Technical SEO Tool 🕷️

SEO Cannibalization Checker

Are your own pages fighting each other in the SERPs? Enter your target keyword and the content of two pages to instantly analyze the overlap risk.

How Keyword Cannibalization Kills Your Rankings

As you continue to create content for your website, you might unintentionally cover the same topics multiple times. When you have two different articles targeting the exact same keyword or search intent, Google struggles to determine which page is the primary authority.

This phenomenon is called SEO Cannibalization. Because you are forcing Google to pit your pages against each other, your backlink equity and Click-Through Rates (CTR) split in half. Consequently, instead of having one strong article ranking on Page 1, you end up with two weak articles struggling on Page 3 or 4.

Symptoms of Cannibalization

  • Your rankings in the search results (SERP) constantly fluctuate.
  • When you search your target keyword, an irrelevant or outdated page from your site appears instead of the new one.
  • Your organic traffic isn't growing; instead, it's divided evenly between two similar pages.

How to Fix It

  • 301 Redirect: Delete the weaker page and 301 redirect it to the stronger master page (Content Merging).
  • De-optimization: Clean the overlapping keywords from the weaker page and shift its focus to a different long-tail query.
  • Canonical Tag: If both pages must exist for users, add a rel="canonical" to the weaker one, pointing to the main page.

Frequently Asked Questions

How does this tool detect cannibalization?

The tool scans your target keyword across both text inputs to calculate exact keyword density. It then uses the Jaccard similarity algorithm to count shared words and measure the overall duplicate content percentage between the two pages.

Keyword exists in both, but similarity is 10%. Is there a risk?

Probably Low/Medium risk. For instance, the word "Apple" might appear on a page about "How to Prune an Apple Tree" and a page for an "Apple Pie Recipe". Because the search intent is vastly different, Google will not treat this as cannibalization.

Why do I need to paste text instead of URLs?

Due to strict browser security rules (CORS), websites cannot randomly scrape other URLs without your permission. Manually pasting text ensures the process remains 100% private and runs instantly on your device without relying on a slow backend server.