seo-review

Skill: SEO Audit for Concept Pages

Use this skill to perform a focused SEO audit on concept documentation pages for the 33 JavaScript Concepts project. The goal is to maximize search visibility for JavaScript developers.

When to Use

• Before publishing a new concept page
• When optimizing underperforming pages
• Periodic content audits
• After major content updates
• When targeting new keywords

Goal

Each concept page should rank for searches like:

• "what is [concept] in JavaScript"
• "how does [concept] work in JavaScript"
• "[concept] JavaScript explained"
• "[concept] JavaScript tutorial"
• "[concept] JavaScript example"

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SEO Audit Methodology

Follow these five steps for a complete SEO audit.

Step 1: Identify Target Keywords

Before auditing, identify the keyword cluster for the concept.

Keyword Cluster Template

Type	Pattern	Example (Closures)
Primary	[concept] JavaScript	closures JavaScript
What is	what is [concept] in JavaScript	what is a closure in JavaScript
How does	how does [concept] work	how do closures work
How to	how to use/create [concept]	how to use closures
Why	why use [concept]	why use closures JavaScript
Examples	[concept] examples	closure examples JavaScript
vs	[concept] vs [related]	closures vs scope
Interview	[concept] interview questions	closure interview questions

Step 2: On-Page SEO Audit

Check all on-page SEO elements systematically.

Step 3: Featured Snippet Optimization

Verify content is structured to win featured snippets.

Step 4: Internal Linking Audit

Check the internal link structure.

Step 5: Generate Report

Document findings using the report template.

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Keyword Clusters by Concept

Use these pre-built keyword clusters for each concept.

<AccordionGroup> <Accordion title="Call Stack"> | Type | Keywords | |------|----------| | Primary | JavaScript call stack, call stack JavaScript | | What is | what is the call stack in JavaScript | | How does | how does the call stack work | | Error | maximum call stack size exceeded, stack overflow JavaScript | | Visual | call stack visualization, call stack explained | | Interview | call stack interview questions JavaScript | </Accordion> <Accordion title="Primitive Types"> | Type | Keywords | |------|----------| | Primary | JavaScript primitive types, primitives in JavaScript | | What are | what are primitive types in JavaScript | | List | JavaScript data types, types in JavaScript | | vs | primitives vs objects JavaScript | | typeof | typeof JavaScript, JavaScript typeof operator | | Interview | JavaScript types interview questions | </Accordion> <Accordion title="Value vs Reference Types"> | Type | Keywords | |------|----------| | Primary | JavaScript value vs reference, pass by reference JavaScript | | What is | what is pass by value in JavaScript | | How does | how does JavaScript pass objects | | Comparison | value types vs reference types JavaScript | | Copy | how to copy objects JavaScript, deep copy JavaScript | </Accordion> <Accordion title="Type Coercion"> | Type | Keywords | |------|----------| | Primary | JavaScript type coercion, type conversion JavaScript | | What is | what is type coercion in JavaScript | | How does | how does type coercion work | | Implicit | implicit type conversion JavaScript | | Explicit | explicit type conversion JavaScript | | Interview | type coercion interview questions | </Accordion> <Accordion title="Equality Operators"> | Type | Keywords | |------|----------| | Primary | JavaScript equality, == vs === JavaScript | | What is | what is the difference between == and === | | Comparison | loose equality vs strict equality JavaScript | | Best practice | when to use == vs === | | Interview | JavaScript equality interview questions | </Accordion> <Accordion title="Scope and Closures"> | Type | Keywords | |------|----------| | Primary | JavaScript closures, JavaScript scope | | What is | what is a closure in JavaScript, what is scope | | How does | how do closures work, how does scope work | | Types | types of scope JavaScript, lexical scope | | Use cases | closure use cases, why use closures | | Interview | closure interview questions JavaScript | </Accordion> <Accordion title="Event Loop"> | Type | Keywords | |------|----------| | Primary | JavaScript event loop, event loop JavaScript | | What is | what is the event loop in JavaScript | | How does | how does the event loop work | | Visual | event loop visualization, event loop explained | | Related | call stack event loop, task queue JavaScript | | Interview | event loop interview questions | </Accordion> <Accordion title="Promises"> | Type | Keywords | |------|----------| | Primary | JavaScript Promises, Promises in JavaScript | | What is | what is a Promise in JavaScript | | How to | how to use Promises, how to chain Promises | | Methods | Promise.all, Promise.race, Promise.allSettled | | Error | Promise error handling, Promise catch | | vs | Promises vs callbacks, Promises vs async await | </Accordion> <Accordion title="async/await"> | Type | Keywords | |------|----------| | Primary | JavaScript async await, async await JavaScript | | What is | what is async await in JavaScript | | How to | how to use async await, async await tutorial | | Error | async await error handling, try catch async | | vs | async await vs Promises | | Interview | async await interview questions | </Accordion> <Accordion title="this Keyword"> | Type | Keywords | |------|----------| | Primary | JavaScript this keyword, this in JavaScript | | What is | what is this in JavaScript | | How does | how does this work in JavaScript | | Binding | call apply bind JavaScript, this binding | | Arrow | this in arrow functions | | Interview | this keyword interview questions | </Accordion> <Accordion title="Prototypes"> | Type | Keywords | |------|----------| | Primary | JavaScript prototype, prototype chain JavaScript | | What is | what is a prototype in JavaScript | | How does | how does prototype inheritance work | | Chain | prototype chain explained | | vs | prototype vs class JavaScript | | Interview | prototype interview questions JavaScript | </Accordion> <Accordion title="DOM"> | Type | Keywords | |------|----------| | Primary | JavaScript DOM, DOM manipulation JavaScript | | What is | what is the DOM in JavaScript | | How to | how to manipulate DOM JavaScript | | Methods | getElementById, querySelector JavaScript | | Events | DOM events JavaScript, event listeners | | Performance | DOM performance, virtual DOM vs DOM | </Accordion> <Accordion title="Higher-Order Functions"> | Type | Keywords | |------|----------| | Primary | JavaScript higher order functions, higher order functions | | What are | what are higher order functions | | Examples | map filter reduce JavaScript | | How to | how to use higher order functions | | Interview | higher order functions interview | </Accordion> <Accordion title="Recursion"> | Type | Keywords | |------|----------| | Primary | JavaScript recursion, recursion in JavaScript | | What is | what is recursion in JavaScript | | How to | how to write recursive functions | | Examples | recursion examples JavaScript | | vs | recursion vs iteration JavaScript | | Interview | recursion interview questions | </Accordion> </AccordionGroup>

