Sample Output Preview
sentence length checker2,400/moYou are missing this
passive voice detector1,800/moYou are missing this
sentence counter online18,000/moYou rank #12
Enter your topic and two competitor URLs to find keywords they rank for that your content is missing. Powered by real DataForSEO data with monthly volume estimates.
Pro Plan · $6.99/moA keyword gap analysis identifies keywords that your competitors rank for in Google search results but that your content is missing. It's one of the most efficient ways to find proven content opportunities — topics that searchers are actively looking for, that competitors are already capturing traffic from, and that your site isn't yet covering.
Our keyword gap finder takes your topic or URL and compares it against two competitor URLs using real DataForSEO SERP data. It returns a list of keywords your competitors rank for that represent gaps in your content coverage — along with the monthly search volume for each keyword so you can prioritize the highest-impact opportunities first.
Content strategy without competitive data is guesswork. You might write about topics you find interesting, topics that seem relevant to your audience, or topics that your instincts tell you will perform. Keyword gap analysis replaces instinct with data — it tells you what is already proven to drive traffic for sites in your space, and where your content coverage falls short by comparison.
The insight is powerful because gap keywords have two things in common: they have proven search demand (people are searching for them), and they have proven content viability (competitors are ranking for them). This eliminates the most common risk in content strategy — writing content that nobody searches for. Gap analysis steers you toward topics that are already attracting search traffic; you just need to create better coverage than the existing results.
The most useful competitors for a keyword gap analysis are not necessarily your direct business competitors — they're your search competitors: sites that rank for the same keywords you're targeting, regardless of whether they sell the same products or serve the same audience.
Search for 5–10 keywords you currently rank for or want to rank for. Note which sites appear consistently in the top 10 across multiple queries. Those sites are your search competitors — they're the ones capturing your potential traffic right now.
Comparing yourself against sites with 10x your domain authority produces a gap list that's theoretically interesting but practically unreachable. Choose competitors with roughly similar authority — sites you have a realistic chance of outranking with better content.
A competitor with 500 thin articles produces a gap list of mostly low-quality opportunities. A competitor with 50 thorough, well-researched articles produces a gap list of high-quality, proven content opportunities. Choose quality over quantity when selecting comparison sites.
| Result Type | What It Means | Action |
|---|---|---|
| You rank, they don't | You have a content advantage in this area | Protect and strengthen this content |
| They rank, you don't (gap) | Proven traffic opportunity you're missing | Create content targeting this keyword |
| Both rank, you're lower | Competitive overlap — they're outperforming you | Improve and refresh your existing content |
| Neither ranks | Untested keyword or very niche topic | Lower priority; validate demand before creating |
A keyword gap analysis produces a prioritized content calendar. Once you've identified your highest-priority gap keywords, the next step is systematic content creation:
A full keyword gap analysis against your main competitors should be part of your content planning cycle — typically every 3–6 months. Competitors publish new content, your coverage grows, and the gap landscape changes. A quarterly gap analysis ensures your content strategy stays aligned with the competitive reality of your search environment.
Additionally, run a focused gap analysis any time a competitor launches a significant new content cluster. If a competing site publishes 15 new articles in a specific topic area, a gap analysis against those new pages can reveal the keyword opportunities they're capturing that you should respond to.
Quick win strategy: Run a gap analysis against a competitor who ranks for lots of informational keywords. Filter the results for keywords with search volume between 500 and 5,000 — this range typically has meaningful traffic and less competition than high-volume head terms. Create one piece of content per week targeting your top gap keywords in this range.
A keyword gap is a keyword that competitor websites rank for in Google search results that your website doesn't rank for. These represent content opportunities — topics with proven search demand that you haven't yet created content for. Filling these gaps captures traffic that is currently going to competitors.
Focus on 3–5 gap keywords per week in a sustained content creation program. Trying to address too many gaps simultaneously spreads your effort thin and produces superficial content that won't rank. It's better to produce one comprehensive, well-optimized piece per gap keyword than many thin pieces.
Yes. If a competitor ranks for a keyword that's closely related to a topic you've already covered, it may indicate that your existing content could be expanded to address the gap rather than creating a new page. Adding a relevant section to an existing strong page is sometimes more effective than creating new competing content.
Keyword gap analysis is a subset of competitive research. Broader competitive research also includes analyzing competitor backlink profiles, content strategies, technical SEO, and brand positioning. Keyword gap analysis specifically focuses on search keyword coverage — where competitors are capturing organic traffic that you're not.
The keyword gap finder uses real Google SERP data through the DataForSEO API, which directly queries Google and returns actual position data. This is the same data source used by professional SEO platforms like SEMrush and Ahrefs, giving you reliable, real-world ranking information rather than estimates.