Keyword Gap Analysis: How to Find Keywords Your Competitors Rank For
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SEO12 min read

Keyword Gap Analysis: How to Find Keywords Your Competitors Rank For

Learn how to identify untapped keyword opportunities by analyzing what your competitors rank for but you don't. Complete guide with tools and strategies.

Girish Kotte
Girish Kotte
Jan 22, 2026

Keyword gap analysis is one of the most powerful SEO strategies for finding untapped ranking opportunities. By identifying keywords your competitors rank for—but you don't—you can quickly expand your organic traffic and capture market share.

Key Takeaways

  • Keyword gap analysis reveals keywords competitors rank for that you're missing
  • Focus on low-difficulty, high-volume gaps for quick wins
  • Use tools like DataForSEO, Ahrefs, or SEMrush for analysis
  • Prioritize keywords by search intent and business value

What Is Keyword Gap Analysis?

Keyword gap analysis (also called competitive keyword analysis) is the process of comparing your website's keyword rankings against your competitors to find opportunities you're missing. These "gaps" represent keywords where competitors are getting traffic, but you have no presence.

Why Keyword Gap Analysis Matters

Find Quick Wins

Discover low-competition keywords your competitors rank for

Expand Traffic

Capture traffic from keywords you never knew existed

Content Ideas

Generate new content topics based on competitor success

Strategic Focus

Prioritize SEO efforts on proven opportunities

How to Perform Keyword Gap Analysis

Step 1: Identify Your Competitors

Start by identifying 3-5 direct competitors. These should be websites that:

  • Target the same audience as you
  • Offer similar products or services
  • Rank for keywords you want to rank for
  • Have comparable or higher domain authority

Step 2: Extract Competitor Keywords

Use SEO tools to pull all keywords each competitor ranks for. Focus on:

  • Top 20 positions: Keywords where competitors rank on page 1-2
  • Search volume: Filter for keywords with 100+ monthly searches
  • Keyword difficulty: Note the competition level for each keyword

Step 3: Find the Gaps

Compare your keyword list against competitors to identify:

1

Missing Keywords

Keywords competitors rank for that you don't rank for at all

2

Weak Keywords

Keywords where competitors rank higher than you

3

Opportunity Keywords

Low-difficulty keywords with high search volume

Step 4: Prioritize by Opportunity

Not all keyword gaps are worth pursuing. Prioritize based on:

PriorityCriteriaAction
HighLow difficulty (<40), High volume, Strong intentCreate content immediately
MediumMedium difficulty (40-60), Good volumePlan content for next quarter
LowHigh difficulty (>60), Low relevanceMonitor for future

Best Tools for Keyword Gap Analysis

DataForSEO

API-based solution with competitive pricing. Great for automated analysis.

Best Value

Ahrefs

Content Gap tool with largest backlink database. Premium pricing.

Most Comprehensive

SEMrush

Keyword Gap tool with excellent visualization and filtering.

User Friendly

Moz

Keyword Explorer with competitive analysis features.

Good for Beginners

Frequently Asked Questions

What is keyword gap analysis?

Keyword gap analysis is the process of comparing your website's keyword rankings with competitors to identify keywords they rank for that you don't. These gaps represent opportunities to create content and capture traffic.

How often should I perform keyword gap analysis?

Perform keyword gap analysis quarterly to stay updated on competitor movements and new opportunities. Monthly analysis is recommended for competitive industries.

How many competitors should I analyze?

Analyze 3-5 direct competitors for best results. Too few won't reveal enough opportunities; too many can dilute focus and create noise in your data.

Should I target all keyword gaps?

No. Prioritize gaps based on search volume, keyword difficulty, search intent alignment, and business relevance. Focus on high-opportunity, low-difficulty keywords first.

What's the difference between keyword gap and content gap?

Keyword gap focuses on individual search terms, while content gap analysis looks at broader topics and content types competitors cover. Both are valuable for SEO strategy.

Find Your Keyword Gaps Automatically

Postwyse's Keyword Gap Analysis tool uses DataForSEO to instantly identify keywords your competitors rank for. Export to CSV and start creating content today.

SEOKeywordsCompetitor Analysis
Girish Kotte

Girish Kotte

AI GTM Advisor & Founder

Author of "It Started with a PROMPT" and founder of LeoRix. With a decade of experience in AI, DevOps, and cloud architecture, I help founders and marketers leverage AI to scale 10x faster.

Visit my website

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