Onpage SEO Checker

Compare two pages

Enter two page URLs to check for duplicate titles, descriptions, H1s and overlapping text.

What this checks

Compares two pages for identical titles, descriptions and H1s, and estimates text overlap.

How to fix common problems

Common questions

How is similarity calculated?

By comparing three-word sequences on both pages. It is a rough estimate, not a verdict.

What similarity is a problem?

Very high similarity between two pages on the same site can cause duplicate content issues. Consider merging them or using a canonical tag.