The Advanced Guide to Keyword Clustering

Posted by tomcasano

If your goal is to grow your organic traffic, you have to think about SEO in terms of “product/market fit.”

Keyword research is the “market” (what users are actually searching for) and content is the “product” (what users are consuming). The “fit” is optimization.

To grow your organic traffic, you need your content to mirror the reality of what users are actually searching for. Your content planning and creation, keyword mapping, and optimization should all align with the market. This is one of the best ways to grow your organic traffic.

Why bother with keyword grouping?

One web page can rank for multiple keywords. So why aren’t we hyper-focused on planning and optimizing content that targets dozens of similar and related keywords?

Why target only one keyword with one piece of content when you can target 20?

The impact of keyword clustering to acquire more organic traffic is not only underrated, it is largely ignored. In this guide, I'll share with you our proprietary process we’ve pioneered for keyword grouping so you can not only do it yourself, but you can maximize the number of keywords your amazing content can rank for.

Here’s a real-world example of a handful of the top keywords that this piece of content is ranking for. The full list is over 1,000 keywords.

Let’s dive in!

Part 1: Keyword collection

Before we start grouping keywords into clusters, we first need our dataset of keywords from which to group from.

In essence, our job in this initial phase is to find every possible keyword. In the process of doing so, we'll also be inadvertently getting many irrelevant keywords (thank you, Keyword Planner). However, it's better to have many relevant and long-tail keywords (and the ability to filter out the irrelevant ones) than to only have a limited pool of keywords to target.

For any client project, I typically say that we'll collect anywhere from 1,000 to 6,000 keywords. But truth be told, we've sometimes found 10,000+ keywords, and sometimes (in the instance of a local, niche client), we've found less than 1,000.

I recommend collecting keywords from about 8–12 different sources. These sources are:

1. Your competitors
2. Third-party data tools (Moz, Ahrefs, SEMrush, AnswerThePublic, etc.)
3. Your existing data in Google Search Console/Google Analytics
4. Brainstorming your own ideas and checking against them
5. Mashing up keyword combinations
6. Autocomplete suggestions and “Searches related to” from Google

There's no shortage of sources for keyword collection, and more keyword research tools exist now than ever did before. Our goal here is to be so extensive that we never have to go back and “find more keywords” in the future — unless, of course, there's a new topic we are targeting.

The prequel to this guide will expand upon keyword collection in depth. For now, let’s assume that you’ve spent a few hours collecting a long list of keywords, you have removed the duplicates, and you have semi-reliable search volume data.

Part 2: Term analysis

Now that you have an unmanageable list of 1,000+ keywords, let’s turn it into something useful.

We begin with term analysis. What the heck does that mean?

We break each keyword apart into its component terms that comprise the keyword, so we can see which terms are the most frequently occurring.

For example, the keyword: “best natural protein powder” is comprised of 4 terms: “best,” “natural,” “protein,” and “powder.” Once we break apart all of the keywords into their component parts, we can more readily analyze and understand which terms (as subcomponents of the keywords) are recurring the most in our keyword dataset.

Here’s a sampling of 3 keywords:

• best natural protein powder
• most powerful natural anti inflammatory
• how to make natural deodorant

Take a closer look, and you’ll notice that the term “natural” occurs in all three of these keywords. If this term is occurring very frequently throughout our long list of keywords, it’ll be highly important when we start grouping our keywords.

You will need a word frequency counter to give you this insight. The ultimate free tool for this is Write Words’ Word Frequency Counter. It’s magical.

Paste in your list of keywords, click submit, and you'll get something like this:

When you look at this now, you can already see patterns start to emerge and you're already beginning to understand your searchers better.

In this example dataset, we are going from a list of 10k+ keywords to an analysis of terms and phrases to understand what people are really asking. For example, “what is the best” and “where can i buy” are phrases we can absolutely understand searchers using.

I mark off the important terms or phrases. I try to keep this number to under 50 and to a maximum of around 75; otherwise, grouping will get hairy in Part 5.

Part 3: Hot words

What are hot words?

Hot words are the terms or phrases from that last section that we have deemed to be the most important. We've explained hot words in greater depth here.

Why are hot words important?

We explain:

This exercise provides us with a handful of the most relevant and important terms and phrases for traffic and relevancy, which can then be used to create the best content strategies — content that will rank highly and, in turn, help us reap traffic rewards for your site.

When developing your hot words list, we identify the highest frequency and most relevant terms from a large range of keywords used by several of your highest-performing competitors to generate their traffic, and these become “hot words.”

When working with a client (or doing this for yourself), there are generally 3 questions we want answered for each hot word:

1. Which of these terms are the most important for your business? (0–10)
2. Which of these terms are negative keywords (we want to ignore or avoid)?
3. Any other feedback about qualified or high-intent keywords?

We narrow down the list, removing any negative keywords or keywords that are not really important for the website.

Once we have our final list of hot words, we organize them into broad topic groups like this:

List your keywords in the first column.

Now, use “Find and replace” to remove all of the NOs.

Part 5: Keyword grouping

At this point, you're now set up for keyword clustering success.

This part is half art, half science. No wait, I take that back. To do this part right, you need:

• A deep understanding of who you're targeting, why they're important to the business, user intent, and relevance
• Good judgment to make tradeoffs when breaking keywords apart into groups
• Good intuition

This is one of the hardest parts for me to train anyone to do. It comes with experience.

At the top of the sheet, I use the COUNTA function to show me how many times this word step has been found in our keyword set:

=COUNTA(C3:C10000)

This is important because as a general rule, it's best to start with the most niche topics that have the least overlap with other topics. If you start too broadly, your keywords will overlap with other keyword groups and you'll have a hard time segmenting them into meaningful groups. Start with the most narrow and specific groups first.

To begin, you want to sort the sheet by word stem.

The word stems that occur only a handful of times won’t have a large amount of overlap. So I start by sorting the sheet by that column, and copying and pasting those keywords into their own new tab.

Now you have your first keyword group!

Here's a first group example: the “matcha” group. This can be its own project in its own right: for instance, if a website was all about matcha tea and there were other tangentially related keywords.

We want to not only consider search volume, but ideally also intent, competitiveness, and so forth.

Voilà!

You've successfully taken a list of thousands of keywords and grouped them into relevant keyword groups.

Wait, why did we do all of this hard work again?

Now you can finally attain that “product/market fit” we talked about. It’s magical.

You can take each keyword group and create a piece of optimized content around it, targeting dozens of keywords, exponentially raising your potential to acquire more organic traffic. Boo yah!

All done. Now what?

Now the real fun begins. You can start planning out new content that you never knew you needed to create. Alternatively, you can map your keyword groups (and subgroups) to existing pages on your website and add in keywords and optimizations to the header tags, body text, and so forth for all those long-tail keywords you had ignored.

Keyword grouping is underrated, overlooked, and ignored at large. It creates a massive new opportunity to optimize for terms where none existed. Sometimes it's just adding one phrase or a few sentences targeting a long-tail keyword here and there that will bring in that incremental search traffic for your site. Do this dozens of times and you will keep getting incremental increases in your organic traffic.

What do you think?

Leave a comment below and let me know your take on keyword clustering.

Need a hand? Just give me a shout, I’m happy to help.

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