Keyword Gap Analysis

Find keywords your competitors rank for that you don't. These are your fastest content opportunities, topics with proven demand that your site is missing.

Why use our Keyword Gap Analysis

Finds proven-demand content gaps

Surfaces keywords a competitor already ranks for that you don't, topics with validated search demand, not a guess at what might work.

Free keyword gap tool, no signup

Compare your keyword rankings against competitors online with no account required, unlike enterprise competitive-intelligence platforms.

Compare multiple competitors at once

Analyse gaps across 3–5 competitors together to spot the keywords most of your rivals rank for but you're still missing entirely.

Prioritise winnable opportunities

Focus on gaps where competitors rank #3–#10, proven to convert but not yet dominated, giving you a realistic shot at outranking them.

What you need to know

What a keyword gap is: A keyword gap is any keyword your competitor ranks for in the top 10 that your site doesn't. Each gap is a content opportunity with proven search demand.

Gaps = guaranteed demand: Unlike brainstorming new topics, keyword gaps are already validated, your competitor ranks for them, which proves people are searching and clicking.

Prioritize by traffic potential: Focus on gaps where your competitor ranks #3–#10. They've proven the content works but haven't dominated yet, you can outrank them with better content.

One gap = one content piece: Each meaningful keyword gap typically maps to one blog post, landing page, or comparison page. Prioritize and work through your list systematically.

Real Keyword Gap Analysis example: before vs. after

A blog comparing itself to 3 competitors before and after acting on gap results.

Before · Before analysis

Validated content gaps known

New content topics were chosen by guesswork, with no confirmation that anyone was actually searching for them.

After · After analysis

Keyword gaps found

34 keywords competitors already rank for became a prioritised, demand-validated content roadmap.

Frequently Asked Questions

What is keyword gap analysis?

Keyword gap analysis compares your keyword rankings to competitors to find terms they rank for that you don't. These gaps represent missed traffic opportunities.

How many competitors should I compare?

Analyze 3–5 direct competitors, those ranking for the same keywords you want to target. The more overlap in audience, the more valuable the gap data.

What do I do with keyword gap results?

Create or optimize content to target the gap keywords. If the competitor has a 2,000-word guide and you have nothing, write a more comprehensive, better-structured version.

How often should I run a keyword gap analysis?

Quarterly is a good cadence. Competitors publish new content constantly, and new gaps open up regularly.

Want a full SEO audit of your site?

SEOMentor scans 50+ SEO factors in 30 seconds: speed, meta tags, Core Web Vitals, links, and more, then tells you exactly what to fix.

Scan your site free

Free forever · No credit card