8 Keyword Clustering Tools That Improve Your SEO

As you go much invested successful your SEO goals, you mightiness announcement however overmuch of a headache it tin go to negociate each of the keywords you’re trying to fertile for. Fortunately, you don’t person to bash each of it manually. Keyword clustering tools tin bash the dense lifting for you.

In this article, we’re rounding up the 8 champion keyword clustering tools for semantic keyword grouping. These include:

How we chose the keyword clustering tools successful this list

Here’s however we appraised each keyword grouping software:

With that said, let’s instrumentality a look astatine the pros and cons of each keyword grouping instrumentality successful this list!

Top 8 keyword clustering tools

1. SE Ranking

Hands down, SE Ranking’s Keyword Grouping Tool is the champion keyword clustering instrumentality connected our list. The platform, successful general, offers each sorts of tools and features to assistance you negociate your biggest SEO responsibilities. These see keyword research, contented marketing, backlink tracking, and (you guessed it!) keyword grouping.

The Keyword Grouping Tool is simply a almighty but cost-efficient mode to support your keywords organized and physique web pages that marque Google — and your users — happy.

If you don’t person a database of keywords to cluster, you tin usage SE Ranking’s Keyword Research tool to make them. Just participate your effect keyword and the instrumentality volition travel up with thousands of antithetic keyword ideas, including debased hunt measurement terms, questions, and more. 

Efficient keyword segmentation

SE Ranking automatically buckets your keywords into categories based connected the similarity of their SERP results. So, if definite keywords get akin results successful Google’s apical 10 SERPs, they’ll beryllium enactment into the aforesaid bucket. This makes keyword segmentation a breeze.

Different grouping options

SE Ranking provides respective customization methods for keyword grouping:

• You tin radical by accuracy. This represents the minimum fig of URLs from the SERP that 2 keywords indispensable stock successful bid to beryllium grouped together. The standard of accuracy ranges from 1 to 9. For example, if you acceptable it to 5, your keywords indispensable person 5 identical URLs successful the SERP to beryllium clustered together. A higher accuracy mounting suggests much precise grouping.
• You tin radical by method. The standard goes from brushed to hard. The brushed grouping method means that the tools volition comparison each keywords to the query with the highest hunt volume. Hard grouping compares each keywords with each other. This tin destruct irrelevant keywords but whitethorn effect successful fewer, much niche groups.
• You tin radical by miscellaneous methods. Cluster your keywords by country, language, and/or determination differences.

Availability of hunt volume

SE Ranking’s Keyword Grouping Tool besides makes it casual to stitchery different important keyword information. For instance, you tin opt to person the hunt measurement displayed for each queries.

Alternatively, you tin cheque hunt measurement utilizing SE Ranking’s Keyword Research Tool. Search measurement information is updated regularly and is ungrouped adjacent for akin hunt queries.

Other features

The tool’s diagnostic acceptable doesn’t extremity with hunt volume. For instance, you tin get deeper insights into the SERP results by accessing a database of keywords highlighted successful the snippets of Google’s apical 10 results for each hunt query. This diagnostic is wholly unsocial to SE Ranking.

High-quality idiosyncratic interface

Whether you’re an agency, brand, oregon solopreneur, SE Ranking’s learning curve is arsenic affable arsenic it comes. Customize respective options to your liking and swiftly navigate its easy-to-use interface. All features, reporting oregon otherwise, tin beryllium fine-tuned to beryllium arsenic elemental oregon arsenic analyzable arsenic you’d like.

Pricing

SE Ranking has 3 main pricing plans:

• Essential: $55/mo, the astir basal plan.
• Pro: astatine $109/mo, the astir fashionable choice.
• Business: $239/mo, includes further precocious features and higher information limits.

Keep successful caput that you tin get a 20% discount connected immoderate program you take if you opt to wage annually. Not lone that, each of SE Ranking’s plans springiness you the flexibility to standard your features and information arsenic your needs grow.

SE Ranking’s Keyword Clustering instrumentality is lone disposable to users with paid subscriptions and costs $0.004 per query. Checking the hunt measurement for 1 query costs $0.005.

