Keyword Gap Analyzer

Compare your keyword list with a competitor's to find gaps you're missing, advantages you hold, and shared keywords. Export the gap analysis as CSV.

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Keyword Gap Analyzer

Compare your keyword list with a competitor's. Find gaps you're missing, advantages you hold, and keywords you share. Export results as CSV.

Your Keywords

Competitor Keywords

How to Use Keyword Gap Analysis

Prioritize competitor-only keywords

Keywords your competitor ranks for but you don't represent your biggest opportunity gaps. Focus on high-volume terms first.

Protect your unique advantages

Keywords only you rank for show where you have a competitive edge. Maintain and expand content in these areas.

Analyze shared keywords

For keywords both sites target, compare your rankings. If you're behind on shared terms, improve existing content rather than creating new pages.

Use tools for volume data

This tool shows keyword overlap. For search volume and difficulty, pair your gap analysis with Ahrefs, SEMrush, or Google Keyword Planner.

Frequently Asked Questions

What is the Keyword Gap Analyzer?

The Keyword Gap Analyzer is a free online tool that compare your keyword list with a competitor. It runs entirely in your browser with no installation or sign-up needed.

Can I export the results?

Yes. Click "Download CSV" to export all gap categories (your advantages, your gaps, and shared keywords) as a spreadsheet.

Is the Keyword Gap Analyzer free to use?

Yes, the Keyword Gap Analyzer is 100% free with no registration, no hidden fees, and no usage limits. All processing happens locally in your browser, ensuring complete privacy.

Is my data safe with this tool?

Absolutely. The Keyword Gap Analyzer processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.

Does the Keyword Gap Analyzer work on mobile devices?

Yes, the Keyword Gap Analyzer is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.

Do I need to create an account to use this tool?

No account or registration is needed. Simply open the Keyword Gap Analyzer in your browser and start using it immediately. There are no sign-up walls or usage restrictions.

Does this tool follow Google's latest guidelines?

Yes, the Keyword Gap Analyzer is built following current Google Search guidelines and best practices. We regularly update the tool to reflect changes in search engine requirements.

How do I use the Keyword Gap Analyzer?

Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.

Which browsers are supported?

The Keyword Gap Analyzer works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.

What is a keyword gap analysis in SEO?

A keyword gap analysis compares the keywords your site targets against those a competitor targets to reveal terms you're missing, terms you uniquely own, and terms you both chase. The "gap" is the set of valuable keywords a rival ranks for or targets that are absent from your own list, often pointing to topics or pages you haven't built yet. SEOs run it to find quick content opportunities, defend their strongholds, and decide where to compete head-to-head. This tool performs the core comparison: paste your keyword list and a competitor's, one per line, and it instantly sorts every term into Your Advantages, Your Gaps, and Shared Keywords. Pull both lists from Ahrefs, Semrush, or Search Console first, then paste them here to see exactly where the gaps fall.

What is the difference between Your Advantages, Your Gaps, and Shared Keywords?

These are the three buckets the analyzer sorts every keyword into. Your Advantages are terms that appear only in your list and not the competitor's, marking areas where you have a head start and they have no presence. Your Gaps are the opposite: keywords in the competitor's list that are missing from yours, which is your opportunity list of topics a rival targets but you don't yet cover. Shared Keywords appear in both lists, meaning you're competing directly on those terms. Each bucket shows a live count and a scrollable list so you can size the opportunity at a glance. The tool can't tell who ranks higher on shared terms, only that you both target them. Paste your two lists, click Analyze Gap, and the counts and terms populate instantly.

Does this tool show search volume and keyword difficulty?

No. The Keyword Gap Analyzer compares only the two lists you give it; it does not pull live search volume, keyword difficulty, cost-per-click, or ranking positions from any database. It answers "which keywords differ between these two lists," not "how hard is this term to rank for" or "how much traffic could it bring." That keeps it fast and fully private, but it means a gap isn't automatically worth chasing. The practical workflow is to use this tool as a quick first pass to surface where gaps exist, export the results to CSV, then enrich those keywords with volume and difficulty data from a dedicated tool like Ahrefs, Semrush, or Google Keyword Planner before prioritizing. Paste your lists here to find the gaps, then add the metrics that tell you which ones to act on first.

How does the tool handle duplicate keywords and different capitalization?

