1. Introduction to Keyword Clustering
2. The Evolution of Keyword Optimization
3. Understanding the Basics of Keyword Clustering
4. How Keyword Clustering Enhances Content Relevance?
5. The Role of AI and Machine Learning in Keyword Clustering
6. A Strategy for Improved User Experience
7. Integrating Keyword Clusters into Your SEO Plan
8. Measuring the Impact of Keyword Clustering on Page Ranking
Keyword clustering represents a pivotal shift in the way SEO professionals approach on-page optimization. Traditionally, keywords have been treated as individual units, each optimized in isolation. However, this method overlooks the nuanced way in which search engines understand and rank content. Search engines, particularly those utilizing advanced algorithms like Google's BERT, are increasingly adept at discerning the contextual relationships between words and phrases. This is where keyword clustering comes into play. By grouping semantically related keywords and optimizing pages for these clusters, rather than single keywords, SEO experts can create more thematically coherent and contextually relevant content. This not only aligns with search engines' evolving capabilities but also caters to user intent more effectively, often resulting in improved search visibility and user engagement.
From the perspective of search engines, keyword clustering is beneficial because it helps them quickly identify the main topics of a webpage, thus making it easier to match queries with relevant content. For users, clustered content often translates to more comprehensive and informative pages that address a range of related queries. For website owners and content creators, the practice can lead to more robust and resilient SEO strategies that are less susceptible to fluctuations in individual keyword rankings.
Here are some in-depth insights into keyword clustering:
1. Semantic Relationships: At the heart of keyword clustering is the understanding of semantic relationships. For example, if you're optimizing a page for "best coffee machines," including related terms like "espresso makers," "coffee brewing equipment," and "top-rated coffee appliances" can form a strong cluster that signals to search engines the page's comprehensive coverage of the topic.
2. User Intent: Different users may use different search terms to find the same information. Keyword clusters cater to this by encompassing a range of terms that reflect various user intents. For instance, "buy coffee machine," "coffee machine reviews," and "affordable coffee makers" might all be part of a cluster targeting users at different stages of the purchase funnel.
3. Content Depth and Quality: Clustering encourages the creation of more in-depth content. A page that targets a cluster of keywords will naturally cover a topic more thoroughly than a page targeting a single keyword. This can lead to higher quality content that serves users' needs better and is favored by search engines.
4. Improved Crawl Efficiency: For search engines, clustering can make crawling more efficient. When a site's content is organized into clear thematic clusters, it's easier for search engine bots to crawl and index the site, understanding the site's structure and content focus.
5. Competitive Edge: In competitive niches, clustering can provide an edge. By targeting a group of related keywords, you can capture traffic from a variety of search terms, some of which may be less competitive but still highly relevant.
6. Adaptability to Algorithm Changes: Search algorithms are constantly evolving. A site optimized for keyword clusters is generally better positioned to adapt to changes because it doesn't rely on the performance of a single keyword.
To illustrate the concept with an example, consider a website selling natural skincare products. A keyword cluster for this site might include terms like "organic skincare," "natural face creams," "eco-friendly skin products," and "botanical skincare solutions." By optimizing for this cluster, the site can attract a broad audience interested in various aspects of natural skincare, rather than just one specific product or term.
Keyword clustering is not just a tactic but a strategic approach that aligns with the sophisticated nature of modern search engines and the complex journey of today's search users. It's an approach that demands a deeper understanding of language, user behavior, and the technical workings of search engines, but the potential rewards in terms of SEO performance are significant.
Introduction to Keyword Clustering - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
The journey of keyword optimization has been a fascinating one, marked by continuous adaptation and innovation as search engines evolve. Initially, the focus was on single keywords, often leading to a practice known as "keyword stuffing," where content creators would cram as many keywords as possible into their web pages, hoping to rank higher in search engine results. However, this approach often resulted in poor user experience and irrelevant content. As search engines became more sophisticated, they started penalizing such practices, leading to the rise of "keyword density" as a more refined approach, balancing keyword presence with content quality.
Over time, the shift moved towards long-tail keywords and user intent. This change recognized that users were not just typing in one or two words but were asking full questions or expressing specific needs. Content creators began to optimize for these longer, more conversational phrases, aligning their content more closely with user intent. The introduction of semantic search technology further refined this process, as search engines could now understand the context and relationships between words, rather than just the words themselves.
