7 Best Keyword Clustering Tools to Improve Topical Authority in 2024

Are you trying to improve your Google rankings? A great strategy involves using the best keyword clustering tools.

There are also free keyword grouping tools available that can help users organize and cluster related keywords.

Google gets over 3.5 billion searches every day, and many of these searches are unique

With Google emphasizing topical authority more than ever, effective keyword clustering can significantly enhance your site’s visibility.

But how exactly does it work?

Keyword clustering is not just about gathering loads of keywords together but strategically grouping them into different clusters that allow you to cover all aspects of a topic deeply.

This will help shape your content plan and help your readers find you while building your site as an authority in your niche.

Keep reading and I’ll show you some top keyword tips and the best keyword clustering tools that can help you easily create clusters for you in no time and build your topical authority in 2024 and beyond.

What Are The Best Keyword Clustering Tools?

Now, let’s talk about the best keyword clustering tools. I’ve tried many, and while some were misses, I’ve found others that stand out.

This video from Surfer SEO, (one of the tools we will be taking a look at today) is a useful look into what to expect when you use a keyword clustering tool and the benefits too.

Tools like these are great at grouping keywords into keyword clusters, using a seed keyword to organize your content.

Here are my top picks:

1. Keyword Insights

Keyword Insights is one of my go-to tools for the best keyword clustering. It stands out because it uses topical modeling with Natural Language Processing (NLP) to help you spot semantic relationships between keyword clusters.

This advanced feature helps you to create content more effectively by understanding the context and relevance of keywords in relation to each other.

This will make your content comprehensive and highly relevant to your targeted audience, helping to boost you up the rankings in search engines.

Using closely related keywords, Keyword Insights provides the depth needed to create a content plan that hits all the necessary areas of your chosen topic. Additionally, this tool helps in forming a comprehensive keyword cluster for better content planning.

Overall, Keyword Insights is ideal for anyone looking to master keyword clustering fast.

Key Benefits:

• Group keywords together in your content to cover more ground on search engines.

• Get practical insights and content guides that make writing simpler and faster.

• Easily spot where your content could use a boost to keep up with the competition.

• Adjust the settings and methods to fit exactly what you need for your projects.

• With NLP and topical modeling, your content will be on-point and detailed, hitting right where your audience needs it.

2. Surfer SEO

Surfer SEO is a keyword research tool I use every day to research my keywords and also optimize and shape my content.

This fantastic tool does all the heavy lifting, eliminating the guesswork from planning and executing my content strategy.

Why is it so effective? Surfer SEO excels at clustering keywords into keyword groups, using real-time SERP data, and doing thorough cluster analysis.

What sets Surfer SEO apart is its ability to quickly identify relevant topic clusters, thanks to its advanced machine learning capabilities.

This helps me to understand search intent and organize my content to meet the reader’s needs.

With Surfer, you also get the latest metrics on search volume and keyword difficulty, making it easier to create content that’s not only comprehensive but also highly likely to rank well.

Surfer SEO is more than worth checking out, it’s one of the best keyword clustering tools on the market and does so much more besides keyword research to content creation.

You won’t need much else if you have Surfer in your back pocket.

Key Benefits

Here are some standout features of Surfer SEO that can enhance your SEO and content strategy:

• Offers NLP-ready keywords and smart internal link suggestions.

• Write and optimize content in various languages.

• Streamline your content planning and distribution effectively.

• Generate content plans and catchy headlines swiftly.

• Works seamlessly with Jasper, Google Docs, and WordPress.

• Easily find relevant topic clusters and group keywords.

• Integrates with Semrush and Google Search Console for detailed growth analysis.

• Includes a built-in tool to check content originality and plagiarism.

3. SERanking

SE Ranking is a complete SEO tool that packs just about everything you need in one place.

I’ve dipped into SE Ranking before, and it’s full of useful features. The standout for me is the keyword clustering tool although they call it the SE Ranking keyword grouper.

SE Ranking also offers free keyword grouping features that help users organize and cluster related keywords without relying on search volume data.

This tool groups keywords based on what people search for, helping streamline the entire SEO process, especially with long tail keywords.

SE Ranking also offers a rank tracker that keeps an eye on your keyword rankings across various search engines, not just Google.

It also has a website audit feature to spot and fix site issues, a competitor analysis tool to see what others are up to, and a backlink checker that helps you monitor your links.

Plus, it provides detailed SEO reports and suggestions for improving your content, all while showing you the search volume so you know which keywords are most popular.

If you’re looking to simplify your SEO tasks and get a clearer picture of how to enhance your site, SE Ranking has the wide set of tools you need.

It’s worth investing in for anyone serious about boosting their SEO game.

Key Benefits

• Tracks keyword performance for better SEO.

• Fixes site issues to boost rankings.

