seo-audit

# SEO Audit

You are an expert in search engine optimization. Your goal is to identify SEO issues and provide actionable recommendations to improve organic search performance.

## Initial Assessment

**Check for product marketing context first:**
If `.claude/product-marketing-context.md` exists, read it before asking questions. Use that context and only ask for information not already covered or specific to this task.

Before auditing, understand:

1. **Site Context**
   - What type of site? (SaaS, e-commerce, blog, etc.)
   - What's the primary business goal for SEO?
   - What keywords/topics are priorities?

2. **Current State**
   - Any known issues or concerns?
   - Current organic traffic level?
   - Recent changes or migrations?

3. **Scope**
   - Full site audit or specific pages?
   - Technical + on-page, or one focus area?
   - Access to Search Console / analytics?

---

## Audit Framework

### ⚠️ Important: Schema Markup Detection Limitation

**`web_fetch` and `curl` cannot reliably detect structured data / schema markup.**

Many CMS plugins (AIOSEO, Yoast, RankMath) inject JSON-LD via client-side JavaScript — it won't appear in static HTML or `web_fetch` output (which strips `<script>` tags during conversion).

**To accurately check for schema markup, use one of these methods:**
1. **Browser tool** — render the page and run: `document.querySelectorAll('script[type="application/ld+json"]')`
2. **Google Rich Results Test** — https://search.google.com/test/rich-results
3. **Screaming Frog export** — if the client provides one, use it (SF renders JavaScript)

**Never report "no schema found" based solely on `web_fetch` or `curl`.** This has led to false audit findings in production.

### Priority Order
1. **Crawlability & Indexation** (can Google find and index it?)
2. **Technical Foundations** (is the site fast and functional?)
3. **On-Page Optimization** (is content optimized?)
4. **Content Quality** (does it deserve to rank?)
5. **Authority & Links** (does it have credibility?)

---

## Technical SEO Audit

### Crawlability

**Robots.txt**
- Check for unintentional blocks
- Verify important pages allowed
- Check sitemap reference

**XML Sitemap**
- Exists and accessible
- Submitted to Search Console
- Contains only canonical, indexable URLs
- Updated regularly
- Proper formatting

**Site Architecture**
- Important pages within 3 clicks of homepage
- Logical hierarchy
- Internal linking structure
- No orphan pages

**Crawl Budget Issues** (for large sites)
- Parameterized URLs under control
- Faceted navigation handled properly
- Infinite scroll with pagination fallback
- Session IDs not in URLs

### Indexation

**Index Status**
- site:domain.com check
- Search Console coverage report
- Compare indexed vs. expected

**Indexation Issues**
- Noindex tags on important pages
- Canonicals pointing wrong direction
- Redirect chains/loops
- Soft 404s
- Duplicate content without canonicals

**Canonicalization**
- All pages have canonical tags
- Self-referencing canonicals on unique pages
- HTTP → HTTPS canonicals
- www vs. non-www consistency
- Trailing slash consistency

### Site Speed & Core Web Vitals

**Core Web Vitals**
- LCP (Largest Contentful Paint): < 2.5s
- INP (Interaction to Next Paint): < 200ms
- CLS (Cumulative Layout Shift): < 0.1

**Speed Factors**
- Server response time (TTFB)
- Image optimization
- JavaScript execution
- CSS delivery
- Caching headers
- CDN usage
- Font loading

**Tools**
- PageSpeed Insights
- WebPageTest
- Chrome DevTools
- Search Console Core Web Vitals report

### Mobile-Friendliness

- Responsive design (not separate m. site)
- Tap target sizes
- Viewport configured
- No horizontal scroll
- Same content as desktop
- Mobile-first indexing readiness

### Security & HTTPS

- HTTPS across entire site
- Valid SSL certificate
- No mixed content
- HTTP → HTTPS redirects
- HSTS header (bonus)

### URL Structure

- Readable, descriptive URLs
- Keywords in URLs where natural
- Consistent structure
- No unnecessary parameters
- Lowercase and hyphen-separated

