Semrush Domain Overview: Finding the Competitors You Never Knew You Had

You know that sinking feeling when you discover a competitor you've never heard of is absolutely crushing it in your market? Yeah, I've been there. One day you're feeling pretty good about your SEO strategy, and the next day you stumble across some company that's ranking for all your target keywords – and you had no idea they even existed.

This happened to me a few years back when I was working on local SEO strategies for Colorado Springs businesses. I thought I knew all the major players in the digital marketing space around here. Turns out, I was missing about half of them. That's when I really dove deep into Semrush's Domain Overview tool, and honestly? It changed everything.

Here's the thing – traditional competitor research only shows you the obvious players. You know, the ones advertising everywhere, the big names everyone talks about, the companies that pop up when you Google your industry. But what about the quiet ones? The businesses that aren't making a lot of noise but are quietly climbing the rankings and drawing away your potential customers?

That's where Semrush Domain Overview becomes your secret weapon. It's like having X-ray vision for your market. You can peek behind the curtain and see who's really competing for your audience's attention, even if they're flying under the radar.

Why Most Competitor Research Falls Short

Let me ask you something – how do you currently identify your competitors? If you're like most business owners, you probably:

  • Google your main keywords and see who shows up
  • Ask your customers who else they considered
  • Look at who's advertising on Google Ads
  • Check out the companies everyone in your industry talks about

Don't get me wrong, these aren't bad approaches. But they're incomplete. You're only seeing the tip of the iceberg.

I learned this lesson the hard way when I was analyzing the Colorado Springs service area business market. I was so focused on the obvious competitors that I completely missed a handful of companies that were quietly dominating long-tail keywords and niche segments. These businesses weren't spending big on ads or making waves at industry events, but they were capturing a significant chunk of organic traffic that should've been going to my clients.

The trouble with just skimming the surface for competitors is that you're always playing catch-up, not getting ahead. You're only discovering competitors after they've already established themselves. By then, they might have a head start that's tough to overcome.

What Makes Semrush Domain Overview Different

Semrush Domain Overview isn't just another SEO tool – it's like having a private investigator for your market. While other tools show you what's happening on the surface, Domain Overview digs into the data and reveals the full competitive picture.

Here's what makes it special: it doesn't just look at who's ranking for your exact keywords. It analyzes domains across millions of keyword combinations, traffic patterns, backlink profiles, and advertising spend. This means you can discover competitors who might be targeting slightly different keywords but going after the same audience.

Think of it this way – imagine you run a pizza restaurant, and you're only looking at other pizza places as competition. But what if there's a sandwich shop down the street that's ranking for "quick lunch near me" and "best takeout food"? They're absolutely your competitor, even though they don't serve pizza. Semrush Domain Overview would help you spot that sandwich shop.

The tool gives you a 360-degree view of any domain, including:

  • Organic search traffic and keyword rankings
  • Paid advertising activity and spend
  • Backlink profiles and referring domains
  • Top-performing content and pages
  • Traffic trends over time
  • Geographic targeting and audience overlap

But here's the real kicker – you can flip the script and use this data in reverse. Instead of starting with a domain and analyzing it, you can start with keywords, audiences, or market segments and discover which domains are competing in those spaces.

Setting Up Your Competitive Intelligence System

Alright, let's get practical. I'm going to walk you through exactly how I use Semrush Domain Overview to uncover hidden competitors. This isn't just some theory or fancy idea – this is the exact step-by-step process I use for my own business and my clients.

Step 1: Start With Your Own Domain

Before you start hunting for competitors, you need to understand your own competitive position. Log into Semrush and enter your domain in the Domain Overview tool. This gives you a baseline to work from.

Look at your top organic keywords, your estimated traffic, and your main competing domains. Semrush will automatically show you some competitors, but don't stop there – these are just the obvious ones.

Pay special attention to your "Organic Competitors" section. These are domains that rank for similar keywords as you do. But here's a pro tip: don't just look at the top 5 or 10. Scroll down and check out competitors with lower visibility scores. Sometimes these are emerging players who are just getting started but growing fast.

Step 2: Analyze Your Top Keywords Individually

This is where most people stop, but you're just getting started. Take your top 10-20 organic keywords and analyze each one individually using the Keyword Overview tool.

