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SEO Audit
The SEO audit skill provides a systematic methodology for evaluating a website's search optimization across all dimensions: technical infrastructure, on-page elements, content quality, off-page signals, and AI search readiness. It produces a structured scorecard with PASS/FAIL/WARN ratings and prioritized recommendations so every finding is actionable, not just observed. This is the orchestration layer that connects all 13 specialized SEO skills - use it to diagnose, then hand off to the right skill for each fix.
When to use this skill
Trigger this skill when the task involves:
- Running a full SEO audit across a website or specific section
- Performing a technical-only audit (crawlability, indexing, performance)
- Running a content audit (thin pages, cannibalization, freshness, intent)
- Pre-launch SEO check before a new site or major redesign goes live
- Periodic SEO health check (monthly, quarterly)
- Comparing your site's SEO posture against a competitor
- Producing a structured SEO report for a client or stakeholder
Do NOT trigger this skill for:
- Implementing specific fixes - once audit findings are known, load the specialized skill
(e.g.,
core-web-vitals,schema-markup,link-building) for the actual fix work - Keyword research phase before content planning - use
keyword-researchskill instead
Key principles
- Audit systematically - never skip a category because you assume it is fine. The most damaging SEO issues are often in the areas least recently checked.
- Prioritize by impact x effort - not all issues are equal. A missing sitemap outranks a missing alt text. Score severity honestly.
- PASS/FAIL/WARN scoring removes subjectivity - every check has a defined threshold. WARN means partially compliant or approaching a threshold, not "kind of okay".
- An audit without actionable recommendations is useless - every FAIL and every WARN must link to a specific next action, tool, or specialized skill.
- Re-audit quarterly to catch regressions - deployments, CMS updates, and content changes silently break SEO. Set a recurring audit cadence.
Core concepts
The 5 audit categories
| Category | Checks | Covers |
|---|---|---|
| Technical SEO | 10 | Crawlability, indexing, performance, rendering |
| On-Page SEO | 8 | Titles, metas, headings, images, internal links, OG |
| Content SEO | 7 | Thin pages, cannibalization, clusters, E-E-A-T, freshness |
| Off-Page SEO | 5 | Backlinks, toxic links, anchor text, local, citations |
| AEO & GEO Readiness | 5 | Featured snippets, schema, AI extraction, entities, LLMs.txt |
Scoring methodology
| Status | Meaning |
|---|---|
| PASS | Meets best practice - no action required |
| WARN | Partially compliant, approaching a threshold, or inconsistently applied |
| FAIL | Missing, broken, or clearly below best practice - fix required |
| N/A | Check does not apply to this site type (mark explicitly, never skip silently) |
Priority matrix
| Priority | Definition | Timeframe |
|---|---|---|
| Critical | Directly blocks indexing or causes major ranking loss | Fix immediately (this week) |
| High | Measurable ranking/traffic impact, moderate effort | Fix this sprint |
| Medium | Best practice gap, gradual compounding effect | Fix this quarter |
| Low | Nice to have, marginal gain | Backlog |
The audit-fix-verify cycle
- Audit - run all 35 checks, record status and evidence
- Prioritize - assign Critical/High/Medium/Low to each FAIL and WARN
- Assign - link each finding to a specialized skill or tool for the fix
- Verify - re-run the specific check after the fix is deployed (not a full re-audit)
- Re-audit - full audit quarterly to catch new issues
Common tasks
Run a full SEO audit
Present the complete scorecard to the user. Fill in Status and Details as you analyze the site. Every row must have a status - never leave a row blank.
