Content ideas at the touch of a button

Topic clustering

seospark.io creates data-driven topic clusters based on the Google search results page. Fast and precise.

Loved by 1,000+ SEO experts
Reviewed on
Our tool

Group keywords that belong together

We automatically cluster keywords according to SERP overlap and you can concentrate on your website.

Topic clusters at the touch of a button

Automatically clusters up to 100,000 keywords into meaningful topic blocks.

SERP overlap logic

Use real Google search results to build keyword clusters by search intent.

Get SERP features like the questions on a topic directly from Google.

Powerful visualization

Use our interactive cluster graphic to immediately recognize which topics are worthwhile.

Finding content gaps

See directly which topics you don’t yet have content for – and where there is potential.

Create content briefings directly

Create a content briefing from a cluster and write text that covers all the important aspects.

Who uses seospark’s keyword clustering?

For all those who work with keywords

Agencies

Scale your customers’ content efficiently with automated keyword clustering.

Freelancer

Get more projects with professional-level SEO content with just one smart tool.

Shopkeeper

Discover unused keywords that your customers are already searching for.

Why choose seospark.io?

3 reasons for our keyword clustering

Smart Keyword Clustering
seospark uses SERP overlaps to group keywords into precise content blocks to ensure a perfect match with search intent.
Tailor-made questions
Automatically generates specific questions to answer user queries and increase the relevance of content.
End-to-end content creation
From keyword research to the finished article, seospark.io streamlines content creation with a single tool.
Use our experience

Our topic clustering is actively used

30M +
keywords clustered
40M +
keywords researched
1k +
customers made happy
5k +
articles created
You are not alone

Popular with over 1,000 SEOs and online marketers

“Reliable and Affordable”
“I’ve been using seospark since 2018 and for me it’s one of the most reliable tools in the German-speaking market. It supports me in keyword research for SEO, content marketing and Google Ads. It is also very popular in my workshops and lectures at universities and colleges in Austria. Absolutely recommended and definitely a price-performance winner with very good support!”
Florian Hieß
Digital Wings Online Marketing
“Swiss Army Knife”
“Originally started as a simple suggest tool, where you could donate beer to Sebastian to say thank you, it has now become a “Swiss army knife of keyword research” for SEO experts. seospark offers a variety of keyword inspirations (suggestions, wh-questions, also-asked) including search volume and the possibility of clustering for a fair price. I love it!”
Darius Erdt
dariuserdt.de
“Core for Content Research”
“seospark is easy to use, works fast, and has become an integral part of our content research. With the results, we have a solid foundation for narrowing down topics and creating targeted texts. And the support is top-notch!”
Oliver Schroer
squadt GmbH
“Trusted Keyword Tool”
“We have been using seospark for several years. The tool reliably supports us in keyword research as well as in finding ideas for new content. I really like the new “Ranked Keywords” feature, which now allows us to see the rankings of the competition.”
Jimi Brongers
Kita Medien GmbH
“Longtail Keyword Expert”
“I have been using seospark regularly for years to fill in possible gaps in my keyword analyses: In my opinion, nowhere else do you get so many keyword variations and longtails. Especially in combination with the included search volume, the tool offers valuable, fast analysis options.”
Stefanie Engel
WebHonesty Webagentur
“Uncomplicated and Precise”
“We have been using seospark successfully for many years. The tool is uncomplicated and absolutely precise. We wouldn’t want to miss it from our daily seo and marketing routine. In addition, top support, even on the weekend, if it is necessary.”
Klaus Müller
PureNature Products GmbH
“Valuable and Functional”
“For me seospark is a really valuable tool for keyword research. The price is fair and the functionality is very good for this purpose.”
Soeren Eisenschmidt
eisy.eu
“Effortless Workflow Integration”
“In a short time, I have already integrated the seospark tool into my workflow for creating briefings. Thanks to fast queries and functional CSV export, this tool is a natural choice.”
Banjamin Schardt
“Essential for Every Campaign”
“I use seospark for every keyword research, every content marketing campaign and for the creation of all texts, no matter if it’s for SEO, guide content or blog posts.”
Kai Spriestersbach
SEARCHONE
“I’ve been using seospark since 2018 and for me it’s one of the most reliable tools in the German-speaking market. It supports me in keyword research for SEO, content marketing and Google Ads. It is also very popular in my workshops and lectures at universities and colleges in Austria. Absolutely recommended and definitely a price-performance winner with very good support!”
Florian Hieß
Digital Wings Online Marketing
“Originally started as a simple suggest tool, where you could donate beer to Sebastian to say thank you, it has now become a “Swiss army knife of keyword research” for SEO experts. seospark offers a variety of keyword inspirations (suggestions, wh-questions, also-asked) including search volume and the possibility of clustering for a fair price. I love it!”
Darius Erdt
dariuserdt.de
“seospark is easy to use, works fast, and has become an integral part of our content research. With the results, we have a solid foundation for narrowing down topics and creating targeted texts. And the support is top-notch!”
Oliver Schroer
squadt GmbH
“We have been using seospark for several years. The tool reliably supports us in keyword research as well as in finding ideas for new content. I really like the new “Ranked Keywords” feature, which now allows us to see the rankings of the competition.”
Jimi Brongers
Kita Medien GmbH
“I have been using seospark regularly for years to fill in possible gaps in my keyword analyses: In my opinion, nowhere else do you get so many keyword variations and longtails. Especially in combination with the included search volume, the tool offers valuable, fast analysis options.”
Stefanie Engel
WebHonesty Webagentur
“We have been using seospark successfully for many years. The tool is uncomplicated and absolutely precise. We wouldn’t want to miss it from our daily seo and marketing routine. In addition, top support, even on the weekend, if it is necessary.”
Klaus Müller
PureNature Products GmbH
“For me seospark is a really valuable tool for keyword research. The price is fair and the functionality is very good for this purpose.”
Soeren Eisenschmidt
eisy.eu
“In a short time, I have already integrated the seospark tool into my workflow for creating briefings. Thanks to fast queries and functional CSV export, this tool is a natural choice.”
Banjamin Schardt
“I use seospark for every keyword research, every content marketing campaign and for the creation of all texts, no matter if it’s for SEO, guide content or blog posts.”
Kai Spriestersbach
SEARCHONE
Get started and get going!

