Domain Structure Planner

Domain architecture

by kostja94 · MIT license · ★ 1,006 on GitHub

Domain architecture cover

When the user wants to decide domain structure for multiple products or brands—subfolder vs subdomain vs independent domain. Also use when the user mentions "subfolder vs subdomain," "subdirectory vs subdomain," "multiple products…

---
name: domain-architecture
description: When the user wants to decide domain structure for multiple products or brands—subfolder vs subdomain vs independent domain. Also use when the user mentions "subfolder vs subdomain," "subdirectory vs subdomain," "multiple products domain," "multiple websites," "brand architecture," "branded house," "house of brands," "where to host product," "domain structure," or "hub-spoke domain." For brand SERP, use multi-domain-brand-seo.
metadata:
  version: 1.0.1
---

# Strategy: Domain Architecture

Guides domain structure decisions for multiple products or brands: subfolder (subdirectory), subdomain, or independent domain. Covers brand architecture (Branded House vs House of Brands) and Hub-Spoke principles when multiple domains coexist. See **domain-selection** for initial domain choice (Brand/PMD/EMD, TLD); **website-structure** for single-domain page planning; **rebranding-strategy** for domain change and migration; **multi-domain-brand-seo** for brand search optimization.

**When invoking**: On **first use**, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On **subsequent use** or when the user asks to skip, go directly to the main output.

## Initial Assessment

**Project context:** Read root `contextus.md` when present and load only the modules relevant to this task. Without Contextus, use available project material or user-provided facts and ask for missing information; do not create a parallel context system.

Identify:

Overview

Guides domain structure decisions for multiple products or brands: subfolder (subdirectory), subdomain, or independent domain. Covers brand architecture (Branded House vs House of Brands) and Hub-Spoke principles when multiple domains coexist. See domain-selection for initial domain choice (Brand/PMD/EMD, TLD); website-structure for single-domain page planning; rebranding-strategy for domain change and migration; multi-domain-brand-seo for brand search optimization.

What you get

  • Recommendation(subfolder / subdomain / independent) with rationale
  • Brand architecturefit (Branded House / House of Brands / Sub-brands)
  • Domain mapping(e.g., product A → company.com/product-a)
  • Hub-Spokeguidance (if multiple domains)
  • Relatednext steps (website-structure, rebranding-strategy)
Manual install (npx, ZIP)
Claude Codenpx skills add kostja94/marketing-skills --skill domain-architecture -g -a claude-code
Claude Code (degit)npx degit kostja94/marketing-skills/skills/strategies/commercial/domain/domain-architecture#main ~/.claude/skills/domain-architecture
Claude.ai / desktopZip the folder and upload it under Settings → Capabilities → Skills.
Codex, Cursor, other agentsPoint them at SKILL.md. The other files are plain text.

Connects with Agent Alley MCP · agentalley.io/mcp

Files included

  • SKILL.md4.9 KB
Read SKILL.md here
kostja94/main1 file shown
SKILL.md
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Strategy: Domain Architecture

Guides domain structure decisions for multiple products or brands: subfolder (subdirectory), subdomain, or independent domain. Covers brand architecture (Branded House vs House of Brands) and Hub-Spoke principles when multiple domains coexist. See domain-selection for initial domain choice (Brand/PMD/EMD, TLD); website-structure for single-domain page planning; rebranding-strategy for domain change and migration; multi-domain-brand-seo for brand search optimization.

When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.

Initial Assessment

Project context: Read root contextus.md when present and load only the modules relevant to this task. Without Contextus, use available project material or user-provided facts and ask for missing information; do not create a parallel context system.

Identify:

  1. Product count: Single product vs multiple products/brands
  2. Brand strategy: Unified brand vs distinct brands
  3. Current state: Planning from scratch vs consolidating existing domains
  4. Constraints: Tech stack, team, budget

Domain Structure Options

Structure Example SEO Authority Brand Independence Typical Use
Subfolder company.com/product-a Shared with main domain Low Products under one brand; SMB; content consolidation
Subdomain product.company.com Treated separately by Google Medium Separate product experience; tech isolation; support/docs
Independent domain product.ai None shared High Acquired brands; different markets; distinct brand identity
When to Use Each
Choose When
Subfolder Products share value proposition; want to strengthen main domain; SMB; blog, tools, features under one brand
Subdomain Need separate tech stack (e.g., app vs marketing); support portal; docs; distinct UX but same brand
Independent domain House of Brands; acquired company; different audience; different TLD (e.g., .ai for AI product)

SEO consensus: Subfolders typically outperform subdomains for most cases—authority flows to the main domain. Subdomains require separate SEO effort.

Brand Architecture

Model Description Domain Tendency Examples
Branded House One master brand; products use functional descriptors Subfolder or subdomain Google (google.com/search, google.com/maps), FedEx
House of Brands Each brand independent; parent hidden Independent domains Unilever (dove.com, axe.com)
Sub-brands / Endorsed Sub-brands with parent endorsement Subdomain or independent FedEx Express, Marriott Bonvoy

Decision factors: Business strategy, market positioning, product overlap, resource availability.

Hub-Spoke (Multiple Domains Coexist)

When company main site (company.com) and product site (product.ai) both exist:

Role Domain Focus
Hub company.com Brand, About, Research, product matrix; brand queries
Spoke product.ai Product features, pricing, signup; product queries

Principles:

  • Hub links to Spoke (Products section); Spoke links back (About, Footer, "A [Company] product")
  • Spoke avoids competing for brand queries in Title; Hub avoids competing for product keywords
  • See multi-domain-brand-seo for brand search optimization.