Section 1: Technical SEO
| # | Check | Status | Details |
|---|---|---|---|
| T1 | Robots.txt configured correctly | ||
| T2 | XML sitemap valid and submitted | ||
| T3 | Canonical URLs set on all pages | ||
| T4 | No redirect chains (max 1 hop) | ||
| T5 | HTTPS everywhere, no mixed content | ||
| T6 | Mobile-friendly (responsive or adaptive) | ||
| T7 | Core Web Vitals pass (LCP, CLS, INP) | ||
| T8 | No orphan pages | ||
| T9 | Clean URL structure (no parameters, lowercase) | ||
| T10 | Rendering strategy appropriate (SSR/SSG/CSR) |
Section 2: On-Page SEO
| # | Check | Status | Details |
|---|---|---|---|
| O1 | Unique title tags (50-60 chars) | ||
| O2 | Meta descriptions present (120-160 chars) | ||
| O3 | Single H1 per page with target keyword | ||
| O4 | Heading hierarchy correct (H1 > H2 > H3) | ||
| O5 | Image alt text present on all images | ||
| O6 | Internal linking structure is logical | ||
| O7 | Open Graph tags complete (og:title, og:description, og:image) | ||
| O8 | Semantic HTML used (article, nav, main, aside) |
Section 3: Content SEO
| # | Check | Status | Details |
|---|---|---|---|
| C1 | No thin content pages (< 300 words on indexable pages) | ||
| C2 | No keyword cannibalization (one URL per keyword cluster) | ||
| C3 | Topic clusters defined with pillar + supporting pages | ||
| C4 | E-E-A-T signals present (author, credentials, date, sources) | ||
| C5 | Content freshness maintained (no stale pages > 18 months) | ||
| C6 | No duplicate content (internal or cross-domain) | ||
| C7 | Search intent alignment (informational/commercial/transactional match) |
Section 4: Off-Page SEO
| # | Check | Status | Details |
|---|---|---|---|
| L1 | Backlink profile is healthy (quality > quantity) | ||
| L2 | No toxic or spammy links pointing to the site | ||
| L3 | Anchor text diversity (branded, generic, partial-match mix) | ||
| L4 | Local SEO configured (if applicable: GMB, NAP consistency) | ||
| L5 | Brand mentions and citations exist on authoritative sources |
Section 5: AEO & GEO Readiness
| # | Check | Status | Details |
|---|---|---|---|
| A1 | Content optimized for featured snippets (definitions, lists, tables) | ||
| A2 | FAQ and HowTo schema implemented where applicable | ||
| A3 | Content structured for AI extraction (clear Q&A, headers, summaries) | ||
| A4 | Entity authority signals present (linked data, Wikidata, consistent mentions) | ||
| A5 | LLMs.txt present (if applicable to the site's AI discoverability goals) |
Scorecard summary:
| Category | PASS | WARN | FAIL | N/A | Score |
|---|---|---|---|---|---|
| Technical SEO (10) | /10 | ||||
| On-Page SEO (8) | /8 | ||||
| Content SEO (7) | /7 | ||||
| Off-Page SEO (5) | /5 | ||||
| AEO & GEO (5) | /5 | ||||
| Total (35) | /35 |
Score interpretation:
- 32-35 PASS: Excellent - monitor and maintain
- 26-31 PASS: Good - address WARNs before they become FAILs
- 18-25 PASS: Needs work - prioritize Critical and High items
- Under 18 PASS: Significant SEO debt - consider a full remediation project
Prioritize audit findings
After completing the scorecard, categorize every FAIL and WARN into the priority matrix:
Critical - fix immediately:
- Checks that block indexing: robots.txt disallowing key pages, no sitemap, canonical loops
- Checks that cause major visibility loss: HTTPS failures, redirect chains on key pages
- Rendering issues causing entire page sections to be invisible to Googlebot
High - fix this sprint:
- Missing or duplicate title tags across more than 10% of pages
- Core Web Vitals failing on high-traffic templates
- Keyword cannibalization on money pages
- Toxic backlinks that could trigger a manual penalty
Medium - fix this quarter:
- Missing alt text, inconsistent heading hierarchy
- Thin content on secondary pages
- Missing OG tags, incomplete schema markup
- Stale content on secondary pages
Low - backlog:
- LLMs.txt optimization
- Minor anchor text imbalances
- Brand mention acquisition on marginal sources
Present findings as a prioritized table:
| Priority | Check ID | Finding | Recommended action | Skill |
|---|---|---|---|---|
| Critical | T1 | Robots.txt disallowing /products/ | Update robots.txt to allow crawl | technical-seo |
| High | T7 | LCP > 4s on mobile (template-wide) | Optimize hero images, reduce TTFB | core-web-vitals |
| ... |
Generate audit report
Use the full report template in references/audit-report-template.md. The report has
four sections:
- Executive summary - overall score, top 3 findings, business impact statement
- Scorecard - the full 35-check table with status and evidence
- Detailed findings - one entry per FAIL/WARN with: what was found, why it matters, how to fix it, and which specialized skill to use
- Action plan - week 1, month 1, and quarter 1 timeline with assigned owners
Load references/audit-report-template.md to get the full report template with
placeholder text and formatting.