For each keyword, look at the SERP features and top-ranking domains. You'll often find competitors here that don't show up in your main Domain Overview report. These might be:

  • Niche websites targeting specific long-tail variations
  • Local businesses ranking for geo-modified versions of your keywords
  • Content sites or blogs that rank for informational queries in your space
  • E-commerce sites targeting commercial intent keywords

I remember doing this analysis for a client in the construction industry. Their main competitors were other general contractors, but when I analyzed individual keywords, I discovered several specialized companies (roofers, electricians, plumbers) that were ranking for broader construction terms. These were absolutely competitors for certain types of projects, but they never showed up in traditional competitor analysis.

Step 3: Use the Competitive Positioning Map

This is one of my favorite features that most people overlook. In the Domain Overview, there's a section called "Competitive Positioning Map" that shows you a visual representation of your competitive landscape.

The map plots competitors based on their traffic volume and the number of keywords they rank for. This helps you identify different types of competitors:

  • High traffic, many keywords: These are your major competitors with broad market coverage
  • High traffic, fewer keywords: Niche players who dominate specific segments
  • Lower traffic, many keywords: Emerging competitors or content-heavy sites
  • Lower traffic, fewer keywords: Specialized competitors or new entrants

Each quadrant represents a different competitive threat and opportunity. The niche players with high traffic might be worth studying to see if you can expand into their segments. The emerging competitors with many keywords might be future threats worth monitoring.

Finding Competitors Through Keyword Gap Analysis

Here's where things get really interesting. The Keyword Gap tool in Semrush is like a treasure map for finding hidden competitors. But most people use it wrong.

Instead of just comparing your domain to known competitors, try this approach:

Step 1: Start Broad, Then Narrow Down

Enter your domain and leave the competitor fields empty initially. Run a broad keyword gap analysis for your industry category. This will show you domains that rank for keywords in your space, even if you've never heard of them.

For example, when I was working on multi-location SEO strategies, I discovered several software companies and consulting firms that were ranking for location-based SEO terms. They weren't direct competitors, but they were definitely competing for the same audience's attention.

Step 2: Analyze Keyword Intent Overlaps

Look for domains that rank for keywords with similar search intent, even if the exact keywords are different. A domain ranking for "how to choose a marketing agency" might be competing with your "digital marketing services" page, even though the keywords are completely different.

This is particularly important for service businesses. Your competitors might not be targeting the same service-focused keywords you are, but they could be dominating the educational and comparison content that influences your potential customers.

Step 3: Geographic and Demographic Variations

Don't forget about geographic and demographic variations. Use the Keyword Gap tool to find competitors targeting:

  • Different geographic areas but similar services
  • Different demographic segments but overlapping needs
  • Adjacent industries that serve similar customer bases

I've found some of my most eye-opening competitive clues by looking at what companies in similar markets (but different locations) are doing successfully.

Uncovering Competitors Through Backlink Analysis

Backlinks are like a roadmap to your competitive landscape. The sites linking to your competitors often reveal industry relationships, partnerships, and market segments you might not have considered.

Analyzing Competitor Backlink Profiles

Once you've identified some potential competitors through keyword analysis, dive into their backlink profiles using Semrush's Backlink Analytics tool. Look for patterns in their referring domains:

  • Industry publications and blogs that mention them
  • Local business directories and chambers of commerce
  • Partner and vendor websites
  • Customer testimonial and case study pages
  • Industry conference and event websites

These backlinks often lead you to other competitors. If three companies in your space are all getting links from the same industry blog, chances are good that blog has mentioned other competitors too.

Finding Competitors Through Shared Link Sources

Use the Backlink Gap tool to find domains that link to multiple competitors but not to you. These shared link sources often reveal:

  • Industry networks you're not part of
  • Content opportunities you're missing
  • Partnership possibilities you haven't considered
  • Competitors you didn't know existed

I once discovered a major competitor this way when I noticed that several industry blogs were linking to companies I'd never heard of. Turns out, these companies were actively contributing guest content and building relationships in spaces I wasn't monitoring.

Link Intersect Analysis

The Link Intersect tool shows you which domains link to your competitors but not to you. But here's a twist – you can also use it to find domains that link to multiple competitors. These domains often mention or list other companies in your space, helping you discover additional competitors.

Content Gap Analysis for Competitive Discovery

Content is often the best indicator of who's really competing for your audience's attention. Two companies might offer completely different services, but if they're creating content for the same audience questions and pain points, they're competitors.

Identifying Content Competitors

Use Semrush's Content Gap tool to find domains creating content around your target topics. This often reveals:

  • Media companies and publications covering your industry
  • Consultants and agencies targeting your audience
  • Software companies creating educational content for your market
  • Industry associations and organizations

These content competitors might not offer the same services you do, but they're competing for your audience's attention and trust. In many cases, they're influencing purchase decisions in your market.

