Keyword Research
Keyword research tool for practical SEO planning
Find keyword ideas, compare search volume and difficulty, inspect SERP results, and save the opportunities worth building around.
What you can do
- 01
Research seed topics
Start with one or more seeds and expand them into keyword ideas with volume, difficulty, CPC, and intent signals.
- 02
Inspect the real SERP
Open SERP results beside keyword metrics so content decisions are based on the pages ranking for that query.
- 03
Save and organize opportunities
Keep useful keywords in your workspace and tag them for content planning, rank tracking, or AI-agent workflows.
Data you can act on
- Search volume
- Demand
- Keyword difficulty
- Competition
- CPC
- Commercial signal
- SERP results
- Search context
Use cases
- —Build a content roadmap from real keyword data.
- —Find lower-competition variants before writing.
- —Group keywords for articles, landing pages, and rank tracking.
Why OpenSEO
- —Open-source SEO workflows you can self-host or run in the managed app.
- —DataForSEO-backed metrics without locking the research process into a black box.
- —MCP access so AI agents can research and save keywords for you.
Related features
FAQ
What is OpenSEO keyword research best for?
OpenSEO is best for finding SEO keyword ideas, checking demand and difficulty, and turning those ideas into saved keywords you can revisit.
Can I use OpenSEO as a free keyword research tool?
OpenSEO is open source and can be self-hosted. The managed app also keeps keyword research tied to transparent usage instead of a large fixed subscription to a closed SEO suite.
Does OpenSEO show live search results?
Yes. Keyword research can be paired with SERP inspection so you can see ranking pages alongside the metrics.
Try OpenSEO
The open source alternative to bloated, expensive, legacy SEO tools.