Duplicate Content Finder
Compare pages for duplicate or near-duplicate content. Enter 2-20 URLs and instantly find content overlap that can hurt your rankings.
How It Works
Paste your URLs
Enter 2 to 20 page URLs you want to compare for duplicate content.
We analyze each page
We fetch and extract main text content, stripping navigation and boilerplate.
See the results
View similarity scores for every pair of pages, color-coded by severity.
Frequently Asked Questions
What counts as duplicate content?
Pages with 70% or higher text similarity are flagged as near-duplicate. This level of overlap can confuse search engines about which page to rank.
How is similarity calculated?
We use the Jaccard coefficient on word trigrams (3-word sequences). This method catches paraphrased and reworded content, not just exact matches.
Does duplicate content hurt SEO?
Yes. Duplicate content dilutes ranking signals across multiple pages, leading to lower visibility in search results. Consolidating duplicates with canonicals or redirects is best practice.
How many URLs can I check?
You can compare between 2 and 20 URLs per check. Every pair of pages is compared, so 20 URLs yields 190 pair comparisons.
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