Analyzing Content Performance

Look at which content pieces are performing best for your competitors. High-performing content often indicates:

  • Market segments you haven't considered
  • Customer pain points you're not addressing
  • Content formats that resonate with your audience
  • Topics that drive engagement and shares

I've discovered several hidden competitors by analyzing top-performing content in my space. Sometimes a single blog post or resource page can reveal a whole network of companies I wasn't aware of.

Using Advertising Data to Find Competitors

Don't overlook paid advertising data when hunting for competitors. The companies spending money on ads in your space are serious about competing for your customers.

PPC Competitor Analysis

Semrush's Advertising Research tool shows you which domains are bidding on keywords related to your business. This includes:

  • Direct competitors bidding on your brand terms
  • Companies targeting your product/service keywords
  • Businesses advertising on related but adjacent terms
  • Local competitors focusing on geo-targeted campaigns

Pay special attention to competitors with consistent ad spend over time. These are companies that have found profitable campaigns in your market – which means they're likely serious competitors worth monitoring.

Display Advertising Insights

The Display Advertising tool can reveal competitors you might miss in search advertising. Companies running display campaigns often target:

  • Specific audience segments
  • Competitor websites and content
  • Industry publications and forums
  • Retargeting campaigns for your market

Display advertising data can also show you which websites and publications your competitors consider valuable for reaching your shared audience.

Geographic Competitor Mapping

One of the biggest mistakes I see in competitor analysis is thinking too narrowly about geography. Your real competitors might be:

  • Companies in other markets that could expand to yours
  • National companies with local presence you haven't noticed
  • Online businesses targeting your local keywords
  • Local businesses expanding their service areas

Using Location-Based Analysis

Semrush's Position Tracking tool lets you analyze competitors in specific geographic markets. Set up tracking for your target locations and see which domains consistently rank well in those areas.

This is particularly valuable for service businesses. I've helped clients discover competitors by analyzing Google Maps optimization strategies across different neighborhoods and service areas.

Market Expansion Insights

Look at competitors who rank well in adjacent markets. These companies often represent future competitive threats as they expand, or they might reveal market opportunities you haven't considered.

Industry and Vertical Analysis

Sometimes your biggest competitors aren't in your exact industry. They're companies serving the same customer base with different solutions.

Cross-Industry Competitive Analysis

Use Semrush to analyze domains in related industries that might be competing for your audience's attention or budget. For example:

  • If you're a marketing consultant, you might compete with marketing software companies for the same customers
  • If you're a fitness trainer, you might compete with fitness apps and nutrition companies
  • If you're a financial advisor, you might compete with robo-advisors and financial education platforms

Vertical Market Competitors

Don't forget about companies targeting specific verticals within your broader market. These specialized competitors often have advantages in their niche segments that are worth understanding.

Building Your Competitive Monitoring System

Finding hidden competitors is just the first step. You need a system to monitor them ongoing and stay ahead of competitive threats.

Setting Up Competitor Alerts

Use Semrush's Position Tracking and Brand Monitoring tools to set up alerts for:

  • New competitors entering your keyword space
  • Existing competitors launching new campaigns or content
  • Changes in competitor rankings and traffic
  • Mentions of competitor brands and campaigns

Regular Competitive Audits

Schedule monthly or quarterly competitive audits using the Domain Overview tool. Market dynamics change quickly, and new competitors emerge regularly.

During these audits, look for:

  • New domains appearing in your competitive landscape
  • Changes in competitor strategies and focus areas
  • Emerging trends in competitor content and campaigns
  • Shifts in market share and visibility

Competitive Intelligence Documentation

Create a system for documenting and sharing competitive intelligence across your team. This might include:

  • Competitor profiles with key metrics and strategies
  • Regular competitive analysis reports
  • Alerts and notifications for significant changes
  • Strategic recommendations based on competitive insights

Advanced Techniques for Competitive Discovery

Once you've mastered the basics, there are some advanced techniques that can help you uncover even more hidden competitors.

API and Data Integration

If you're serious about competitive intelligence, consider integrating Semrush data with other tools and databases. This can help you:

  • Cross-reference competitor data with industry databases
  • Combine SEO data with social media and advertising insights
  • Create custom dashboards for competitive monitoring
  • Automate competitive research and reporting processes

Seasonal and Trend Analysis

Use historical data to identify competitors who might only be active during certain seasons or market conditions. Some businesses ramp up their digital marketing efforts during specific times of year, making them invisible during your regular monitoring periods.

