Keyword Research: 5 Semrush Tactics for 2026

Listen to this article · 13 min listen

Mastering the art of keyword research is not merely an academic exercise; it’s the bedrock of any successful digital marketing strategy. For too long, businesses have treated it as a secondary task, a box to tick, rather than the strategic imperative it truly is. I’ve seen firsthand how showcasing specific tactics like keyword research can transform struggling campaigns into powerhouses, driving organic traffic and real revenue. But how do you move beyond the basics and truly unearth those golden opportunities your competitors are missing?

Key Takeaways

  • Prioritize long-tail, low-competition keywords with commercial intent using Semrush‘s Keyword Magic Tool and filtering for a Keyword Difficulty (KD) score under 30.
  • Analyze competitor keyword gaps using Semrush’s Keyword Gap tool to identify at least 50 high-volume terms they rank for, but you don’t.
  • Utilize Google Search Console to identify existing underperforming content that can be refreshed and re-optimized for new keyword opportunities.
  • Map chosen keywords to specific stages of the buyer’s journey to ensure content addresses user intent effectively and drives conversions.
  • Implement a structured content plan based on keyword clusters, ensuring comprehensive topical coverage and improved search engine authority.

1. Unearthing Long-Tail Gems with Commercial Intent

The biggest mistake I see marketers make is chasing after high-volume, head terms. Everyone wants to rank for “best shoes,” but the competition is fierce, and the intent is often vague. My philosophy is simple: go for the jugular with specific, commercially-oriented long-tail keywords that indicate a user is closer to making a purchase. This is where the real money is made.

Here’s how we do it. First, open up Semrush. Navigate to the Keyword Magic Tool. Type in a broad seed keyword related to your product or service – let’s say, “organic coffee beans.”

Next, we apply several critical filters. Set the Volume filter to a minimum of 100 searches per month. While some might argue for higher, I find that terms with even 100 searches, if they convert well, are worth pursuing. Crucially, set the Keyword Difficulty (KD) to “Very Easy” or “Easy” – typically anything below 30. This ensures we’re targeting terms we actually have a chance of ranking for without a massive budget.

Then, and this is key, use the “Include Keywords” filter to add words indicative of commercial intent. Think “buy,” “price,” “review,” “discount,” “best,” “for sale,” “delivery,” “compare.” For our “organic coffee beans” example, I might include “buy organic coffee beans online,” “best organic coffee subscriptions,” or “fair trade organic coffee beans review.”

Screenshot Description: A screenshot of Semrush’s Keyword Magic Tool interface, showing the “organic coffee beans” seed keyword entered, the Volume filter set to >100, the KD filter set to 0-30, and the “Include Keywords” filter containing “buy,” “best,” “review,” “price.” The resulting table displays long-tail keywords like “buy organic coffee beans whole foods,” “best organic coffee beans for espresso,” and “organic coffee bean subscription box,” along with their respective volumes and KD scores.

Pro Tip: Don’t just look at the raw volume. Pay close attention to the SERP Features column in Semrush. If you see a lot of “Shopping Ads,” “Reviews,” or “People Also Ask” boxes, it often signals strong commercial intent and an opportunity to capture varied traffic types.

Common Mistake: Ignoring keyword intent. Ranking for a high-volume informational keyword when your goal is to sell a product is a waste of resources. Always ask yourself: “What is the user trying to achieve by searching this term?”

2. Analyzing Competitor Keyword Gaps with Precision

One of the fastest ways to identify untapped keyword opportunities is to see what your competitors are ranking for that you aren’t. This isn’t about copying; it’s about strategic insight. I once had a client, “Atlanta Pet Supplies,” who was struggling to break into the local market. By analyzing their competitors, we uncovered a goldmine of local long-tail terms they completely missed.

In Semrush, head to the Keyword Gap tool. Enter your domain and then add 2-3 of your top organic competitors. For “Atlanta Pet Supplies,” I’d plug in their domain, then local competitors like “Piedmont Pet Provisions” and “Buckhead Barkery.”

Set the intersection to “Unique to first competitor,” or “Unique to second competitor,” and then cycle through each competitor. This shows you keywords where they rank, but you don’t. Filter these results by Keyword Difficulty (KD) again, aiming for terms under 50 initially. Then, sort by Volume, descending.

We’re looking for clusters of keywords that a competitor ranks well for, indicating their content strategy is working for those specific topics. If “Piedmont Pet Provisions” ranks for “best dog food for sensitive stomachs Atlanta” and “hypoallergenic dog treats Buckhead,” that tells me there’s a local demand my client isn’t meeting.

Screenshot Description: A screenshot of Semrush’s Keyword Gap tool. The user’s domain is entered, along with two competitor domains. The intersection filter is set to “Unique to first competitor.” The results table shows keywords like “dog grooming services Midtown Atlanta,” “cat boarding near me Atlanta,” and “premium pet food delivery Georgia,” along with their search volumes and KD scores, where the competitor ranks but the user’s domain does not.

