SERP Based Keyword Clustering
Turn any keyword into a complete topic cluster.
Built on live Google rankings, not guesswork or KW-lists.
10 free searches/mo, no credit card.
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Create fewer pages
Get more traffic and ranking power with keyword clusters.
SERP-based clusters
Read Google rankings, not word patterns.
Ranking pages
Know competing pages, not just keywords.
Check Real Keyword Clustering Examples
See exactly what you’ll get when you cluster keywords with Seonio.
magnesium supplement
us · 100 keywords
- 1 magnesium supplement 28
- 2 magnesium supplement glycinate 16
- 3 supplement with magnesium 11
- + 13 more clusters
16 clusters
7.2m
how to loose weight
us · 75 keywords
- 1 how to loose weight 3
- 2 how to avoid loose skin after weight loss 34
- 3 how to tighten loose skin after weight loss 36
- + 2 more clusters
5 clusters
213.8k
beef tallow
us · 100 keywords
- 1 tallow beef 26
- 2 beef tallow skin 24
- 3 fries beef tallow 11
- + 17 more clusters
20 clusters
1.1m
Know How Many Pages You Need Before Writing
Build a complete content roadmap based on what Google actually ranks.
Keyword example
magnesium supplement
19
Brief-ready clusters
7.8M
Monthly volume
100
Keywords assigned to clusters
0
Flagged as uncategorized
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Keyword Clustering Features for Your Content Roadmap
Everything a cluster needs to become a brief.
Google's Real Intent
Live SERP Overlap Scoring
Keyword pairs are compared with ranking pages on Google and their overlap.
Keywords with different wording but the same results are grouped with their head terms, not split into separate topics
Natural Keyword Groups
Keyword Network Maps
Keywords are mapped as a weighted graph and clustered with the Louvain algorithm to reveal dense topic groups.
Produces clusters that reflect how search engines actually organize topics, rather than relying on broad intent labels or semantic assumptions
Auto-Cluster Long-Tail Variants
One Page for Dozens of Related Searches
Overlapping long-tail keywords are clustered together, consolidating multiple variations under one page.
Captures substantially more search demand with fewer pages, concentrating topical authority around a single URL rather than distributing it across thin articles
False Connections Filter
Remove SERP Noise Before Clustering
Domains like encyclopedias, marketplaces, and reference sites are removed so they don't create false links between topics.
Without this step, dominant sites collapse distinct topics into a single incorrect cluster. Removing them first means cleaner output from the start, with no manual cleanup afterward
Real SERP Proof
Link Keywords Only with Genuine Overlap
Keywords are linked only if enough ranking URLs truly overlap. Minimum cluster sizes and shared URL thresholds prevent weak or coincidental connections.
Every cluster is grounded in observable data, so the groupings you act on reflect real ranking intent rather than statistical noise
No Keyword Left Behind
Recover Unmatched Keywords Automatically
Keywords that don't meet the first-pass threshold are matched to the cluster with the strongest URL overlap.
Maximizes the coverage of your input list without manual triage, ensuring long-tail terms are placed correctly rather than lost between runs
Track Uncategorized Keywords
See Every Keyword in Your Set
Keywords that don't fit any cluster are flagged separately with their volume preserved, instead of being dropped silently.
Keeps your export complete and auditable. Uncategorized KWs can signal niche subtopics worth investigating in a separate research pass rather than discarding outright
Primary Keyword
Best Keyword for Each Page
Weighted SERP overlap determines the central keyword for each page, with all supporting terms aligned around it.
Anchors each page to the keyword that best represents the full cluster, producing more reliable briefs than simply targeting the highest standalone volume figure
Full Topic Demand
Total Volume for Every Cluster
Clusters report combined search volume across all keywords, showing the true opportunity beyond the head term.
Clusters reveal the combined traffic of all related keywords, showing where the real opportunity lies before any content is created
Ranking Pages
URL-Level Intelligence for Every Topic
Clusters reveal the pages ranking for two or more keywords, not just domains.
Clear benchmarks for writers and SEOs. Gives specific pages to analyze, benchmark content against, and spot link patterns, not just broad topic guidance
Competing Pages
Assess Cluster Competitiveness
The top 10 organic results for each cluster's head term reveal ranking domains, rewarded content formats, and competitor strength.
See if a cluster is realistically winnable, understand the content formats Google favors, and enter briefing with full situational awareness, not assumptions
How it works: Three easy steps.
From one keyword to a full topic map.
Enter your seed keyword
Seonio fetches the live top-10 Google results for that term and all related keywords it discovers from the SERP data.
The graph is built
Keywords become nodes. Shared ranking pages become weighted connections. The algorithm detects natural topic groups automatically.
Your cluster map is ready
Ready to brief: Each cluster comes with a primary keyword, combined search volume, and the specific pages currently ranking for it.
The Most Advanced KW Clustering Tool. Seriously.
Replacing rigid cluster thresholds, our Louvain clustering engine utilizes graph topology. Mapping SERP connections to uncover hidden structures.
| Without Seonio | With Seonio | |
|---|---|---|
| Strategy | Dozens of thin articles for individual keywords | One authoritative page covering the full cluster |
| Search volume | Diluted across many pages, each ranking for one term | Consolidated across all cluster keywords on one page |
| Competitive intel | No visibility into which specific pages to outrank | Multiple competing pages listed for the first cluster alone |
| Long-tail terms | Keywords dropped or filed under the wrong topic | Every viable keyword assigned; remainder flagged with volume |
Why Seonio Works
Turn SEO data into clear actions, without the high price tag.
Free | $7.50/mo
Unbeatable Pricing
Seonio is the most affordable all-in-one SEO tool with simple pricing plans. Get 10 free searches/mo with a free account.
Full Access
UX and UI
Easy to Use
Seonio is built to make SEO research intuitive and easy to understand, turning complex data into clear, actionable insights.
What Our Users Say
Real results from our users.
185%
ROI
"Seonio’s unique similarity score showed us trending keywords we’d never thought of implementing in our ad campaigns and landing pages."
Alex M. | SEO Manager
127%
Conversion Rate
"The Spam Score and DA metrics are essential for our link-building outreach. We now can vet prospects in seconds, saving us hours each week."
Priya S. | Agency Owner
314%
Organic Traffic
"$10/mo is a no-brainer. Knowing what our potential clients actually search and our competition is ranking for, has shifted our whole online marketing strategy."
Konrad L. | Dentist
Pricing
Pay only for the tools you use. With our flexible credit system, every report you generate stays unlocked and free to revisit for 7 to 30 days.
Free
10 credits / month
Free forever, all tools included.
Explore every tool at your own pace.
Starter
1,000 credits / month
Cancel anytime, all tools included.
Great for solo marketers and freelancers.
Pro
2,500 credits / month
Cancel anytime, all tools included.
The sweet spot for growing teams.
Business
6,000 credits / month
Cancel anytime, all tools included.
Ideal for agencies and power users.
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