Stop cannibalization. Find gaps. Build clusters.

LazySEM scans your site and chosen competitors to flag overlapping URLs, surface missed topics, and auto-group pages into clusters – with clear next steps.

✓Duplicate/Similar pages: overlap score + merge/redirect/differentiate plan
✓Competitor gaps — topics SERP competitors target and you don't
✓Topic clusters — we flag clusters and list the pages in each so you can organize and plan work
Paste sitemap or path
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Analyze 500+ URLs at once
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Multi-language

How LazySEM Spots Overlaps, Gaps & Clusters

Three quick scans. Zero spreadsheets. One clear action plan.

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1. Find Similar Pages

We flag duplicate or overlapping URLs using real content and score each match by risk level.

→ Get merge, redirect, or differentiate suggestions instantly.

Run Similarity Scan →
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2. Uncover Competitor Gaps

See what topics your SERP competitors cover — that you don't.

→ Turn missed topics into your next briefs.

Find Gaps →
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3. Map Your Site's Clusters

We auto-detect topic clusters and list every page inside — so you can plan hubs and links with confidence.

→ No manual grouping or crawling needed.

See Clusters →

Stop Content Conflicts Before They Hurt Your Rankings

Protect your visibility by catching overlaps, missed topics, and messy clusters – before Google does.

Find Topic Overlaps

Automatically flag duplicate or conflicting pages so you can consolidate with confidence.

→ No more mixed signals to Google.

Get Smart Similarity Scores

See overlap scores and instant merge/delete suggestions.

→ Know what to fix – and why.

Compare Posts or URL Sets

Scan pages, sections, or full sites in seconds.

→ Perfect for audits and pruning.

Clean Up Your Content Strategy

Streamline your structure for better rankings and crawl efficiency.

→ A faster, clearer, more focused site.

How It Works

Find and fix cannibalization in three simple steps — powered by AI semantic analysis.

Paste or Upload URLs

Import your sitemap, or upload a CSV — we'll handle the rest.

AI Analyzes Content Similarity

Beyond keywords — we scan your content and intent to detect real topic overlap.

Get Clear Fix Suggestions

See which pages compete and exactly what to do: merge, delete, or keep.

"We found dozens of duplicate blog posts competing for the same keyword. After cleaning them up, organic traffic jumped 22% in a month."
"The clustering tool is a lifesaver. It flagged topic groups we didn't even know were overlapping. Now our site structure actually makes sense."
"Ran the similarity check on 300 URLs — took less than five minutes. I used to spend hours finding content cannibalization by hand."
"The content gap comparison helped us spot missing topics vs competitors and rewrite smarter. LazySEM does what three tools used to."

Frequently Asked Questions

Everything you need to know about our similarity checker. Get instant answers to common questions.

Stack These Tools Together

Automate your SEO maintenance — from fixing duplicate content to publishing optimized articles.

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Similarity Checker

Find duplicate or overlapping pages instantly — fix keyword cannibalization before it hurts your rankings.

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AI Article Generator

Build briefs from live SERP data, then auto-generate full drafts you can refine with tone, brand, and input.

Clean Up Your Content. Protect Your Rankings.

Fast, accurate, and built for modern SEO audits.

No credit card required. Analyze up to 50 URLs for free.