STEP 1
Domain input
Enter your domain, business model and target markets. SemanticOS reads what the site is and who it serves.
AI topical map generator
The AI topical map generator that plans your whole site
SemanticOS is a topical map builder that turns your domain and central entity into a complete content architecture: pillar, cluster and supporting pages with search intents, URL paths, internal links and a brief for every article.
2 hours free, no credit card · or a 7-day full trial for $7 · runs on your own Claude API key
What is a topical map?
A topical map is the complete plan of pages a website needs to be seen as an authority on a subject. It starts from one central entity (the thing your site is about), breaks it into the attributes and sub-topics searchers care about, and arranges them as pillar, cluster and supporting pages, each with a search intent, a URL and the internal links that connect it to the rest of the site.
A keyword list tells you what people type. A topical map tells you what your site should publish, in what order, and how every page relates to the others. That structure is what lets search engines understand your coverage of a topic rather than judging pages one at a time.
A topical map generator automates building that plan. SemanticOS builds it from your domain and your source context, so the map fits your business and not a generic template for the niche.
How it works
How the SemanticOS topical map builder works
Every step feeds the next, so the map is grounded in your entity, not guessed from a seed keyword.
STEP 2
Source context & central entity
Define the central entity, your content moat and competitive angle. This decides where the map’s topical borders sit.
STEP 3
EAV architecture
Map entity → attribute → value chains. Each important attribute becomes a candidate page or section of the map.
STEP 4
Keyword research (optional)
Pull real search volumes and SERP-based clusters through DataForSEO and attach them to the nodes that should rank for them.
STEP 5
Topical map generation
SemanticOS generates the Core and Outer sections as a pillar–cluster–supporting network, with intents and URL paths.
STEP 6
Briefs, links & audit
Every node gets a content brief, an internal-link plan in the Link Matrix, and a topical audit.
What every generated topical map includes
- Core section: the pages that directly serve your central entity and your monetisation, where most of your authority should flow.
- Outer section: the supporting coverage that broadens your topical relevance and feeds links back into the core.
- Pillar → cluster → supporting hierarchy, with every node assigned a parent, a search intent and a page type.
- URL paths that follow the silo structure, so the published site mirrors the map.
- Internal-link plan: intent-progressive anchors between nodes, generated by the Link Matrix.
- Publishing sequence: the Content Sequencer and Publishing Sprint order articles for maximum authority transfer.
- Exports to Google Sheets, Notion, CSV, Markdown and PDF, with white-label PDF on the Agency plan.
Built-in validation before you publish
A topical map is only useful if it holds together. SemanticOS checks the map with a Topical Gap Heatmap (thin coverage by cluster), an Intent Conflict Detector (two pages answering the same intent differently) and a Cannibalization Detector (two pages competing for the same query). Most issues have a one-click auto-fix, and every fix can be undone.
Topical map generator vs. the alternatives
| Approach | What you get | Where it falls short |
|---|---|---|
| Manual spreadsheet | Full control over every row | Days of work per site, and hard to keep consistent as the map grows |
| Keyword clustering tool | Groups of queries that share SERP results | Tells you what looks similar, not what your site should publish or how pages link |
| Topical map service | A finished map delivered by an agency | Turnaround time, a one-off document, and extra cost for every revision |
| SemanticOS topical map builder | Entity-based map, briefs, links and audit in one workflow | Needs your own Claude API key (usage billed by Anthropic at cost) |
Who uses this topical map software
SEO consultants use it to hand clients a complete content strategy instead of a list of keywords. Agencies run their own topical map service on top of it, with unlimited projects and white-label PDF reports on the Agency plan. Content teams and site owners use it to decide what to write next and stop publishing pages that compete with each other.
It works for new sites (the Build a New Website roadmap walks a fresh domain through each layer in order) and for existing sites: import your sitemap, map existing URLs onto the plan and see exactly which gaps to close. Local businesses get dedicated tools too, including Lean Local Launch, Location Pages and the Google Business Profile optimizer.
Want the wider picture? See how the map fits into the rest of the semantic SEO tool.
FAQ
Frequently asked questions
What is a topical map generator?
A topical map generator is software that builds the full plan of pages a site needs to cover a topic: pillars, clusters and supporting articles, each with a search intent, URL and internal links. SemanticOS generates that map from your domain, central entity and entity-attribute-value (EAV) structure rather than from a single seed keyword.
How long does it take to generate a topical map?
The map itself generates in minutes once your domain input and source context are set. Most of the time goes into the steps you control, such as confirming the central entity and reviewing the EAV attributes, which is what makes the result fit your business.
Is SemanticOS a topical map builder or a topical map service?
It is a topical map builder you run yourself, not an agency. You keep full control of the output and there is no turnaround time. Agencies on the Agency plan use white-label PDF exports to deliver topical maps to their own clients.
What is the difference between a topical map and keyword clustering?
Keyword clustering groups queries that look similar or share search results. A topical map decides what your site should publish and how those pages relate. In SemanticOS, keyword clusters are attached to the map nodes that should rank for them, so clustering is one input to the map rather than a replacement for it.
Can I build a topical map for an existing website?
Yes. Import your sitemap or existing URLs and SemanticOS maps them onto the topical map, shows which nodes are already covered, and highlights gaps, cannibalization and intent conflicts to fix.
How much does the topical map generator cost?
You can try it free for 2 hours with no credit card, or take a 7-day full trial for $7. Paid plans are Starter at $59/month (1 project), Pro at $99/month (5 projects) and Agency at $199/month (unlimited projects and white-label exports). All plans run on your own Claude API key.
Keep exploring SemanticOS
Your topical map, generated in minutes.
Enter your domain, define your central entity and get a complete, entity-based content plan: map, briefs, internal links and audit.