Keyword Cannibalization: What It Is and How to Fix It
When two of your pages target the same keyword, they compete with each other and both rank worse. Here's how to identify and fix cannibalization before it costs you rankings.
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What keyword cannibalization is
Keyword cannibalization happens when multiple pages on your site target the same keyword or the same search intent. Instead of one strong page ranking, you have two weak ones competing - splitting backlink equity, splitting internal link authority, and confusing Google about which page deserves to rank. The result: neither page performs as well as one consolidated page would.
It's extremely common on sites that have been publishing content for a while without a clear keyword map. A SaaS blog that has written about "SEO audit" three times in different ways has probably created a cannibalization problem without realising it.
How to find cannibalizing pages
The fastest method: in Google Search Console, go to Performance and filter by query. For any important keyword, look at how many different pages are getting impressions. If you see two or more different URLs getting impressions for the same query, those pages may be cannibalizing.
You can also search site:yourdomain.com "target keyword" in Google to see which of your pages contain the keyword. If multiple pages come up, review each one for intent overlap.
- Same keyword, same intent - definite cannibalization. Consolidate.
- Same keyword, different intent - probably fine. A product page and a blog post about the same topic serve different intents.
- Different keywords, same topic - potential issue. Review whether they should be merged.
How to fix keyword cannibalization
- Merge the pages - combine the content of the weaker page into the stronger one. 301 redirect the weaker URL to the stronger one. This consolidates all link equity to one page.
- Set a canonical tag - if you must keep both pages (e.g., different audiences), set a canonical on the weaker page pointing to the stronger one.
- Differentiate the intent - rewrite one page to target a clearly different keyword with different search intent. Change headings, focus, and meta tags to shift it away from the cannibalizing term.
- De-optimise the weaker page - if you want to keep both but one is cannibalizing, remove the keyword from the title, headings, and body of the page you want to rank less for that term.
Preventing cannibalization going forward
Before writing any new piece of content, check whether you already have a page covering that keyword. Maintain a simple keyword map - a spreadsheet or Notion table - that assigns each target keyword to exactly one page. Every new article should occupy a clearly distinct keyword space.
A Seops audit flags duplicate content and keyword overlap issues automatically, so you can catch cannibalization problems before they compound. Combine this with our on-page SEO checklist to ensure every page is optimised for its assigned keyword and nothing else.