Get started with seospark.io today!

Who are we?

About us

We are Sebastian and Maximilian, two brothers from Würzburg, Germany.

With seospark.io, we make SEO and marketing easy: intelligent research, efficient planning and targeted content that inspires your audience – all in one seamless workflow.

You want to contact us?

Sebastian Kraus
Co-Founder
Maximilian Kraus
Co-Founder
Everything you need to know is answered

Frequently asked questions

Simply create an account and schedule an onboarding session with our team. Within 24 hours, you’ll have everything you need to confidently use seospark.io to drive more traffic to your website—no more trial-and-error or feeling lost on your own.

With seospark.io, you can cluster up to 100,000 keywords in a single run, making it ideal for handling even the most extensive projects. Whether you’re working with just 5, 100, or 1,000 keywords, the tool is flexible and adapts to your specific needs, ensuring precise clustering for any project size.

seospark.io uses a powerful combination of SERP overlap clustering and advanced semantic clustering powered by large language models (LLMs) and embeddings. This dual approach ensures that keywords are grouped not only by their search engine result similarities but also by their deeper semantic relationships, providing highly accurate intent-based clusters for your SEO strategy.

Yes, seospark.io makes discovering low-competition long-tail keywords easy. The tool includes powerful filters in its keyword research and gap analysis features, allowing you to identify keywords with low competition by using the competition filter. You can also prioritize terms with high search volume by applying the search volume filter, ensuring you target the most impactful opportunities for your SEO strategy.

seospark.io is designed to manage extensive keyword datasets with ease. Depending on your plan, you can build keyword lists using seospark.io’s internal research tools or import data from external platforms like SEMrush or Ahrefs. Each keyword list can contain up to 100,000 entries, providing ample capacity for even the largest projects. Additionally, keyword lists can be updated to retrieve the latest metrics, ensuring your data stays accurate and relevant.

Yes, seospark.io ensures its data is highly accurate by updating metrics monthly. Additionally, during the clustering process used in content plan creation, live SERP data is utilized to ensure keyword groupings reflect the most current search engine behavior and trends. This combination guarantees both reliability and relevance in your SEO efforts.

Yes, seospark.io supports exporting keyword clusters and content plans. The number of results you can export depends on your subscription plan, with the highest plan allowing unlimited exports. Files can be downloaded in XLSX, CSV, or JSON formats, and all exports are stored for up to one month for your convenience.

Yes, seospark.io supports nearly every language and country worldwide. It also accommodates specific language-country combinations, such as US_ES (Spanish in the United States) or US_EN (English in the United States), ensuring precise targeting for your SEO strategies.

Yes, seospark.io includes a built-in project management feature. All research and analyses are tied to the selected project, making it easy to track and organize your work efficiently. The number of projects you can create depends on your subscription plan.

Yes, seospark.io allows you to invite others to your workspace by adding them via email. They can collaborate seamlessly within your projects, and you can revoke access at any time if needed, such as when someone leaves your team.

Yes, seospark.io offers training sessions via Google Meet, Zoom, or other meeting software to help new users get started and make the most of the tool. These sessions provide personalized guidance tailored to your specific needs.

You’ll receive a detailed onboarding before deciding on a subscription, ensuring you have all the information you need upfront. Therefore, a refund request shouldn’t be necessary.