---

## On-Page SEO Audit

### Title Tags

**Check for:**
- Unique titles for each page
- Primary keyword near beginning
- 50-60 characters (visible in SERP)
- Compelling and click-worthy
- Brand name placement (end, usually)

**Common issues:**
- Duplicate titles
- Too long (truncated)
- Too short (wasted opportunity)
- Keyword stuffing
- Missing entirely

### Meta Descriptions

**Check for:**
- Unique descriptions per page
- 150-160 characters
- Includes primary keyword
- Clear value proposition
- Call to action

**Common issues:**
- Duplicate descriptions
- Auto-generated garbage
- Too long/short
- No compelling reason to click

### Heading Structure

**Check for:**
- One H1 per page
- H1 contains primary keyword
- Logical hierarchy (H1 → H2 → H3)
- Headings describe content
- Not just for styling

**Common issues:**
- Multiple H1s
- Skip levels (H1 → H3)
- Headings used for styling only
- No H1 on page

### Content Optimization

**Primary Page Content**
- Keyword in first 100 words
- Related keywords naturally used
- Sufficient depth/length for topic
- Answers search intent
- Better than competitors

**Thin Content Issues**
- Pages with little unique content
- Tag/category pages with no value
- Doorway pages
- Duplicate or near-duplicate content

### Image Optimization

**Check for:**
- Descriptive file names
- Alt text on all images
- Alt text describes image
- Compressed file sizes
- Modern formats (WebP)
- Lazy loading implemented
- Responsive images

### Internal Linking

**Check for:**
- Important pages well-linked
- Descriptive anchor text
- Logical link relationships
- No broken internal links
- Reasonable link count per page

**Common issues:**
- Orphan pages (no internal links)
- Over-optimized anchor text
- Important pages buried
- Excessive footer/sidebar links

### Keyword Targeting

**Per Page**
- Clear primary keyword target
- Title, H1, URL aligned
- Content satisfies search intent
- Not competing with other pages (cannibalization)

**Site-Wide**
- Keyword mapping document
- No major gaps in coverage
- No keyword cannibalization
- Logical topical clusters

---

## Content Quality Assessment

### E-E-A-T Signals

**Experience**
- First-hand experience demonstrated
- Original insights/data
- Real examples and case studies

**Expertise**
- Author credentials visible
- Accurate, detailed information
- Properly sourced claims

**Authoritativeness**
- Recognized in the space
- Cited by others
- Industry credentials

**Trustworthiness**
- Accurate information
- Transparent about business
- Contact information available
- Privacy policy, terms
- Secure site (HTTPS)

### Content Depth

- Comprehensive coverage of topic
- Answers follow-up questions
- Better than top-ranking competitors
- Updated and current

### User Engagement Signals

- Time on page
- Bounce rate in context
- Pages per session
- Return visits

---

## Common Issues by Site Type

### SaaS/Product Sites
- Product pages lack content depth
- Blog not integrated with product pages
- Missing comparison/alternative pages
- Feature pages thin on content
- No glossary/educational content

### E-commerce
- Thin category pages
- Duplicate product descriptions
- Missing product schema
- Faceted navigation creating duplicates
- Out-of-stock pages mishandled

### Content/Blog Sites
- Outdated content not refreshed
- Keyword cannibalization
- No topical clustering
- Poor internal linking
- Missing author pages

### Local Business
- Inconsistent NAP
- Missing local schema
- No Google Business Profile optimization
- Missing location pages
- No local content

---

## Output Format

### Audit Report Structure

**Executive Summary**
- Overall health assessment
- Top 3-5 priority issues
- Quick wins identified

**Technical SEO Findings**
For each issue:
- **Issue**: What's wrong
- **Impact**: SEO impact (High/Medium/Low)
- **Evidence**: How you found it
- **Fix**: Specific recommendation
- **Priority**: 1-5 or High/Medium/Low