• Analyzes competitors for strategic insights.

• Manages backlinks for effective link-building.

• Optimizes web pages for search engines.

• Helps create and enhance content.

• Manages local business listings.

• Finds relevant keywords with detailed insights.

• Group keywords for better content planning.

• Generates SEO reports.

• Captures visitor leads.

• Customize the platform with your branding.

• Integrates with Google tools, Zapier, and offers API access.

4. Writer Zen

Writer Zen is an all-in-one SEO tool that has caught my eye recently. It’s popular in the SEO space, mainly because it offers so many features at a low starting price.

One of the things I love about Writer Zen is how well it works as a keyword clustering tool.

The Keyword Planner can cluster up to 20,000 keywords, providing a clear clustering report that helps me group keywords based on intent, buying journey, SERP type, and brand dynamics. Writer Zen also offers a free keyword grouping tool that utilizes different approaches to cluster related keywords into groups.

This feature makes it easy to plan content that fits what people are searching for. The tool also gives insights into the search engine results pages (SERPs), which helps in targeting the right keywords.

Another standout feature is the Topic Discovery tool, which helps find engaging content ideas and clusters topics from a single keyword. This is perfect for planning months of content.

The Keyword Explorer uses Google’s database to simplify keyword research with filters like Golden Filter and Forecast.

Writer Zen also has a Content Creator driven by AI, which helps generate outlines and even auto-generate content, including a plagiarism checker to ensure originality.

For team projects, the Team Function makes managing content and collaboration easy.

Overall, Writer Zen is a great tool to start with, thanks to its low price and practical features.

Key Benefits:

• Clusters up to 20,000 keywords with detailed reports.

• Provides keyword insights based on intent and SERP type.

• Identifies and clusters engaging content ideas.

• Simplifies keyword research with advanced filters.

• AI-driven content creation and plagiarism checking.

• Manages team projects and collaboration efficiently.

• Integrates with Google Analytics, Google Search Console, and Google Ads.

• Affordable pricing options make it accessible for beginners.

5. Ahrefs

Ahrefs is a brilliant SEO tool that I’ve used a lot in the past. It’s an all-in-one SEO solution, though it is primarily known for its keyword research capabilities.

It’s a premium tool, meaning it’s quite expensive, but it offers an extensive package of SEO tools that do beat out many of its competitors

If you can share a subscription with a friend or do all your research for a few months and then cancel, it becomes more realistic.

As a keyword clustering tool, Ahrefs excels.

The Keywords Explorer lets you research individual keywords across multiple search engines, showing you search volume, keyword difficulty, and traffic potential.

It also helps in grouping keywords based on search intent and other advanced filters, which is essential for detailed keyword strategies.

The Site Explorer is another fantastic feature that analyzes backlinks, organic search traffic, and competitor strategies.

It provides top pages and content gap analysis, which is crucial for finding secondary keywords and optimizing your content.

Ahrefs also includes a Rank Tracker to monitor your keyword rankings over time and track competitors’ performance.

The Content Explorer helps discover top-performing content and analyze social shares and backlinks. Additionally, the Site Audit feature conducts thorough SEO audits to keep your site healthy.

Key Benefits

• Researches keywords with detailed metrics like search volume, keyword difficulty, and traffic potential.

• Groups keywords by search intent and advanced filters for better content planning.

• Analyzes backlinks and organic traffic to spot opportunities and competitor strategies.

• Identifies missing keywords and topics to cover, including secondary keywords.

• Monitors your and your competitors’ keyword rankings over time.

• Finds top-performing content and analyzes its success factors.

• Performs comprehensive SEO audits and generates detailed reports.

• Connects with Google Data Studio and Looker Studio for enhanced data analysis.

Ahrefs is an incredible tool that can significantly boost your SEO efforts, making it well worth the investment if you can manage the cost.

6. SEO Wind

I recently started giving SEO Wind a try and i‘m already liking what I’m seeing

It’s particularly effective for keyword research and clustering those keywords together with the help of AI-driven tools, which helps tremendously with organizing content around key themes to improve SEO performance.

What stands out is the AI Article Writer, which not only crafts content tailored to your brand’s voice but also smartly clusters keyword clusters, making sure your articles are optimized for both user intent and search engines.

The SEO Content Brief Generator complements this by creating detailed content briefs after a thorough analysis of competitors and top SERPs.

It integrates seamlessly with the AI writer, ensuring that the content not only matches the intended tone but also addresses critical questions and includes relevant statistics and quotes.

The Internal Links Plugin automates the entire internal linking process, improving your site navigation and giving another welcome boost to your SEO.

It’s straightforward enough for SEO beginners yet powerful enough for seasoned pros and is a great tool for you to check out.