Pros and cons

SE Ranking is… 

• Cost-efficient and has flexible pricing options.
• Packed with each indispensable SEO tools, not conscionable a azygous Keyword Grouper.
• Intuitive to usage and navigate.
• Accurate successful information and reduces errors successful keyword clustering.

But…

• To entree its Keyword Grouper, you indispensable archetypal bargain a subscription. Nonetheless, the prices are affordable.

The verdict

SE Ranking is 1 of the champion SEO tools connected the market. Keyword grouping makes up lone a tiny fraction of its robust toolset. The full level is cost-efficient and volition greatly trim your workload portion providing a nominal boost to your rankings and traffic.

2. Keyword Insights

Keyword Insights uses the powerfulness of AI to assistance you make thousands of keyword ideas, make caller contented (or optimize existing content), and emergence to the apical of the SERP. And yes, keyword clustering is simply a large portion of this process!

Efficient keyword segmentation

The instrumentality lets you radical keywords into clusters and leverage AI, either to make caller contented oregon to optimize existing content astir your keywords. Keyword Insights uses 10 unrecorded hunt results to observe the fig of URLs that the specified keywords person successful common. It past groups these keywords according to their rankings successful the SERP.

The instrumentality besides helps you place contented gaps and tin find if cannibalization is happening anyplace connected your website. This helps you make contented that looks great, is beautifully optimized, and contains nary keyword stuffing errors.

Different grouping options

Keyword Insights uses live, country-specific information for each query. It allows you to visualize your information successful respective antithetic ways. It volition besides springiness you an thought of however to interruption down keywords into abstracted sub-topics/pages successful bid to summation your site’s chances of ranking well.

The instrumentality applies 2 clustering algorithms:

• The Centroid Clustering Algorithm: This groups keywords astir the word with the highest hunt volume. 
• The Agglomerative Clustering Algorithm: This compares each keywords with each other.

Both algorithms let you to specify the fig of shared URLs.

Availability of hunt volume

The instrumentality uses hunt measurement and a instrumentality learning (ML) exemplary to prime the keywords with the astir articles successful Google SERPs. This makes it adjacent easier to place which keywords to vie for.

User interface quality

Keyword Insights leaves country for customization: You tin set the URL overlap and the benignant of clustering algorithm it’s using. It’s besides imaginable to acceptable the strictness level of the earthy connection processing (NLP) erstwhile forming topical clump recommendations.

Pricing

You tin springiness the four-day proceedings a spell for $1. After that, determination are 3 subscription plans: Basic, Professional, and Premium plans, priced astatine $58, $145, and $299 per month, respectively. This translates to $4.83, $4.00, and $2.99 for 1,000 keywords, respectively. You tin besides wage arsenic you go, which costs $7.99 for 1,000 credits.

Pros and cons

Keyword insights is…

• All-inclusive and thorough.
• Customizable.

But…

• The outgo tin adhd up quickly.
• The cheaper plans mightiness beryllium excessively restrictive.

The verdict

This is simply a precise extended instrumentality that goes good beyond keyword reporting, but tools that effort to bash everything tend to autumn short. This instrumentality mightiness beryllium a jack of each trades but it’s a maestro of none. And depending connected however galore keywords you request to analyze, it mightiness not beryllium the astir cost-effective solution either. One astute archetypal measurement is to get a unsmooth thought of the measurement of your keywords and what you need. For instance, the Basic program offers lone 1 idiosyncratic spot and nary squad sharing oregon reporting functionalities.

3. Keyword Cupid

Keyword Cupid uses neural web models to reverse technologist everything happening connected Google. It does this live, removing the guesswork truthful you tin marque data-driven decisions.

Efficient keyword segmentation

When you enactment immoderate of your desired keywords into Keyword Cupid, it spits retired some topical clusters and related keywords that you tin make pillar contented around. This helps you make siloed contented and travel up with perchance thousands of taxable ideas successful 1 go.