Output Format

  • Recommendation (subfolder / subdomain / independent) with rationale
  • Brand architecture fit (Branded House / House of Brands / Sub-brands)
  • Domain mapping (e.g., product A → company.com/product-a)
  • Hub-Spoke guidance (if multiple domains)
  • Related next steps (website-structure, rebranding-strategy)
  • domain-selection: Initial domain choice (Brand/PMD/EMD, TLD); single-site use case
  • website-structure: Plan pages within a domain; single-domain structure
  • rebranding-strategy: Domain change, 301 redirects, migration
  • multi-domain-brand-seo: Brand search control when Hub and Spoke coexist
  • branding: Brand strategy, positioning; domain architecture implements brand structure
1---
2name: domain-architecture
3description: When the user wants to decide domain structure for multiple products or brands—subfolder vs subdomain vs independent domain. Also use when the user mentions "subfolder vs subdomain," "subdirectory vs subdomain," "multiple products domain," "multiple websites," "brand architecture," "branded house," "house of brands," "where to host product," "domain structure," or "hub-spoke domain." For brand SERP, use multi-domain-brand-seo.
4metadata:
5 version: 1.0.1
6---
7 
8# Strategy: Domain Architecture
9 
10Guides domain structure decisions for multiple products or brands: subfolder (subdirectory), subdomain, or independent domain. Covers brand architecture (Branded House vs House of Brands) and Hub-Spoke principles when multiple domains coexist. See **domain-selection** for initial domain choice (Brand/PMD/EMD, TLD); **website-structure** for single-domain page planning; **rebranding-strategy** for domain change and migration; **multi-domain-brand-seo** for brand search optimization.
11 
12**When invoking**: On **first use**, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On **subsequent use** or when the user asks to skip, go directly to the main output.
13 
14## Initial Assessment
15 
16**Project context:** Read root `contextus.md` when present and load only the modules relevant to this task. Without Contextus, use available project material or user-provided facts and ask for missing information; do not create a parallel context system.
17 
18Identify:
191. **Product count**: Single product vs multiple products/brands
202. **Brand strategy**: Unified brand vs distinct brands
213. **Current state**: Planning from scratch vs consolidating existing domains
224. **Constraints**: Tech stack, team, budget
23 
24## Domain Structure Options
25 
26| Structure | Example | SEO Authority | Brand Independence | Typical Use |
27|-----------|---------|---------------|-------------------|-------------|
28| **Subfolder** | company.com/product-a | Shared with main domain | Low | Products under one brand; SMB; content consolidation |
29| **Subdomain** | product.company.com | Treated separately by Google | Medium | Separate product experience; tech isolation; support/docs |
30| **Independent domain** | product.ai | None shared | High | Acquired brands; different markets; distinct brand identity |
31 
32### When to Use Each
33 
34| Choose | When |
35|--------|------|
36| **Subfolder** | Products share value proposition; want to strengthen main domain; SMB; blog, tools, features under one brand |
37| **Subdomain** | Need separate tech stack (e.g., app vs marketing); support portal; docs; distinct UX but same brand |
38| **Independent domain** | House of Brands; acquired company; different audience; different TLD (e.g., .ai for AI product) |
39 
40**SEO consensus**: Subfolders typically outperform subdomains for most cases—authority flows to the main domain. Subdomains require separate SEO effort.
41 
42## Brand Architecture
43 
44| Model | Description | Domain Tendency | Examples |
45|-------|-------------|-----------------|----------|
46| **Branded House** | One master brand; products use functional descriptors | Subfolder or subdomain | Google (google.com/search, google.com/maps), FedEx |
47| **House of Brands** | Each brand independent; parent hidden | Independent domains | Unilever (dove.com, axe.com) |
48| **Sub-brands / Endorsed** | Sub-brands with parent endorsement | Subdomain or independent | FedEx Express, Marriott Bonvoy |
49 
50**Decision factors**: Business strategy, market positioning, product overlap, resource availability.
51 
52## Hub-Spoke (Multiple Domains Coexist)
53 
54When company main site (company.com) and product site (product.ai) both exist:
55 
56| Role | Domain | Focus |
57|------|--------|-------|
58| **Hub** | company.com | Brand, About, Research, product matrix; brand queries |
59| **Spoke** | product.ai | Product features, pricing, signup; product queries |
60 
61**Principles**:
62- Hub links to Spoke (Products section); Spoke links back (About, Footer, "A [Company] product")
63- Spoke avoids competing for brand queries in Title; Hub avoids competing for product keywords
64- See **multi-domain-brand-seo** for brand search optimization.
65 
66## Output Format
67 
68- **Recommendation** (subfolder / subdomain / independent) with rationale
69- **Brand architecture** fit (Branded House / House of Brands / Sub-brands)
70- **Domain mapping** (e.g., product A → company.com/product-a)
71- **Hub-Spoke** guidance (if multiple domains)
72- **Related** next steps (website-structure, rebranding-strategy)
73 
74## Related Skills
75 
76- **domain-selection**: Initial domain choice (Brand/PMD/EMD, TLD); single-site use case
77- **website-structure**: Plan pages within a domain; single-domain structure
78- **rebranding-strategy**: Domain change, 301 redirects, migration
79- **multi-domain-brand-seo**: Brand search control when Hub and Spoke coexist
80- **branding**: Brand strategy, positioning; domain architecture implements brand structure
81 
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