The latest evolution in keyword optimization is the concept of keyword clustering. This approach groups related keywords together, optimizing a single page for a cluster of keywords rather than just one. This strategy acknowledges that users may use a variety of terms and phrases to search for the same topic, and by addressing a cluster, a page can rank for a broader range of search queries.
Let's delve deeper into the benefits of keyword clustering in on-page SEO:
1. Enhanced Relevance: By targeting a group of related keywords, content can cover a topic more comprehensively, increasing its relevance to a wider array of search queries. For example, a page optimized for the cluster "organic coffee beans" might also include related terms like "best organic coffee," "natural coffee beans," and "eco-friendly coffee brands."
2. improved User experience: Keyword clusters allow for more natural, engaging content that flows better and provides more value to the reader. Instead of repeating the same keyword, the content can explore different aspects of the topic, making it more informative and enjoyable to read.
3. Increased Authority: Search engines view pages that thoroughly cover a topic as more authoritative, which can lead to higher rankings. A well-optimized page for a keyword cluster demonstrates expertise and can become a go-to resource for users.
4. Better Adaptation to Voice Search: With the rise of voice search, users are speaking in full sentences or questions. Keyword clusters align well with this trend, as they encompass a range of conversational phrases that users might employ.
5. Protection Against Algorithm Changes: Search engines frequently update their algorithms. A page optimized for a keyword cluster is less likely to be negatively impacted by these changes, as it doesn't rely on a single keyword for its traffic.
6. Competitive Edge: Many competitors may still be focusing on single keywords. By adopting keyword clustering, a website can gain an edge by capturing traffic across a spectrum of related searches.
The evolution of keyword optimization reflects the ongoing changes in user behavior and search engine algorithms. From the rudimentary days of keyword stuffing to the sophisticated approach of keyword clustering, the goal has always been to connect users with the most relevant, high-quality content. As search technology continues to advance, so too will the strategies for optimizing content, ensuring that the most useful information is readily accessible to those who seek it.
The Evolution of Keyword Optimization - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
Keyword clustering represents a pivotal evolution in SEO strategies, moving beyond the traditional practice of optimizing individual keywords. This approach involves grouping related keywords into clusters to create a more organized and targeted SEO plan. By understanding the semantic relationships between keywords, SEO professionals can craft content that addresses a broader range of search queries, enhancing the relevance and authority of a website in the eyes of search engines.
From the perspective of search engine algorithms, keyword clustering is advantageous because it aligns with their goal of understanding user intent. Search engines strive to deliver the most relevant results, and a page optimized for a cluster of related keywords is likely to be more comprehensive and informative. For instance, a cluster around "running shoes" might include "best running shoes," "running shoes for flat feet," and "durable running shoes." Optimizing for this cluster ensures that whether a user is looking for the best options, shoes for a specific condition, or long-lasting footwear, the content is likely to meet their needs.
From a user experience standpoint, keyword clustering contributes to a more intuitive site structure, making it easier for visitors to find the information they're seeking. This can lead to increased engagement, longer session durations, and a higher likelihood of conversion.
Here's an in-depth look at the process and benefits of keyword clustering:
1. Data Collection: The first step is gathering a comprehensive list of keywords relevant to your content. Tools like google Keyword planner or SEMrush can provide a wealth of data on search volume, competition, and related terms.
2. Cluster Formation: Once you have your list, the next step is to group keywords by relevance and intent. Keywords that share similar meanings or are variations of a core idea should be grouped together.
3. content Strategy development: With your clusters defined, you can create content that targets multiple keywords within a cluster. This not only improves SEO but also provides a richer content experience for users.
4. technical SEO enhancement: Keyword clusters can inform site architecture, URL structure, and internal linking strategies, all of which are crucial for SEO.
5. Performance Tracking: After implementing keyword clusters in your content, monitor your site's performance. tools like Google analytics can help track changes in traffic, engagement, and rankings.
