). Classify issues by severity and provide trackable, measurable improvement progress.

FAQs

Does SEO Audit automatically fix the detected issues?


No. SEO Audit is a diagnostic tool focused on identifying problems, explaining their impact, and prioritizing them. It does not perform any changes. You need to apply fixes manually based on the audit results, or use other related skills (e.g., schema-markup) to complete specific tasks.

How is the website SEO health score calculated?


The health score uses a weighted scoring model: Crawl & Index 30%, Technical Foundation 25%, On-Page Optimization 20%, Content Quality 15%, Authority Signals 10%. Each category starts from 100 points, then deductions are applied based on issue severity (critical/high/medium/low) and confidence level. The final total score is then summarized.

What data permissions are needed to perform an SEO audit?


A complete audit requires Google Search Console access permissions (coverage, Core Web Vitals, indexing status) and website analytics data. If access is not available, the audit will be based on observable technical indicators and will clearly state the assumptions made and confidence limitations.