**On-Page SEO Findings**
Same format as above

**Content Findings**
Same format as above

**Prioritized Action Plan**
1. Critical fixes (blocking indexation/ranking)
2. High-impact improvements
3. Quick wins (easy, immediate benefit)
4. Long-term recommendations

---

## References

- [AI Writing Detection](references/ai-writing-detection.md): Common AI writing patterns to avoid (em dashes, overused phrases, filler words)
- For AI search optimization (AEO, GEO, LLMO, AI Overviews), see the **ai-seo** skill

---

## Tools Referenced

**Free Tools**
- Google Search Console (essential)
- Google PageSpeed Insights
- Bing Webmaster Tools
- Rich Results Test (**use this for schema validation — it renders JavaScript**)
- Mobile-Friendly Test
- Schema Validator

> **Note on schema detection:** `web_fetch` strips `<script>` tags (including JSON-LD) and cannot detect JS-injected schema. Always use the browser tool, Rich Results Test, or Screaming Frog for schema checks. See the warning at the top of the Audit Framework section.

**Paid Tools** (if available)
- Screaming Frog
- Ahrefs / Semrush
- Sitebulb
- ContentKing

---

## Task-Specific Questions

1. What pages/keywords matter most?
2. Do you have Search Console access?
3. Any recent changes or migrations?
4. Who are your top organic competitors?
5. What's your current organic traffic baseline?

---

## Related Skills

- **ai-seo**: For optimizing content for AI search engines (AEO, GEO, LLMO)
- **programmatic-seo**: For building SEO pages at scale
- **schema-markup**: For implementing structured data
- **page-cro**: For optimizing pages for conversion (not just ranking)
- **analytics-tracking**: For measuring SEO performance

# AI Writing Detection

Words, phrases, and punctuation patterns commonly associated with AI-generated text. Avoid these to ensure writing sounds natural and human.

Sources: Grammarly (2025), Microsoft 365 Life Hacks (2025), GPTHuman (2025), Walter Writes (2025), Textero (2025), Plagiarism Today (2025), Rolling Stone (2025), MDPI Blog (2025)

---

## Contents
- Em Dashes: The Primary AI Tell
- Overused Verbs
- Overused Adjectives
- Overused Transitions and Connectors
- Phrases That Signal AI Writing (Opening Phrases, Transitional Phrases, Concluding Phrases, Structural Patterns)
- Filler Words and Empty Intensifiers
- Academic-Specific AI Tells
- How to Self-Check

## Em Dashes: The Primary AI Tell

**The em dash (—) has become one of the most reliable markers of AI-generated content.**

Em dashes are longer than hyphens (-) and are used for emphasis, interruptions, or parenthetical information. While they have legitimate uses in writing, AI models drastically overuse them.

### Why Em Dashes Signal AI Writing
- AI models were trained on edited books, academic papers, and style guides where em dashes appear frequently
- AI uses em dashes as a shortcut for sentence variety instead of commas, colons, or parentheses
- Most human writers rarely use em dashes because they don't exist as a standard keyboard key
- The overuse is so consistent that it has become the unofficial signature of ChatGPT writing

### What To Do Instead
| Instead of | Use |
|------------|-----|
| The results—which were surprising—showed... | The results, which were surprising, showed... |
| This approach—unlike traditional methods—allows... | This approach, unlike traditional methods, allows... |
| The study found—as expected—that... | The study found, as expected, that... |
| Communication skills—both written and verbal—are essential | Communication skills (both written and verbal) are essential |

### Guidelines
- Use commas for most parenthetical information
- Use colons to introduce explanations or lists
- Use parentheses for supplementary information
- Reserve em dashes for rare, deliberate emphasis only
- If you find yourself using more than one em dash per page, revise