Pro Tip: Don’t just look at direct competitors. Also analyze adjacent businesses or even content creators in your niche. They might be ranking for informational keywords that you can then use to funnel traffic towards your commercial offerings. For instance, a local dog trainer might rank for “how to stop puppy biting,” which you could use as a blog topic, then link to your “durable chew toys for puppies” product page.

Common Mistake: Only looking at the first page of competitor keywords. Dig deeper. Sometimes the best opportunities are on pages 2-5, where you can still outrank them with superior content without battling for the top spot immediately.

3. Leveraging Google Search Console for Hidden Opportunities

This is where many businesses drop the ball, and it’s a shame because it’s free, first-party data. Your Google Search Console (GSC) account is a goldmine for understanding how users are already finding you – and where you’re just missing the mark. I always tell my team, GSC is your secret weapon for finding low-hanging fruit.

Log into GSC and navigate to the Performance report. Set the date range to “Last 12 months” to get a comprehensive view. Click on the “Queries” tab. Now, here’s the trick: filter by “Average position” greater than 10, and then sort by “Impressions” in descending order.

What you’re seeing are keywords for which your site gets a lot of impressions (meaning Google thinks you’re relevant) but ranks on the second page or beyond. These are perfect candidates for optimization. You’re already somewhat visible; a little push can significantly improve your ranking and click-through rate.

Identify queries that have high impressions but low clicks. These indicate content that’s almost there but needs a boost. For example, if you see “best dog food for senior dogs Atlanta” with 500 impressions but only 5 clicks, that page needs attention. Go to the associated page (click on the query, then the “Pages” tab) and see how you can refresh it: add more detail, update statistics, include new images, or even add a video. Crucially, ensure the keyword is naturally integrated into headings, subheadings, and the body text.

Screenshot Description: A screenshot of Google Search Console’s Performance Report, showing the “Queries” tab selected. Filters are applied: “Average position > 10” and results are sorted by “Impressions” descending. The table displays queries like “local dog parks Atlanta,” “organic pet food brands,” and “how to train a puppy not to bite,” with high impressions but average positions between 11 and 30.

Pro Tip: Look for queries with “average position” between 8 and 15. These are often the easiest to push onto the first page with minor content improvements. A study by Statista in 2023 showed that the average click-through rate for the 1st position on Google is around 28%, dropping sharply to less than 2% by the 10th position. Moving from position 12 to position 7 can literally double or triple your traffic for that keyword.

Common Mistake: Over-optimizing. Don’t stuff keywords. Google’s algorithms are smart. Focus on natural language and providing genuine value. The keyword should feel like a natural part of the conversation, not an awkward insertion.

4. Mapping Keywords to the Buyer’s Journey

Understanding user intent isn’t just about commercial vs. informational; it’s about where the user is in their decision-making process. This is a critical step that differentiates strategic keyword research from mere list-making. We segment keywords into different stages: Awareness, Consideration, and Decision.

  • Awareness: These are broad, problem-focused keywords. “How to stop my dog from barking,” “signs of dog anxiety.” Content here should be blog posts, guides, or informational articles.
  • Consideration: Users are exploring solutions. “Best dog training collars,” “dog anxiety supplements review,” “comparison of organic dog food brands.” Content includes comparison articles, product reviews, detailed guides, and case studies.
  • Decision: Users are ready to buy. “Buy XYZ brand dog food,” “XYZ dog training collar discount,” “local Atlanta dog trainer rates.” Content here is product pages, service pages, pricing pages, and landing pages with clear calls to action.

When I work with clients, we create a spreadsheet. Each tab represents a stage of the buyer’s journey. We then populate these tabs with the relevant keywords identified in steps 1-3. This visual organization ensures we have content for every stage, guiding potential customers seamlessly from problem identification to purchase.

For instance, for “Atlanta Pet Supplies,” an Awareness keyword might be “how to choose pet insurance Georgia.” A Consideration keyword could be “best pet insurance providers Atlanta review.” And a Decision keyword would be “get a quote pet insurance Atlanta.” Each requires a different type of content, but they all lead to the same goal.

Pro Tip: Don’t forget about local intent. For many businesses, especially service-based ones or brick-and-mortar stores, adding geo-modifiers like “Atlanta,” “Buckhead,” or “near me” is non-negotiable. This drastically refines intent and reduces competition. A report by HubSpot in 2025 indicated that 78% of local mobile searches result in an offline purchase.

Common Mistake: Creating content for only one stage of the buyer’s journey. If you only have product pages (Decision stage), you’re missing out on a huge audience that’s just starting their research. Conversely, if you only have blog posts (Awareness stage) without clear paths to conversion, you’re just generating traffic, not revenue.