Different grouping options

The instrumentality makes segmentation beauteous simple. All you request to bash is supply a database of keywords and abstracted them by commas. For instance, you tin conception by hunt engine. Just usage a representation to corroborate the determination you’re looking at. Keyword Cupid volition past scrape each SERPs applicable to that location. Additionally, you tin people SERPs from mobile, desktop, and tablet devices.

Availability of hunt volume

Its reporting diagnostic displays not lone the hunt measurement for each keyword but besides the mean difficulty, CPC, contented length, meta keywords, H1s-H3s, links, images, and more.

User interface quality

The tool’s interactive caput representation that comes with keyword results is besides a truly bully touch. However, the full idiosyncratic interface is simply a tad clunky and a spot outdated. The reporting, portion informative, is besides somewhat barebones.

Pricing

Plans scope from $9.99 a period to $499.99 a month. While the Starter program is beauteous affordable, its diagnostic acceptable is limited. For example, it doesn’t see geotargeting. You besides lone get 2,000 keywords per report. If you’re an SEO pro who needs much features, you’ll request the adjacent program up, which is astir $50 per month.

Fortunately, Keyword Cupid ne'er locks you into its subscriptions, and they volition prorate you based connected your usage.

Pros and cons

Keyword Cupid is…

• Beginner-friendly.
• Flexible with pricing.

But…

• It doesn’t connection overmuch successful presumption of features and reporting.
• You mightiness request to put much wealth to get what you need.

The verdict

This is 1 of champion the keyword grouping tools due to the fact that it’s simpler and a large spot to start, particularly if you’re caller to keyword probe and SEO. However, if you’re looking for thing much almighty oregon diagnostic rich, you should astir apt spell with 1 of the archetypal 2 choices connected this list.

4. SEO Scout

SEO Scout analyzes your site’s content, makes betterment suggestions, and guides you arsenic you make caller content. It uses your hunt console information and its ain SEO crawler to find retired what is and isn’t moving for you. SEO Scout mightiness beryllium the best escaped keyword clustering tool for you if you’re looking for an casual start.

SEO Scout besides offers paid plans.

Efficient keyword segmentation

SEO Scout begins by grouping akin keywords. This helps you get a wide knowing of the topics and subtopics that your readers attraction astir and are searching for. It besides groups them by pulling FAQs from the “People besides ask” feature, arsenic good arsenic from Google Suggest. 

This makes it easier to place short-tail keywords to make pillar contented around, and long-tail keywords to make clump contented around.

Different grouping options

This is 1 country wherever SEO Scout falls short. You tin lone take to radical keywords by language, which means there’s a large void successful presumption of keyword enactment by device, hunt engine, geographical region, and different parameters.

Availability of hunt volume

We tested the escaped mentation of SEO Scout… and it didn’t adjacent work. However, aft a small research, we learned that it only groups keywords, and that’s all. If you upgrade to the platform’s paid version, it looks similar you’ll get much data.

User interface quality

There’s not overmuch to this instrumentality (which tin beryllium a bully oregon atrocious thing), but it is precise idiosyncratic friendly. 
One happening we similar astir it is that you tin easy exclude specific presumption oregon topics from clusters.

Pricing

SEO Scout doesn’t person a inexpensive paid program available. It’s subscription packages scope from $49 to $199 a month. The bully quality is that keyword grouping is simply a diagnostic that comes with each of these plans.

Keep successful caput that the cheaper plans person their limits. For example, the Starter program allows you to way lone 3 sites. This means that if you’re an agency, expect to wage for a bigger plan.

Pros and cons

SEO Scout is…

• Good for newbies.
• Free (with precise constricted features).

But…

• The escaped program doesn’t spell precise far.
• The paid plans aren’t precisely cheap.

The verdict

If you privation a escaped tool, SEO Scout is simply a bully spot to start, particularly for keyword grouping. However, you volition apt find (sooner alternatively than later) that the escaped instrumentality has its limitations and upgrading becomes necessary. In that case, you’ll request to adhd a small much country to your budget. SEO Scout isn’t the cheapest connected this database by a agelong shot.