International and Multi-Language Analysis

Don't forget about international competitors, especially if you're in a market that could attract global competition. Use Semrush's international databases to identify competitors in other countries who might be targeting your market or could expand into it.

Common Mistakes to Avoid

After years of competitive analysis, I've seen the same mistakes over and over again. Here are the big ones to avoid:

Focusing Only on Direct Competitors

The biggest mistake is only looking at companies that offer exactly the same services you do. Your real competition includes anyone competing for your audience's attention, time, or budget.

Ignoring Smaller Competitors

Small competitors can be just as dangerous as large ones, especially if they're growing quickly or serving niche segments well. Don't dismiss a competitor just because they have lower traffic or visibility scores.

One-Time Analysis Instead of Ongoing Monitoring

Competitive landscapes change constantly. A one-time analysis gives you a snapshot, but you need ongoing monitoring to stay ahead of emerging threats and opportunities.

Not Acting on Competitive Insights

The most common mistake is gathering great competitive intelligence but not using it to improve your own strategy. Every competitive insight should lead to specific actions and improvements.

Turning Competitive Intelligence into Action

All this competitive research is worthless if you don't act on it. Here's how to turn your competitive intelligence into concrete improvements for your business.

Content Strategy Improvements

Use competitor content analysis to identify:

  • Content gaps you can fill
  • Topics that resonate with your shared audience
  • Content formats that perform well in your space
  • Distribution strategies that work for competitors

SEO Strategy Optimization

Competitive keyword analysis can help you:

  • Identify high-value keywords you're missing
  • Understand keyword difficulty and competition levels
  • Find long-tail opportunities with less competition
  • Optimize existing content for better performance

Link Building Opportunities

Competitor backlink analysis reveals:

  • Link building opportunities you haven't considered
  • Industry relationships worth developing
  • Content types that attract links in your space
  • Partnership and collaboration possibilities

Market Positioning Insights

Understanding your competitive landscape helps you:

  • Identify unique positioning opportunities
  • Understand market gaps and underserved segments
  • Develop messaging that differentiates your brand
  • Price your services competitively

Real-World Case Study: Finding Hidden Competitors

Let me share a real example of how this process works in practice. I was working with a client who runs a construction company in Colorado's competitive market. They thought they knew their main competitors – the other general contractors in their area who bid on similar projects.

But when I ran them through the Semrush Domain Overview analysis, we discovered several categories of hidden competitors:

Specialized Trade Companies: Electricians, plumbers, and roofers who were ranking for general construction terms and capturing leads for smaller projects.

Home Improvement Retailers: Big box stores with contractor referral programs that were ranking for DIY and contractor-related keywords.

Online Platforms: Lead generation websites and contractor matching services that were capturing potential customers before they ever reached traditional contractors.

Content Publishers: Home improvement blogs and local lifestyle publications that were influencing purchase decisions through educational content.

Software Companies: Construction management and design software companies that were targeting the same keywords with educational content, then converting visitors to their contractor networks.

None of these showed up in traditional competitor analysis, but together they were capturing a significant portion of the market's attention and potential customers.

By understanding this broader competitive landscape, my client was able to:

  • Develop content that competed with educational publishers
  • Optimize for long-tail keywords that specialized trades were missing
  • Create partnerships with some of the software companies
  • Adjust their local SEO strategy to compete with online platforms

The result? A 40% increase in qualified leads within six months, largely from market segments they didn't even know they were competing in.

Tools and Resources Beyond Semrush

While Semrush Domain Overview is incredibly powerful, it's even better when combined with other tools and resources.

Complementary SEO Tools

  • Ahrefs: Great for additional backlink analysis and content gap identification
  • SpyFu: Excellent for PPC competitor research and historical data
  • SimilarWeb: Useful for traffic analysis and audience overlap insights
  • BuzzSumo: Helpful for content performance and social media competitive analysis

Industry-Specific Resources

  • Trade publications and industry blogs
  • Professional associations and membership directories
  • Industry conference attendee lists and speaker rosters
  • Local business directories and chamber of commerce listings
  • LinkedIn Sales Navigator for professional service competitors

Social Media and Review Platforms

  • Facebook and Instagram business pages
  • Google My Business listings and reviews
  • Industry-specific review platforms
  • LinkedIn company pages and employee networks
  • YouTube channels and video content

The Future of Competitive Intelligence

Competitive intelligence is evolving rapidly, and staying ahead means understanding where the industry is heading.