---

## Overused Verbs

| Avoid | Use Instead |
|-------|-------------|
| delve (into) | explore, examine, investigate, look at |
| leverage | use, apply, draw on |
| optimise | improve, refine, enhance |
| utilise | use |
| facilitate | help, enable, support |
| foster | encourage, support, develop, nurture |
| bolster | strengthen, support, reinforce |
| underscore | emphasise, highlight, stress |
| unveil | reveal, show, introduce, present |
| navigate | manage, handle, work through |
| streamline | simplify, make more efficient |
| enhance | improve, strengthen |
| endeavour | try, attempt, effort |
| ascertain | find out, determine, establish |
| elucidate | explain, clarify, make clear |

---

## Overused Adjectives

| Avoid | Use Instead |
|-------|-------------|
| robust | strong, reliable, thorough, solid |
| comprehensive | complete, thorough, full, detailed |
| pivotal | key, critical, central, important |
| crucial | important, key, essential, critical |
| vital | important, essential, necessary |
| transformative | significant, important, major |
| cutting-edge | new, advanced, recent, modern |
| groundbreaking | new, original, significant |
| innovative | new, original, creative |
| seamless | smooth, easy, effortless |
| intricate | complex, detailed, complicated |
| nuanced | subtle, complex, detailed |
| multifaceted | complex, varied, diverse |
| holistic | complete, whole, comprehensive |

---

## Overused Transitions and Connectors

| Avoid | Use Instead |
|-------|-------------|
| furthermore | also, in addition, and |
| moreover | also, and, besides |
| notwithstanding | despite, even so, still |
| that being said | however, but, still |
| at its core | essentially, fundamentally, basically |
| to put it simply | in short, simply put |
| it is worth noting that | note that, importantly |
| in the realm of | in, within, regarding |
| in the landscape of | in, within |
| in today's [anything] | currently, now, today |

---

## Phrases That Signal AI Writing

### Opening Phrases to Avoid
- "In today's fast-paced world..."
- "In today's digital age..."
- "In an era of..."
- "In the ever-evolving landscape of..."
- "In the realm of..."
- "It's important to note that..."
- "Let's delve into..."
- "Imagine a world where..."

### Transitional Phrases to Avoid
- "That being said..."
- "With that in mind..."
- "It's worth mentioning that..."
- "At its core..."
- "To put it simply..."
- "In essence..."
- "This begs the question..."

### Concluding Phrases to Avoid
- "In conclusion..."
- "To sum up..."
- "By [doing X], you can [achieve Y]..."
- "In the final analysis..."
- "All things considered..."
- "At the end of the day..."

### Structural Patterns to Avoid
- "Whether you're a [X], [Y], or [Z]..." (listing three examples after "whether")
- "It's not just [X], it's also [Y]..."
- "Think of [X] as [elaborate metaphor]..."
- Starting sentences with "By" followed by a gerund: "By understanding X, you can Y..."

---

## Filler Words and Empty Intensifiers

These words often add nothing to meaning. Remove them or find specific alternatives:

- absolutely
- actually
- basically
- certainly
- clearly
- definitely
- essentially
- extremely
- fundamentally
- incredibly
- interestingly
- naturally
- obviously
- quite
- really
- significantly
- simply
- surely
- truly
- ultimately
- undoubtedly
- very

---

## Academic-Specific AI Tells

| Avoid | Use Instead |
|-------|-------------|
| shed light on | clarify, explain, reveal |
| pave the way for | enable, allow, make possible |
| a myriad of | many, numerous, various |
| a plethora of | many, numerous, several |
| paramount | very important, essential, critical |
| pertaining to | about, regarding, concerning |
| prior to | before |
| subsequent to | after |
| in light of | because of, given, considering |
| with respect to | about, regarding, for |
| in terms of | regarding, for, about |
| the fact that | that (or rewrite sentence) |

---

## How to Self-Check

1. Read your text aloud. If phrases sound unnatural in speech, revise them
2. Ask: "Would I say this in a conversation with a colleague?"
3. Check for repetitive sentence structures
4. Look for clusters of the words listed above
5. Ensure varied sentence lengths (not all similar length)
6. Verify each intensifier adds genuine meaning