The 3 Best Keyword Clustering Techniques for Search Engine Optimization

The 3 Best Keyword Clustering Techniques for Search Engine Optimization

Dec 14, 2023 | SEO, Web Development

In the world of search engine optimization (SEO), keyword clustering is a powerful technique that can significantly improve your website’s visibility and rankings in search engine results pages (SERPs). By grouping related keywords together, you can create a more structured and targeted approach to SEO, enabling search engines to better understand and rank your content. In this article, we will explore and explain three effective methods to generate keyword clusters for optimizing search engine rankings.

Warning: This Information about Keyword Clustering Techniques is About to get Really Geeky

I’ve never suggested (nor will I) that all of SEO is easy. Topic Modeling, Co-Occurrence Analysis, and User Intent Analysis happen to be very technical SEO topics. I certainly don’t expect you to just fire up your large language model and start feeding it copious amounts of data. But if you understand how these language models work, you can just think about the information that you’ve gathered and start organizing it and processing it in your brain using a similar strategy. After all, these processes exist because humans thought about these concepts and had to figure out a way to program computers to think more like humans! Your brain provides you with a bit of a competitive advantage here. So as you explore this topic, keep in mind that you want to retain the concepts found in these keyword clustering techniques.

Topic Modeling

Topic modeling is a clustering technique that uses algorithms to analyze and identify the underlying themes or topics within a collection of documents or web pages. By applying this method to your keyword research, you can generate keyword clusters based on the semantic similarity and relevancy of different keywords. Here’s how it works:

  • Start by conducting a comprehensive keyword research using tools like Google Keyword Planner, SEMrush, or Moz Keyword Explorer.
  • Analyze the search volume and competitiveness of each keyword.
  • Identify the main topics or themes that your keywords revolve around. For example, if you’re optimizing a website about hiking gear, your main topics might be “hiking boots,” “backpacks,” “outdoor clothing,” and “camping equipment.”
  • Use topic modeling algorithms such as Latent Dirichlet Allocation (LDA) or Non-negative Matrix Factorization (NMF) to group keywords based on their semantic similarity and topic relevance.
  • Refine your keyword clusters by removing irrelevant or low-volume keywords and focusing on those with higher search volume and competitiveness.

Co-Occurrence Analysis

Co-occurrence analysis is a technique that identifies frequently appearing keywords together in the same document or web page. By analyzing the co-occurrence patterns, you can identify relationships between keywords and create keyword clusters. Here’s how to utilize co-occurrence analysis effectively:

  • Collect a substantial amount of relevant text data, such as blog posts, articles, or web pages, preferably from your own website and from reliable sources in your industry.
  • Preprocess the text data by removing stop words, punctuation, and special characters.
  • Use natural language processing (NLP) techniques to tokenize the text data into individual words or phrases.
  • Note the frequency of keywords appearing together in the same document.
  • Apply clustering algorithms like K-means, DBSCAN, or hierarchical clustering to group the keywords based on their co-occurrence patterns.
  • Evaluate your clusters by removing infrequently used keyword clusters and merging similar clusters.

User Intent Analysis

Understanding user intent is crucial for driving targeted organic traffic to your website. By analyzing user search queries and their intent, you can generate keyword clusters that align with what users are looking for. Here’s how to incorporate user intent analysis into your keyword clustering process:

  • Analyze the search queries related to your website’s niche or industry using tools like Google Search Console, Google Trends, or keyword research tools.
  • Categorize the search queries based on their intent, such as informational (e.g., “how to”), navigational (e.g., “brand name”), transactional (e.g., “buy”), or commercial (e.g., “best”).
  • Group the keywords based on their intent categories to create keyword clusters targeting different stages of the user’s journey.
  • Optimize your website’s content and structure to align with the different user intents identified in each keyword cluster. For example, informational content can be blog posts or guides, while transactional content can be product pages or landing pages.

Putting these Keyword Clustering Techniques into Practice

So you’ve got these keyword clusters in a list or a spreadsheet. What are you supposed to do with them? Begin writing quality content! Create a pillar page for your keyword cluster (like my Comprehensive Guide to Keyword Clustering) with your expert analysis on a topic. This is your gateway into customer education and allows you to establish relevancy within your industry. From there, you might want to generate some lead magnets to uncover prospects for your products or professional services. It really depends on what your business offers and how you are planning to use these website visitors to grow your business.


I hope that this article brings you a little insight into how to do your own SEO with keyword clustering techniques. It’s a valuable technique for optimizing search engine rankings and improving organic visibility. By implementing topic modeling, co-occurrence analysis, and user intent analysis, you can generate keyword clusters that enhance your website’s relevance, structure, and targeting. Remember to regularly monitor and update your keyword clusters to reflect changes in search trends, user behavior, and industry dynamics. With a well-executed keyword clustering strategy, you can boost your website’s SEO performance and attract more organic traffic from search engines.

Additional Sources:

Travis Fisher

Travis is Inacom’s Executive Vice President, tasked with assisting customers with their web based marketing initiatives. He’s kinda famous for his BBQ. He lives in Easton, MD with his amazing wife, two kids, and two dogs.


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