5. Structuring Content Around Keyword Clusters for Topical Authority

Gone are the days of creating one page per keyword. Google now rewards sites that demonstrate comprehensive topical authority. This means organizing your content into “clusters,” where a central “pillar page” covers a broad topic, and multiple “cluster content” pieces delve into specific sub-topics, all interlinked. This is how you really build domain authority and signal to search engines that you are the expert in your niche.

Let’s revisit “organic coffee beans.” Your pillar page might be “The Ultimate Guide to Organic Coffee Beans.” This page would cover everything at a high level: what they are, benefits, different types, brewing methods, etc. Then, your cluster content would be specific articles like:

  • “Fair Trade Organic Coffee: What You Need to Know”
  • “Best Organic Coffee Beans for Espresso Machines”
  • “Understanding Roasts: Light vs. Dark Organic Coffee”
  • “Where to Buy Sustainable Organic Coffee Online”

Each cluster content piece would link back to the main pillar page, and the pillar page would link out to relevant cluster content. This internal linking structure is crucial. It tells Google that your site is a rich resource on the topic, improving the ranking potential of all related pages.

I find Surfer SEO invaluable for this. Once you have your pillar topic and potential cluster keywords, you can run an audit in Surfer SEO for your pillar page. It will suggest related terms, questions, and content structure elements that other top-ranking pages use. This helps ensure your pillar page is truly comprehensive.

Screenshot Description: A visual representation of a content cluster model. A central node labeled “The Ultimate Guide to Organic Coffee Beans” is surrounded by smaller nodes labeled “Fair Trade Organic Coffee,” “Best Organic Coffee for Espresso,” “Light vs. Dark Roasts,” and “Sustainable Coffee Online.” Arrows demonstrate bidirectional internal linking between the pillar and cluster content.

Pro Tip: Don’t just link; use descriptive anchor text. Instead of “click here,” use phrases like “learn more about fair trade organic coffee” when linking to your cluster content. This provides more context to search engines and users alike.

Common Mistake: Orphaned content. Every piece of content you create should be part of a larger strategy and linked within your site. Content that stands alone without internal links won’t pass authority and will struggle to rank.

By diligently applying these strategies, especially showcasing specific tactics like keyword research, we consistently see clients achieve higher rankings, increased organic traffic, and ultimately, a healthier bottom line. It’s about working smarter, not just harder, and truly understanding the intent behind every search query. Your audience is out there, searching; it’s your job to meet them where they are.

How frequently should I conduct keyword research?

Keyword research isn’t a one-and-done task. I recommend a comprehensive audit annually, with quarterly check-ins for new trends, competitor shifts, and seasonal opportunities. Technologies and user behaviors evolve rapidly, so staying current is non-negotiable. For instance, new product launches or industry news can create entirely new keyword opportunities overnight.

What’s the difference between short-tail and long-tail keywords?

Short-tail keywords are typically 1-2 words, very broad, and have high search volume but often vague intent (e.g., “coffee”). Long-tail keywords are 3+ words, much more specific, have lower search volume individually, but collectively drive highly qualified traffic due to their clear intent (e.g., “best organic fair trade coffee beans for espresso”). I always prioritize long-tail for conversion potential.

Can I do effective keyword research without paid tools?

Yes, to a certain extent. Google Keyword Planner (requires a Google Ads account), Google Search Console, and Google Trends are free and valuable. However, paid tools like Semrush or Ahrefs offer significantly more data, competitor insights, and advanced filtering capabilities that are hard to replicate manually. For serious marketing efforts, I find them indispensable.

How do I know if a keyword is too competitive?

Tools like Semrush provide a Keyword Difficulty (KD) score, which estimates how hard it is to rank for a term. I generally advise clients to target keywords with a KD under 30-40 when starting out or for newer sites. As your domain authority grows, you can gradually tackle more competitive terms. Always analyze the top-ranking pages for a keyword – if they are all massive brands, it’s likely very competitive.

Should I target keywords that have zero search volume?

While counter-intuitive, sometimes yes. These are often referred to as “zero-volume keywords” or “dark search.” They can represent emerging trends, niche questions, or highly specific long-tail queries that collectively add up. If a keyword perfectly matches a user’s problem and your content provides the best solution, even a low-volume term can drive highly qualified traffic. It’s about being there for hyper-specific needs.

Donna Lin

Performance Marketing Strategist MBA, Marketing Analytics; Google Ads Certified; Meta Blueprint Certified

Donna Lin is a leading authority in performance marketing, boasting 15 years of experience optimizing digital campaigns for maximum ROI. As the former Head of Growth at Stratagem Digital and a current independent consultant for Fortune 500 companies, Donna specializes in data-driven attribution modeling and conversion rate optimization. His groundbreaking white paper, "The Algorithmic Edge: Predicting Customer Lifetime Value in a Cookieless World," is widely cited as a foundational text in modern digital strategy. Donna's insights help businesses transform their digital spend into tangible growth