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Audit Checklists

Title Tag Checklist (4 points)

#	Check	Points	How to Verify
1	Length 50-60 characters	1	Count characters in title frontmatter
2	Primary keyword in first half	1	Concept name appears early
3	Ends with "in JavaScript"	1	Check title ending
4	Contains compelling hook	1	Promises value/benefit to reader

Scoring:

• 4/4: ✅ Excellent
• 3/4: ⚠️ Good, minor improvements possible
• 0-2/4: ❌ Needs significant work

Title Formula:

[Concept]: [What You'll Understand] in JavaScript

Good Examples:

Concept	Title (with character count)
Closures	"Closures: How Functions Remember Their Scope in JavaScript" (58 chars)
Event Loop	"Event Loop: How Async Code Actually Runs in JavaScript" (54 chars)
Promises	"Promises: Handling Async Operations in JavaScript" (49 chars)
DOM	"DOM: How Browsers Represent Web Pages in JavaScript" (51 chars)

Bad Examples:

Issue	Bad Title	Better Title
Too short	"Closures"	"Closures: How Functions Remember Their Scope in JavaScript"
Too long	"Understanding JavaScript Closures and How They Work with Examples" (66 chars)	"Closures: How Functions Remember Their Scope in JavaScript" (58 chars)
No hook	"JavaScript Closures"	"Closures: How Functions Remember Their Scope in JavaScript"
Missing "JavaScript"	"Understanding Closures and Scope"	Add "in JavaScript" at end

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Meta Description Checklist (4 points)

#	Check	Points	How to Verify
1	Length 150-160 characters	1	Count characters in description frontmatter
2	Starts with action word	1	"Learn", "Understand", "Discover" (NOT "Master")
3	Contains primary keyword	1	Concept name + "JavaScript" present
4	Promises specific value	1	Lists what reader will learn

Description Formula:

[Action word] [

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