For example, if you're optimizing for a cluster related to "organic coffee beans," your content might cover topics like "best organic coffee beans," "benefits of organic coffee," and "organic coffee bean brands." This approach ensures that whether users are looking for product recommendations, health-related information, or brand comparisons, they will find comprehensive coverage on your site.
keyword clustering is a sophisticated technique that, when executed correctly, can significantly boost a website's SEO performance. It allows for a more strategic approach to content creation, aligns with search engine algorithms' focus on user intent, and ultimately leads to a better user experience. As the digital landscape becomes increasingly competitive, adopting such advanced SEO practices is not just beneficial but necessary for staying ahead.
Understanding the Basics of Keyword Clustering - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
In the realm of on-page SEO, keyword clustering is a sophisticated strategy that goes beyond the traditional practice of targeting individual keywords. This approach involves grouping related keywords together to create a more organized and thematically consistent content strategy. By doing so, it enhances content relevance, which is a critical factor in search engine algorithms. Content relevance refers to how well a webpage's content aligns with the search intent of a user's query. When content is deemed highly relevant, it is more likely to rank well in search engine results pages (SERPs), leading to increased visibility and traffic.
From an SEO specialist's perspective, keyword clustering is akin to creating a map of related concepts and terms that reflect the myriad ways users might search for information on a topic. For example, a cluster around the topic of "vegan recipes" might include keywords like "easy vegan meals," "plant-based recipes," "vegan dinner ideas," and "dairy-free cooking." This clustering not only captures a wider range of user searches but also signals to search engines the comprehensive nature of the content's coverage of the topic.
Here are some in-depth insights into how keyword clustering can enhance content relevance:
1. Improves Topic Authority: By covering a topic extensively through related keywords, a website can establish itself as an authority on that subject. This is because search engines recognize the breadth and depth of content that thoroughly addresses a user's search intent.
2. Increases User Engagement: When users find content that matches their search intent due to effective keyword clustering, they are more likely to engage with the content. This can lead to longer session durations and lower bounce rates, which are positive signals to search engines.
3. Enables Contextual Understanding: Search engines are increasingly adept at understanding context. Keyword clusters help algorithms grasp the context of content, improving the chances of a match with related queries.
4. Facilitates Content Planning: Keyword clustering aids in content planning by identifying gaps in content coverage. This ensures that all aspects of a topic are addressed, making the content more comprehensive.
5. Supports Semantic Search: As search engines evolve to focus more on semantic search, which is the ability to understand the nuances and variations in user queries, keyword clustering becomes even more important. It aligns with the way search engines are trying to interpret user intent.
To illustrate, let's consider a website focused on digital marketing. A keyword cluster around "email marketing" might include "email campaign strategies," "improving open rates," "email automation tools," and "newsletter design tips." By clustering these keywords, the website can create content that addresses various aspects of email marketing, making it highly relevant to anyone searching within that topic area.
Keyword clustering is not just about improving SEO metrics; it's about creating a better user experience by delivering content that users find valuable and relevant. It's a strategic approach that requires careful planning and execution but can yield significant benefits in terms of both search engine rankings and user satisfaction.
How Keyword Clustering Enhances Content Relevance - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
In the realm of on-page SEO, keyword clustering has emerged as a transformative strategy, and the integration of AI and machine learning has only amplified its effectiveness. These technologies have revolutionized the way we approach keyword analysis, enabling a more nuanced and sophisticated understanding of search intent. By leveraging data-driven insights, AI and machine learning algorithms can group keywords into clusters based on semantic similarity, search context, and user behavior patterns. This not only enhances the relevance of content to various search queries but also aligns with search engines' evolving algorithms, which prioritize topic authority and content quality over keyword density.
From an SEO specialist's perspective, AI-driven keyword clustering is a game-changer. It allows for the creation of content that is both user and search engine friendly, improving the chances of ranking higher for a group of related keywords. For content creators, this means a shift from a single keyword focus to a more holistic approach, where content is developed to address a cluster of interrelated terms and topics.
Let's delve deeper into how AI and machine learning contribute to keyword clustering:
1. Semantic Analysis: AI algorithms perform deep semantic analysis to understand the context and nuances of language used in search queries. This helps in identifying keywords that are topically related but may not share the same lexicon. For example, "digital marketing strategies" and "online advertising tactics" could be clustered together despite the different wording.
