Tech riderRev. 30 Sept 2026
  1. 1Runs onWeb
  2. 2CostsFree plan
  3. 3Clustering methodserp
  4. 4Keyword limit500 keywords
  5. 5SERP analysisYes
  6. 6Batch uploadYes
  7. 7Export formatsCSV
7 lines stated Written from the maker's own pages: proserpcluster.com
The Pro SERP Cluster homepage

Overview

Pro SERP Cluster is a free web tool that groups keywords by overlap in actual Google search results. It uses SERP data to identify terms sharing search intent and keywords competing for the same rankings, which can inform content consolidation. The tool also supports blog post optimization, pillar-page creation, content-gap analysis and topic clusters for hub-and-spoke planning, topical authority and site architecture. Each clustering run supports up to 500 keywords. Users can choose a target region and language and adjust the overlap threshold to change clustering strictness. Google SERPs are retrieved through a Serper.dev API key, which is stored locally for the session only. Results can be exported as CSV, and the free plan includes CSV import and export. The product is aimed at professional SEOs planning content, building topic authority or addressing cannibalization. The listed plan costs 0.00 USD per free.

Who it is for

It suits professional SEOs who plan content, build topic authority or need to identify competing keywords. It is also relevant to people organizing hub-and-spoke content or evaluating content gaps.

What is good

  • Uses actual Google SERP overlap for clustering.
  • Runs support up to 500 keywords.
  • Region, language and overlap threshold are configurable.
  • Exports cluster results as CSV.

What to know first

  • A Serper.dev API key is required to retrieve SERPs.
  • Each clustering run is limited to 500 keywords.

Verdict

Pro SERP Cluster focuses on search-result overlap, with controls for region, language and clustering strictness. Its free plan and session-only API-key storage are specified, alongside the 500-keyword run limit.

Pro SERP Cluster plans and pricing

All plans
Free Free up to 500 keywords per clustering run · CSV import/export proserpcluster.com · 30 Sept 2026

Compared on keyword clustering tools

Free plan
Yesproserpcluster.com
Clustering method
serpproserpcluster.com
Keyword limit
500 keywordsproserpcluster.com
SERP analysis
Yesproserpcluster.com
Batch upload
Yesproserpcluster.com
Export formats
CSVproserpcluster.com

Facts

Purpose
Pro SERP Cluster groups keywords using overlap among actual Google search results.proserpcluster.com · 30 Sept 2026
Data source
The tool uses real Google SERP data rather than NLP or embedding approximations.proserpcluster.com · 30 Sept 2026
Search intent
SERP overlap is used to reveal shared search intent between keywords.proserpcluster.com · 30 Sept 2026
Cannibalization
It identifies keywords competing for the same rankings so content can be consolidated.proserpcluster.com · 30 Sept 2026
Content planning
It supports blog post optimization, pillar-page creation, and content-gap analysis.proserpcluster.com · 30 Sept 2026
Topic clusters
It groups keywords into topic clusters for hub-and-spoke content, topical-authority building, and site-architecture planning.proserpcluster.com · 30 Sept 2026
API integration
Users connect a Serper.dev API key to retrieve Google SERPs.proserpcluster.com · 30 Sept 2026
API key storage
The Serper.dev API key is stored locally for the session only.proserpcluster.com · 30 Sept 2026
Input limit
A clustering run supports up to 500 keywords.proserpcluster.com · 30 Sept 2026
Configuration
Users can select a target region, language, and overlap threshold for clustering strictness.proserpcluster.com · 30 Sept 2026
Export
Cluster results can be exported as a CSV file.proserpcluster.com · 30 Sept 2026
Audience
The product is built for professional SEOs planning content, building topic authority, or fixing cannibalization.proserpcluster.com · 30 Sept 2026

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