Competitive Content Strategy: How to Fill Gaps Semrush Uncovers in Top 10 SERPs

Struggling to crack the top 10 search results for your target keywords? You’re not alone. Most niches are saturated with established competitors who have optimized their content for years. But here’s the secret: even the top-ranking pages have content gaps. By using Semrush to uncover these gaps in the top 10 SERPs, you can build a competitive content strategy that outranks rivals and drives more organic traffic.

What Is a Competitive Content Strategy?

A competitive content strategy is a data-driven approach to creating content that directly challenges top-ranking pages for your target keywords. Instead of guessing what users want, you analyze what your competitors are doing well, then identify what they’re missing. This lets you create content that’s more comprehensive, relevant, and valuable than existing top results.

Key goals of a competitive content strategy include:

• Outranking existing top 10 pages for high-value keywords
• Capturing traffic from competitors’ under-optimized content
• Building topical authority in your niche

How Semrush Uncovers Top 10 SERP Gaps

Semrush’s suite of SEO tools is designed to reverse-engineer top-ranking content. To find gaps in the top 10 SERPs, you’ll primarily use three tools:

1. Organic Research: Enter a competitor’s domain to see all the keywords they rank for in the top 10.
2. Keyword Gap: Compare your domain to up to 4 competitors to find keywords they rank for that you don’t.
3. Content Gap: Enter up to 5 competitor domains to find topics they cover that you’re missing, even if they don’t rank for the same keywords.

All three tools let you filter results to only show keywords where competitors rank in the top 10, so you’re only focusing on high-value opportunities that can directly impact your rankings.

Step-by-Step: Filling Top 10 SERP Gaps with Semrush

Step 1: Identify Your Top 10 Competitors

Start by listing the domains that consistently rank in the top 10 for your core target keywords. Use Semrush’s Organic Research tool: enter your main keyword, check the top 10 results, and export the list of competitor domains. Aim for 3-5 direct competitors to keep your analysis manageable.

Step 2: Run a Content Gap Analysis

Navigate to Semrush’s Content Gap tool. Enter your domain in the first field, then add your 3-5 competitors in the next fields. Check the box to only show keywords where competitors rank in the top 10. Semrush will generate a list of high-value keywords your competitors rank for that you don’t. Export this list to prioritize later.

Step 3: Validate Gaps for Search Intent

Not all gaps are worth filling. For each keyword in your list, check the top 10 SERPs to confirm search intent: are users looking for informational, commercial, or transactional content? If the top results are all how-to guides and you’re planning a product page, that gap isn’t worth targeting. Only prioritize gaps that match your content goals and user intent.

Step 4: Create Better Content Than Top Rankers

Once you’ve validated a gap, analyze the top 3-5 ranking pages for that keyword. Note what they do well (e.g., clear headings, original data, visuals) and what they’re missing (e.g., outdated stats, no video, shallow coverage of subtopics). Create content that addresses all user pain points, includes the missing elements, and is more up-to-date than existing results. For example: if top pages haven’t updated their 2023 stats, include 2024 data from authoritative sources like Pew Research Center.

Use internal links to related content on your site (e.g., link to your existing guide on keyword research if you mention it) to boost crawlability and user engagement.

Step 5: Optimize and Promote Your Content

After publishing, optimize your content for on-page SEO: include your target keyword in the H1, meta title, first 100 words, and H2s. Promote your content on social media, in industry newsletters, and via outreach to sites that link to your competitors’ content to accelerate ranking improvements.

Common Mistakes to Avoid

Even with Semrush data, it’s easy to make mistakes. Avoid these common pitfalls:

• Targeting gaps with low search volume: Always check monthly search volume in Semrush before creating content.
• Ignoring search intent: Don’t create a blog post for a keyword where top results are all product pages.
• Copying competitors: Filling a gap means creating better content, not duplicating what already exists.
• Neglecting technical SEO: Even great content won’t rank if your site has slow load times or broken links.

FAQ

Here are answers to common questions about using Semrush for competitive content strategy:

How often should I run a content gap analysis?

Run a gap analysis quarterly, or whenever you launch a new product/service. Top 10 SERPs change frequently, so regular checks ensure you don’t miss new opportunities.

Can I use Semrush’s free plan for gap analysis?

Semrush’s free plan offers limited gap analysis features. For full access to top 10 SERP filtering and export capabilities, a Pro plan or higher is recommended.

How long does it take to rank after filling a gap?

Results vary, but most sites see ranking improvements within 3-6 months of publishing high-quality, optimized content that fills a clear gap.

Should I target gaps for keywords my competitors rank 1-3 for?

Yes, if the gap is significant. Even if a competitor ranks #1, if their content is outdated or missing key information, you can outrank them with better content.

Conclusion

Building a competitive content strategy doesn’t require guessing what users want. By using Semrush to uncover gaps in the top 10 SERPs, you can create data-driven content that outperforms rivals, captures more organic traffic, and builds long-term topical authority. Start with a small list of competitors, run your first content gap analysis today, and watch your rankings climb.

Ready to start filling top 10 SERP gaps? Sign up for a 7-day free trial of Semrush Pro to access full gap analysis features, or download our free checklist for competitive content strategy steps.