2. Search Intent Prediction: Machine learning models are trained on vast datasets to predict search intent. They can distinguish between informational, navigational, and transactional queries, allowing for more targeted keyword grouping. For instance, keywords related to "buying guide for laptops" would be clustered differently from "laptop repair tips."
3. user Behavior analysis: By analyzing click-through rates, bounce rates, and other user engagement metrics, AI can determine the relevance and effectiveness of keyword clusters. This feedback loop continually refines the clustering process.
4. Competitive Analysis: AI tools can scan competitors' content to identify keyword gaps and opportunities. This competitive intelligence can inform the creation of clusters that capitalize on less saturated niches.
5. Content Optimization: Once clusters are formed, AI can assist in optimizing content for those clusters, suggesting headings, subtopics, and related keywords that should be included to enhance topical authority.
6. Performance Tracking: Post-implementation, AI can track the performance of keyword clusters, providing insights into which clusters are driving traffic and conversions, and which may need refinement.
By incorporating AI and machine learning into keyword clustering, businesses can create more relevant, authoritative content that resonates with both users and search engines. As these technologies continue to evolve, we can expect even more sophisticated approaches to on-page SEO that will further blur the lines between human creativity and machine efficiency.
The Role of AI and Machine Learning in Keyword Clustering - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
In the realm of on-page SEO, keyword clustering has emerged as a transformative strategy that not only enhances the user experience but also fortifies the relevance of content in the eyes of search engines. This technique involves grouping similar or related keywords together to create a more organized and thematic approach to content creation. By doing so, webmasters can ensure that their content comprehensively covers a topic, thereby increasing the likelihood of ranking for a cluster of related terms rather than a single keyword. This holistic approach aligns with the sophisticated algorithms of modern search engines that favor topic authority over isolated keyword density.
From the perspective of a website visitor, keyword clustering presents information in a more logical and digestible format. When content addresses a range of related queries, it reduces the need for users to bounce back to search results to find answers to related questions. This not only improves the user experience but also signals to search engines that the content is valuable, which can positively impact search rankings.
1. Thematic Relevance: By clustering keywords, you create a network of semantically related terms that reinforce the theme of your content. For example, a cluster around "organic gardening" might include "composting tips," "non-toxic pest control," and "heirloom seed sources." This approach helps search engines understand the context and depth of your content, potentially boosting your visibility for each term within the cluster.
2. user Intent matching: Different users may use different terms to search for the same information. Keyword clustering allows you to cater to these variations in user intent. For instance, one user might search for "best running shoes," while another types in "high-performance sneakers." A well-clustered page will address both queries, satisfying a broader audience.
3. Content Depth and Quality: Search engines favor content that provides comprehensive coverage of a topic. Clustering encourages the creation of in-depth content that explores various facets of a subject. Take the example of a blog post about "healthy eating." A clustered approach might lead to subtopics such as "balanced diets," "nutrient-rich foods," and "meal planning for wellness," each enriched with related keywords.
4. Improved Navigation and Internal Linking: Keyword clusters can guide the internal linking structure of a website, making it more intuitive. If you have separate pages for "yoga exercises," "yoga benefits," and "yoga mats," clustering these topics can help create a seamless navigational experience for users exploring the broader subject of yoga.
5. Increased Engagement and Lower Bounce Rates: When users find comprehensive answers to their queries within a single cluster of content, they are more likely to engage with the material and explore related topics. This can lead to longer session durations and lower bounce rates, which are positive signals to search engines.
6. Adaptability to Voice Search and Long-Tail Queries: As voice search becomes more prevalent, keyword clustering is increasingly important. Voice searches often involve long-tail queries or complete sentences. A clustered content strategy is well-suited to address these types of searches naturally.
Keyword clustering is not just a technical SEO tactic; it's a user-centric approach that aligns with the evolving landscape of search behaviors. It requires a deep understanding of your audience, a strategic approach to content creation, and a commitment to providing value at every turn. By embracing keyword clustering, you can create a richer, more engaging online experience that satisfies both users and search engines alike.