5. ContentDistribution

ContentDistribution offers processes, systems, and templates to assistance you standard your contented velocity in-house. So, it goes beyond SEO and looks much holistically astatine however you make content. ClusterAI from ContentDistribution claims that it tin trim clip spent doing keyword probe by 90%.

Efficient keyword segmentation

This SEO instrumentality imports your keyword database (up to 25,000 words) manually. ClusterAI examines the archetypal leafage results for each keyword. When it finds astatine slightest 3 pages ranking for a peculiar radical of keywords, it volition bucket them together. 

So, if you’re trying to fertile for a short-tail pillar keyword, ClusterAI tin drum up thousands of imaginable ideas for clump contented and assistance you fertile for it.

Different grouping options

ClusterAI doesn’t look to connection immoderate grouping options.

Availability of hunt volume

When you export results with ClusterAI, it gives you the monthly hunt volume, on with variations of the main keyword. You would past incorporate these into the leafage that focuses connected that main keyword.

User interface quality

The UI isn’t overmuch of a caput turner. After creating an account, this is what the dashboard looks like.

Uploading lone 63 keywords took respective minutes. The advancement barroom was besides stuck astatine 97% for rather immoderate time. The tract isn’t precise intuitive, and determination besides aren’t galore features and integrations connected it either. 

Price

You tin effort the instrumentality for escaped for up to 200 credits (one recognition equates to 1 keyword). After that, determination are six options, ranging from $39.00 a period (for 1,000 keywords) to $699.00 a period (for 100,000 keywords). We did the mathematics here, and it appears that the much keywords you privation to research, the little it costs per keyword.

Also, the fig of disposable keywords appears to beryllium the lone quality betwixt each six plans.

Pros and cons

ClusterAI is…

• Concise.
• Beginner-friendly.

But…

• Its worth for wealth isn’t great.
• Don’t expect a ton of data!

The verdict

Where ClusterAI excels is simplicity. If you privation thing straightforward and don’t request a ton of information astatine your disposal, this is simply a bully option. However, what you get (especially considering however overmuch you’re paying for it) could autumn abbreviated of your needs.

6. Thruuu

With thruuu, you tin spell from uploading a database of keywords to creating SEO briefs successful nary time. It automatically groups your keywords based connected their hunt intent, analyzes information from top-ranking pages, and uses insights from these clusters to make ready-to-use SEO briefs.

Efficient keyword segmentation

After you upload your database of keywords to the platform, Thruuu volition usage information from Google to automatically radical keywords unneurotic based connected their hunt intent.

Different grouping options

Similar to the different tools connected this list, you tin radical keywords by geographic location, hunt engine, language, and instrumentality (desktop vs mobile).

Availability of hunt volume

Get a broad presumption of the information astir your keywords and clusters, including hunt volume, the connection number of ranking pages, and the representation count.

User interface quality

Thruuu has a sleek and elemental (but reasonably detailed) UI, helping you to support the contented instauration process cleanable and straightforward. It’s casual to navigate betwixt rival information, questions from the “People besides ask” diagnostic successful Google, and different options. The instrumentality besides makes it casual to make pages for some pillar and clump content.

Price

You tin instrumentality it for a trial thrust with 500 escaped credits. It besides comes with a escaped mentation that offers 10 one-time credits (keyword clustering is part of that). The purchasable plans scope from $19 a period to $99 a month. By paying extra, you tin get much SERP analyses, contented briefs, and keyword clusters.

Pros and cons

Thruuu is…

• Good for beginners.
• Mostly affordable.

But…

• It’s features and information are mediocre.

The verdict

Thruuu is precise middle-of-the-road. You get what you request astatine a decent price, but not overmuch more. The UI is beginner-friendly, and you’ll get immoderate beauteous utile insights. It’s not the astir blase tool, but it’ll get the occupation done.

7. Surfer

Surfer has turned SEO into a game, and with the assistance of its Keyword Research Tool, keyword clustering is not lone manageable but fun.

Efficient keyword segmentation

Surfer uses your superior keywords to physique retired clump topics. This immunodeficiency successful the instauration of applicable and related content, which volition assistance you fertile for competitory keywords and bring successful plentifulness of integrated traffic.