Run a quick SEO health check
For a rapid 10-check assessment (15-20 minutes, not a full audit):
| # | Check | Status |
|---|---|---|
| Q1 | Site accessible and indexable (not blocked by robots.txt) | |
| Q2 | HTTPS and no mixed content | |
| Q3 | Sitemap present and submitted to GSC | |
| Q4 | No redirect chains on homepage and top 5 pages | |
| Q5 | Title tags unique and under 60 chars on top pages | |
| Q6 | Mobile-friendly (Google Mobile-Friendly Test pass) | |
| Q7 | Core Web Vitals: at least PASS on mobile for key templates | |
| Q8 | No obvious cannibalization on primary keywords | |
| Q9 | Backlink profile: no manual actions in GSC | |
| Q10 | Structured data: at least one schema type implemented |
A quick health check surfaces showstopper issues only. Any FAIL here is Critical priority. For a complete picture, run the full 35-check audit.
Anti-patterns / common mistakes
| Anti-pattern | Problem | Fix |
|---|---|---|
| Cherry-picking only easy wins | Leaves Critical issues unresolved while the site hemorrhages traffic | Always start with the priority matrix - easy is not the same as important |
| Auditing without GSC and Analytics access | You are guessing at traffic impact and missing crawl error data | Get read access before starting; a blind audit is decoration |
| Treating all FAIL items as equal priority | Team burns time on alt text while a canonical loop causes deindexing | Use the priority matrix on every engagement, no exceptions |
| Auditing once and never re-checking | Deployments break SEO silently; regressions are invisible without cadence | Schedule quarterly audits; automate continuous checks where possible |
| Reporting findings without recommended fixes | Stakeholders don't know what to do; audit report sits unread | Every finding must link to a specific action and a responsible party |
| Running only a technical audit and calling it done | Content and off-page issues often cause more ranking loss than technical issues | Always cover all 5 categories even at a surface level |
| Confusing WARN with acceptable | WARNs compound - five WARNs in the same category indicate a systemic issue | Treat three or more WARNs in a category the same as a FAIL |
References
For detailed audit checklists with per-check verification methods and fix guidance, load:
references/audit-checklist-technical.md- Detailed technical SEO checks with how-to-verify steps, tool recommendations, and PASS/FAIL/WARN criteriareferences/audit-checklist-content.md- On-page and content audit methodology with verification methods for all 15 checksreferences/audit-checklist-offpage.md- Off-page and AEO/GEO audit methodology for all 10 checksreferences/audit-report-template.md- Full audit report template with executive summary, scorecard, findings, and action plan sections
Only load a reference file when actively working on that audit category - they are detailed and will consume context if loaded all at once.
For deep fixes on specific categories, load the specialized skill:
keyword-research- Search intent analysis and keyword opportunity mappingschema-markup- Structured data implementation (JSON-LD, FAQ, HowTo, Product)core-web-vitals- LCP, CLS, INP optimization and performance budgetstechnical-seo- Crawlability, indexing, rendering, redirect managementcontent-seo- Topic clusters, E-E-A-T, cannibalization resolutionlink-building- Backlink acquisition strategy and toxic link removallocal-seo- Google Business Profile, NAP consistency, local citationsinternational-seo- Hreflang, multi-language/region SEO architectureecommerce-seo- Product pages, faceted navigation, category SEOprogrammatic-seo- Page generation at scale, template optimizationaeo-optimization- Featured snippets, voice search, AI answer optimizationgeo-optimization- Generative engine optimization for ChatGPT, Perplexity, Geminion-site-seo- Framework-specific on-page fixes (Next.js, Nuxt, WordPress, etc.)
Related skills
When this skill is activated, check if the following companion skills are installed. For any that are missing, mention them to the user and offer to install before proceeding with the task. Example: "I notice you don't have [skill] installed yet - it pairs well with this skill. Want me to install it?"
- seo-mastery - Optimizing for search engines, conducting keyword research, implementing technical SEO, or building link strategies.
- technical-seo - Working on technical SEO infrastructure - crawlability, indexing, XML sitemaps, canonical URLs, robots.
- core-web-vitals - Optimizing Core Web Vitals - LCP (Largest Contentful Paint), INP (Interaction to Next...
- content-seo - Optimizing content for search engines - topic cluster strategy, pillar page architecture,...
Install a companion: npx skills add AbsolutelySkilled/AbsolutelySkilled --skill <name>