A Strategy for Improved User Experience - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
Integrating keyword clusters into your SEO plan is a sophisticated approach that can significantly enhance the relevance and authority of your website in search engine results. Unlike traditional keyword optimization, which often focuses on single keywords, keyword clustering involves grouping related keywords together to target a broader range of search queries while maintaining a strong focus on the topic. This method aligns with search engines' evolving algorithms, which increasingly prioritize topic relevance and user intent over exact keyword matches. By adopting keyword clusters, you can create content that naturally covers a spectrum of related terms, improving your chances of ranking for a variety of searches related to your primary topic.
From an SEO specialist's perspective, keyword clusters allow for a more organized and strategic approach to content creation. Instead of creating multiple pages for each variation of a keyword, a single, comprehensive page can address an entire cluster, reducing content redundancy and improving site architecture.
Content creators, on the other hand, appreciate the flexibility that keyword clusters provide. They can write more naturally and conversationally, knowing that the inclusion of related terms will support their SEO goals without compromising the quality of the content.
Users benefit from keyword clusters as well. When search engines serve them pages that address a range of related queries, they're more likely to find the comprehensive answers they're seeking without having to perform multiple searches.
Here's how you can integrate keyword clusters into your SEO plan:
1. Keyword Research: Begin by identifying a broad topic relevant to your business. Use SEO tools to gather a list of keywords related to this topic, including long-tail keywords and questions that potential customers might ask.
2. Cluster Formation: Group the keywords based on similarity in meaning or searcher intent. Each cluster should focus on a specific subtopic or question.
3. Content Development: Create content that addresses the entire cluster. For example, if you have a cluster around "organic coffee brewing methods," your content should cover various methods, tips, and comparisons.
4. On-Page Optimization: Ensure that your content includes the primary keywords from your cluster in the title, headings, and throughout the body. However, the usage should be natural and contextually appropriate.
5. Internal Linking: Link between pages on your site that address related clusters to build topical authority and help search engines understand the structure of your content.
6. Performance Tracking: Monitor your rankings for the keywords within each cluster. Use this data to refine your clusters and content over time.
For instance, a website selling eco-friendly products might have a cluster around "biodegradable packaging." The content could explore types of biodegradable materials, benefits for the environment, and comparisons with traditional packaging options. By covering these related topics comprehensively, the website can attract a wider audience searching for various aspects of biodegradable packaging.
In summary, keyword clustering is a powerful technique that can improve your SEO performance by aligning with search engines' focus on topic relevance and user intent. It requires careful planning and execution but can lead to more robust content strategies and better search engine visibility.
Integrating Keyword Clusters into Your SEO Plan - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
Keyword clustering represents a strategic approach in seo where related keywords are grouped together to optimize a single page. This method not only enhances the relevance of content for search engines but also improves user experience by providing comprehensive information on a topic. The impact of keyword clustering on page ranking is significant, as search engines like Google are increasingly favoring pages that offer rich, detailed, and relevant content. By targeting a cluster of related keywords, a page can rank for a variety of terms, increasing its visibility and traffic.
From an SEO specialist's perspective, keyword clustering is a game-changer. It allows for the creation of more focused and relevant content, which search engines reward with higher rankings. The logic is simple: when a page effectively answers multiple related queries, it's deemed more valuable.
Content creators, on the other hand, find keyword clustering beneficial as it guides them to cover a topic more thoroughly. This often leads to longer, more informative content, which can improve dwell time—a metric that indirectly affects page ranking.
Users benefit from keyword clustering because it leads to content that addresses their needs more comprehensively. When a page ranks for a cluster of keywords, it's more likely to answer the user's question in full, reducing the need to click through multiple pages.
Here's an in-depth look at how keyword clustering impacts page ranking:
1. Enhanced Content Relevance: By targeting a group of related keywords, the content becomes more relevant to the topic. For example, a page about 'healthy eating' might include clusters for 'nutritious recipes', 'diet plans', and 'health benefits of vegetables'. This relevance signals to search engines that the page is a valuable resource, potentially boosting its ranking.
2. improved User engagement: Pages with content that covers a topic comprehensively tend to keep users engaged for longer. If a user searches for 'SEO tips' and finds a page that also discusses 'SEO tools', 'SEO strategies', and 'SEO trends', they're likely to stay on the page longer, which search engines interpret as a sign of quality.