The analyzer treats each list as a set of unique terms and normalizes them before comparing. It splits your text on line breaks, trims surrounding whitespace, and lowercases every entry, so "Running Shoes" and "running shoes" are counted as the same keyword and exact duplicates collapse automatically. This means you don't have to clean up casing or stray spaces from your exports first. One thing to know: the matching is exact after that normalizing, so near-duplicates and reordered phrases like "best running shoes" and "running shoes best" are treated as two separate keywords, not one. If you want those merged, tidy your exports before pasting. Drop your raw keyword lists straight in, one per line, and the tool dedupes and matches them for you when you click Analyze Gap.

How do I turn the gap results into a content plan?

Start with Your Gaps, since competitor-only keywords are the clearest opportunities; prioritize higher-volume, commercial-intent terms rather than chasing every long-tail phrase. Next, defend Your Advantages by keeping that content fresh and expanding the topic clusters around it so rivals can't easily catch up. For Shared Keywords, check your actual ranking positions separately, because the tool can't show who leads; if you trail, strengthen the existing page instead of publishing a competing one. Running the analysis against several competitors helps too: a keyword that surfaces as a gap every time is a strong signal of a genuine hole in your coverage. Click Download CSV to drop the labeled gaps straight into a content calendar or spreadsheet. Paste your lists, analyze, and export to build that action plan in minutes.

About the Keyword Gap Analyzer

The Keyword Gap Analyzer compares your keyword list against a competitor's and sorts every term into three buckets: keywords only you have, keywords only they have, and keywords you both target. Paste one keyword per line into each box, click Analyze Gap, and the tool instantly shows where you lead, where you're falling behind, and where you're competing head-to-head. It's built for SEO specialists, content strategists, and site owners who already have keyword exports from Ahrefs, Semrush, Google Search Console, or Keyword Planner and want a fast, visual way to compare two lists.

Everything runs locally in your browser. Your keyword lists are never uploaded to a server, so competitive research, client data, and unpublished strategy stay private on your device. There is no sign-up, no usage limit, and nothing to install.

How the gap analysis works

The tool treats each list as a set of unique terms. It splits your text on line breaks, trims whitespace, and lowercases every entry, so "Running Shoes" and "running shoes" are treated as the same keyword and duplicates are collapsed automatically. Then it compares the two sets and produces three results:

  • Your Advantages — keywords that appear in your list but not the competitor's. These are terms you own where they have no presence.
  • Your Gaps — keywords in the competitor's list that are missing from yours. This is your opportunity list: terms a rival targets that you don't yet.
  • Shared Keywords — terms that appear in both lists, where you and the competitor are directly competing.

Each bucket shows a live count and a scrollable list. Because the matching is exact (after normalizing case and spacing), near-duplicates like "best running shoes" and "running shoes best" are counted separately — clean your exports before pasting if you want them merged.

Turning gaps into an action plan

A gap list is only useful if it changes what you build next. A practical order of attack:

  • Start with Your Gaps. Competitor-only keywords are the clearest opportunities. Prioritize the higher-volume, commercial-intent terms first rather than chasing every long-tail phrase.
  • Defend Your Advantages. Keywords only you rank for are a competitive moat. Keep that content fresh and expand the topic clusters around it so rivals can't easily catch up.
  • Audit Shared Keywords. For terms you both target, the gap tool can't tell you who ranks higher — check positions separately. If you trail on a shared term, strengthen the existing page instead of publishing a competing one.

Run the analysis against several competitors and the same keyword surfacing as a gap each time is a strong signal that it's a genuine hole in your coverage, not a one-off.

Exporting and pairing with volume data

Click Download CSV to export all three categories to a spreadsheet, with each row labeled Your Advantage, Gap (Competitor Only), or Shared. That makes it easy to drop the gaps into a content calendar, sort them in Excel or Google Sheets, or share them with a writer.

One honest limit worth stating: the Keyword Gap Analyzer compares the lists you give it — it does not pull live search volume, keyword difficulty, or ranking positions. It answers "which keywords differ between these two lists," not "how hard is this to rank for." For that, enrich your exported gaps with volume and difficulty from a dedicated keyword tool. Used that way, the analyzer becomes the fast first pass that tells you where to look, before you spend budget deciding what to prioritize.

To try it without your own data, click Load Sample to populate both boxes with example running-shoe keywords and see the three result buckets in action.