AI and Machine Learning

Artificial intelligence is making competitive analysis more sophisticated and automated. Tools are getting better at:

  • Identifying patterns in competitor behavior
  • Predicting competitive moves and market changes
  • Automating competitive monitoring and alerting
  • Providing strategic recommendations based on competitive data

I've been experimenting with AI-powered optimization strategies for my own clients, and the insights are getting more accurate and actionable all the time.

Real-Time Competitive Monitoring

The future of competitive intelligence is real-time monitoring and instant alerts. Instead of monthly competitive audits, you'll get immediate notifications when:

  • Competitors launch new campaigns or content
  • Market dynamics shift or new players emerge
  • Competitive rankings or traffic patterns change
  • Industry trends and opportunities develop

Predictive Competitive Analysis

Advanced analytics are moving beyond describing what competitors are doing to predicting what they'll do next. This includes:

  • Forecasting competitor strategy changes
  • Identifying emerging competitive threats before they become established
  • Predicting market shifts and opportunities
  • Recommending proactive competitive responses

Getting Started Today

Alright, you've got all the theory and strategy. Now let's talk about what you can do today to start uncovering your hidden competitors.

Your 30-Minute Quick Start

  1. Log into Semrush and run a Domain Overview report for your website
  2. Export your top 20 organic keywords and your main organic competitors
  3. Run individual keyword analysis for your top 5 keywords to find additional competitors
  4. Check the backlink profiles of your top 3 known competitors to discover new ones
  5. Set up basic position tracking for your main keywords to monitor competitive changes

Your First Week Action Plan

  • Day 1-2: Complete the quick start analysis above
  • Day 3-4: Run keyword gap analysis comparing your domain to 3-5 competitors
  • Day 5-6: Analyze competitor content strategies and identify gaps
  • Day 7: Create a competitive monitoring system with alerts and regular check-ins

Your First Month Strategy

  • Week 1: Complete discovery and initial analysis
  • Week 2: Deep dive into 3-5 most important hidden competitors
  • Week 3: Develop action plans based on competitive insights
  • Week 4: Implement improvements and set up ongoing monitoring

Questions to Ask Yourself

As you work through this process, keep asking yourself these key questions:

  • Who else is competing for my audience's attention, even if they don't offer the same services?
  • What market segments am I missing that competitors are successfully targeting?
  • Which competitors are growing quickly, and what can I learn from their strategies?
  • How can I differentiate my business based on what I'm learning about the competitive landscape?
  • What partnerships or opportunities might exist with some of these hidden competitors?

Wrapping Up: Your Competitive Advantage

Here's the thing about competitive intelligence – most businesses barely scratch the surface. They know their obvious competitors, but they're missing the full picture. By using Semrush Domain Overview the way I've outlined here, you're going to have insights that 90% of your competitors don't have.

You'll spot emerging threats before they become established. You'll identify market opportunities that others are missing. You'll understand your audience better by seeing all the different ways competitors are trying to reach them.

But remember – the goal isn't just to spy on your competitors. It's to understand your market so well that you can serve your customers better than anyone else. Use these insights to improve your own strategy, not just copy what others are doing.

The businesses that win in competitive markets aren't necessarily the ones with the biggest budgets or the most resources. They're the ones with the best information and the willingness to act on it.

If you're feeling overwhelmed by all this, don't worry. Start small, be consistent, and build your competitive intelligence capabilities over time. Even basic competitive monitoring will give you advantages that most of your competitors don't have.

And if you're a local business here in Colorado and want help implementing these strategies, feel free to reach out to our team. We've helped dozens of businesses uncover hidden competitors and turn those insights into growth opportunities.

The competitive landscape in every industry is more complex than it appears on the surface. But with the right tools and approach, you can map that landscape completely and use it to your advantage. Your hidden competitors won't stay hidden for long – and once you know who they are, you can start beating them at their own game.

Remember, in business, information is power. And now you've got the roadmap to gather the competitive intelligence that can transform your marketing strategy and grow your business. The question isn't whether you can afford to do this competitive research – it's whether you can afford not to.

So fire up Semrush, start digging into your Domain Overview, and prepare to discover competitors you never knew existed. Your future self will thank you for the insights you uncover today.


Ready to discover the hidden competitors in your market? At Casey's SEO, we help Colorado Springs businesses uncover competitive intelligence that drives real growth. Contact us at casey@caseysseo.com or call 719-639-8238 to discuss how we can help your business get ahead of the competition.

Casey Miller SEO

Casey Miller

Casey's SEO

8110 Portsmouth Ct

Colorado Springs, CO 80920

719-639-8238