3. Increased Page Authority: Keyword clusters can increase the authority of a page on a given subject. For instance, a page that clusters keywords related to 'sustainable energy' will be seen as more authoritative on that topic than a page with a single, isolated keyword.
4. Better Semantic Understanding: Search engines use semantic analysis to understand the context of content. Keyword clustering helps with this by providing multiple related terms that reinforce the topic of the page. This can lead to better understanding and higher rankings.
5. Diversified Traffic Sources: With keyword clustering, a page isn't reliant on a single keyword for traffic. It can attract visitors from a range of related searches, which diversifies traffic sources and reduces the risk associated with ranking for just one keyword.
6. Reduced Keyword Cannibalization: When multiple pages target the same keyword, they can compete with each other, a problem known as keyword cannibalization. Clustering avoids this by ensuring that each page targets a unique set of related keywords.
Keyword clustering is a powerful technique that can significantly impact page ranking. It aligns with the way modern search engines operate and meets the needs of users looking for comprehensive information. As search algorithms continue to evolve, strategies like keyword clustering will become even more crucial for SEO success.
Measuring the Impact of Keyword Clustering on Page Ranking - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
As we delve deeper into the realm of on-page SEO, the significance of keyword clustering becomes increasingly apparent. This technique, which involves grouping related keywords together to target multiple search queries within a single piece of content, is evolving rapidly. The future of keyword clustering is poised to be shaped by advancements in machine learning algorithms, changes in search engine behaviors, and the ever-increasing competition for online visibility.
From the perspective of SEO professionals, the trajectory is clear: there's a shift towards more sophisticated and semantic approaches to keyword clustering. This means moving beyond simple keyword variations and towards understanding the intent behind searches. For instance, clustering keywords not just by lexical similarity but by the user's underlying goal when typing a query into a search engine.
Let's explore some of the future trends in keyword clustering for seo:
1. Semantic Clustering: As search engines become better at understanding natural language, SEO strategies will need to focus on semantic relationships between keywords. This involves grouping keywords by meaning rather than just shared words. For example, "best running shoes" and "top sneakers for jogging" might be clustered together because they share the same user intent, even though the keywords are different.
2. User Intent Prediction: machine learning models will play a crucial role in predicting user intent, allowing for more dynamic keyword clusters. This could mean creating clusters that adapt to trends or seasonal changes in user behavior.
3. voice Search optimization: With the rise of voice search, keyword clusters will need to accommodate more conversational phrases. This is because voice searches tend to be longer and more natural-sounding than typed queries.
4. Cluster-Based Content Personalization: Websites might begin to personalize content based on the keyword cluster a visitor's search falls into. If someone searches for "healthy dinner recipes," they might be presented with a personalized set of articles or products related to healthy cooking.
5. Integration with Other Data Sources: Keyword clusters could be enriched with data from social media trends, customer feedback, and other external data sources to create more accurate and targeted content.
6. Automated Cluster Refinement: Tools that automatically refine and update keyword clusters will become more prevalent, saving SEO experts time and providing more up-to-date targeting.
7. Cluster Influence on Site Architecture: The way websites are structured might increasingly reflect keyword clusters, with site navigation and hierarchy being designed to align with clustered content strategies.
8. Cross-Channel Clustering: Keyword clusters will not be limited to just on-page content but will extend across various channels, including social media, email marketing, and PPC campaigns, for a unified SEO approach.
9. predictive Analytics for cluster Performance: Advanced analytics will help predict the performance of certain keyword clusters, allowing marketers to adjust their strategies proactively.
10. Ethical Clustering: As privacy concerns grow, there will be a trend towards ethical clustering practices that respect user data and comply with regulations like GDPR.
By embracing these trends, SEO practitioners can ensure that their keyword clustering strategies remain effective and competitive in the ever-evolving digital landscape. Example: A travel blog might use semantic clustering to group together keywords like "budget travel tips," "affordable vacation destinations," and "cheap travel hacks," recognizing that they all cater to the budget-conscious traveler, despite the different phrasing of each query.
Future Trends in Keyword Clustering for SEO - On page optimization: Keyword Clustering: The Benefits of Keyword Clustering in On Page SEO
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