Particularly with its AI-driven capabilities, SEO Wind is proving to be a valuable asset for creating well-organized and strategically optimized content.

Key Benefits

• AI Article Writer quickly creates brand-right content with key keywords.

• Analyzes competitors and top searches to auto-generate detailed content plans.

• Internal Links Plugin simplifies site navigation and boosts SEO.

• Efficiently groups keywords to organize content and enhance SEO.

• Content Checker reviews text for originality, avoiding plagiarism.

• SEO Reporting Tool provides easy-to-understand performance updates.

7. KeyClusters

Ever felt lost in the complex world of SEO? Key Clusters might just be your model of simplicity.

This SEO tool shines in keyword clustering by using real-time Google SERP data, giving you accurate and useful clustered keyword insights.

It’s designed to help you avoid keyword cannibalization through its intelligent topic clusters, making sure you’re targeting keywords efficiently without competing against your pages.

What I find handy about Key Clusters is its flexibility in handling data coming from various sources.

Whether you’re bringing in keyword lists from Ahrefs, SEMrush, or custom files, this tool integrates them seamlessly.

The ability to produce clusters that share three or more common ranking pages offers precise keyword grouping software capabilities, tailored to modern SEO strategies.

Moreover, Key Clusters delivers its results with impressive speed, often in just a few minutes, and provides SERP data that’s localized to specific geographies and devices.

This is especially useful for businesses targeting specific markets.

The pay-as-you-go pricing model is a standout feature, offering credits that never expire.

This means you can use the service as needed without the pressure of ongoing subscriptions, making it an excellent choice for anyone cautious about over-investing in pricier tools.

Whether you’re a freelancer or running an agency, Key Clusters gives you a scalable solution to meet your SEO needs without breaking the bank.

Key Benefits

• Avoids keyword cannibalization with smart topic clusters.

• Pay-as-you-go pricing, no monthly commitment needed.

• Provides quick keyword clusters in minutes.

• Offers localized data for specific areas and devices.

• Supports files from Ahrefs, SEMrush, and custom uploads.

• Simplifies the keyword clustering process for all users.

Why Should You Cluster Keywords Together?

Once I figured out how to cluster keywords, it shifted how I tackle SEO. A while back, I’d just grab any keyword that seemed good and whip up some content around it.

That kind of approach just doesn’t cut it anymore. Search engines have moved on from individual keywords to focusing more on entire topics.

That means your content needs to be grouped with similar topics to make an impact.

The keyword clustering process helps you gather keyword variations and organize them into a keyword list that supports each other, which structures your content better.

This setup helps you cover a topic more thoroughly, instead of just hitting random points.

It makes your site more like a go-to resource on specific topics, which can boost your visibility in search results.

Plus, it feels great to see your content working together like a well-cooked meal, where every piece complements the other perfectly.

Here are the main reasons why you should group keywords:

Reasons to Cluster Keywords	Explanation
Covers Topics Better	Grouping related keywords helps cover a topic more thoroughly, making your site a trusted resource.
Helps You Rank Higher	Search engines see clustered content as more relevant, which can improve your rankings.
More Visitors	Organized content guides users to related pages, increasing their time on your site.
Easier Content Planning	Keyword clusters provide a clear plan for what content to create next, ensuring it all connects.
Keeps Readers Interested	Well-structured topics make it easier for readers to find and engage with related content.

Grouping keywords is a smart way to make your website work better and keep visitors coming back.

What Is A Topical Map?

A topical map is like a blueprint that shows search engines what your content is about and its context.

It helps show that you have topical authority in a specific subject.

At first, I found this concept tricky, but tools like Ahrefs and Surfer SEO made it easier for me.

These keyword grouping tools help create a clear map of related topics and keywords. This setup is crucial for improving your site’s key ranking factors.

A well-made topical map organizes your content so that it covers all angles of a topic, making it clear to search engines that you are an authority on the subject.

When I started using these tools, I noticed a big difference in how my content performed.

My pages started ranking higher because search engines could see that my site offered comprehensive and authoritative information on specific topics.

It’s a smart way to structure your site for better visibility, and usefulness to the reader and will improve your rankings in the long run.

Final Thoughts

In this article, we explored various keyword clustering tools that can help you organize your content and improve your SEO.

Tools like Ahrefs, Surfer SEO, and Key Clusters are excellent for grouping relevant keywords and making sure your content covers all the necessary topics.

Creating a topical map with these tools can boost your site’s authority and ranking.

Using these tools has made a big difference in my content planning.

Instead of guessing which keywords to use, I now have a clear strategy that helps me create more effective and engaging content.

If you’re serious about improving your SEO, I highly recommend giving these tools a try.

Don’t forget to check out my other articles on keyword research for more tips and insights.

By staying informed and using the right tools, you can take your SEO efforts to the next level. Happy clustering!