What’s neat is that if your superior keyword is excessively broad, Surfer volition automatically make respective taxable clusters.

Different grouping options

You tin radical results by intent (i.e. section keywords, lawsuit investigations, accusation terms, and shopping-related terms). You tin besides take the state and language.

Availability of hunt volume

Each clump contains a tiny fig of applicable people keywords adjacent to their predicted monthly hunt volume, keyword difficulty, and projected full traffic. Additionally, you tin sift done your keywords based connected hunt measurement ranges.

User interface quality

Surfer’s idiosyncratic interface is intuitive, engaging, and interactive. Even if you’re caller to SEO and keyword research, this level makes it casual to find your mode around.

One of the drawbacks of Surfer is that determination are nary important customization options. What you spot is what you get! 

Price

Here’s the atrocious news: Surfer isn’t cheap. The Start program begins astatine $59. It does see keyword probe (100 searches per day), but you’ll person to upgrade if you’re looking for a much broad SEO tool. However, adjacent if you take a broader subscription plan, the keyword probe limits stay the same. The adjacent 2 plans are $129 a period and $219 a month, respectively. There’s besides an Enterprise plan, but you’ll request to interaction the income squad to get a customized quote.

Pros and cons

Surfer is…

• Data-driven and packed with adjuvant insights.
• Fun to use!

But…

• It is expensive. This is 1 of the biggest complaints.
• Customizations are lacking.

The verdict

Surfer is gaining traction arsenic 1 of the apical players successful the SEO industry. But adjacent though it astir surely is simply a almighty and user-friendly tool, beryllium prepared to wage an limb and a limb for it (with nary entree to customizations).

8. Zenbrief

Zenbrief creates contented briefs that marque it easier to constitute contented that entreaty to some users and hunt engines. It besides has an exertion that lets you make optimized contented and audit existing content.

Zenbrief’s keyword clustering instrumentality is escaped and casual to use. It alllows you to either upload a substance record containing your keywords oregon adhd them manually.

Efficient keyword segmentation

Here is an illustration involving 58 manually added keywords. Notice however the instrumentality clustered them semantically.

This is what the results look like:

Now, ideate doing this aft pulling hundreds oregon thousands of keywords from your go-to SEO/keyword proposition tool. ZenBrief tin intelligibly instrumentality overmuch of the dense lifting disconnected your plate.

Different grouping options

ZenBrief doesn’t look to person immoderate grouping options available.

Availability of hunt volume

Even aft downloading the results, determination is nary hunt measurement (or different metrics) displayed.

This suggests that, anterior to entering your keywords successful ZenBrief, you’ll person to find this accusation separately oregon get it from your preferred SEO tool.

User interface quality

This tool’s idiosyncratic interface is beauteous barebones. The lone happening you tin take is the minimum and maximum size of the cluster.

Price

This instrumentality is free!

Pros and cons

ZenBrief’s clustering instrumentality is…

• Great for beginners.
• Free.

But…

• It won’t instrumentality you precise far.
• You’ll yet request to usage different instrumentality successful summation to, oregon alternatively of, this one.

The verdict

If you’re successful a unreserved to get started with keyword clustering, ZenBrief’s escaped keyword clustering instrumentality mightiness work. There’s nary obstruction to introduction and it does a large occupation astatine organizing larges volumes of keywords. But due to the fact that of its deficiency of features, customizations, and metrics, ZenBrief won’t get you precise acold successful your SEO journey. 

Wrapping up

So, which instrumentality should you choose? The prime is yours! It each depends connected your needs, budget, and your level of SEO expertise. If you’re caller to SEO, starting with a escaped instrumentality mightiness beryllium your champion bet. But if you’re a much seasoned SEO nonrecreational who values ratio and accuracy, we urge SE Ranking.

Considering these assorted platforms based connected the criteria above, SE Ranking emerges arsenic the champion keyword grouper tool, excelling successful some worth and performance. It tin clump thousands of keywords successful a flash and signifier your taxable ideas into cohesive and applicable pillars. It besides lone charges you for the services you use.