Keyword cannibalization
When multiple pages on your site compete for the same keyword.
What is Keyword cannibalization?
Keyword cannibalization occurs when multiple pages on your website target the same keyword or search intent, causing them to compete against each other in search results. This can confuse search engines about which page to rank and split ranking signals between pages.
Common causes include blog posts covering similar topics, product pages with overlapping descriptions, and programmatic SEO pages targeting similar keyword variations.
Why Keyword cannibalization matters
Cannibalization dilutes your ranking potential. Instead of one strong page ranking well, you have multiple weaker pages that may rank lower or fluctuate. It's especially problematic for programmatic SEO at scale.
How to implement
Audit site for pages targeting same keywords
Use keyword mapping to assign one page per keyword
Consolidate similar pages via redirects
Differentiate content with unique angles
Use canonical tags for intentional variations
Create a content hierarchy that avoids overlap
Common mistakes to avoid
- Creating new posts without checking existing content
- Having category and blog pages target same terms
- Not mapping keywords to specific pages
- Scaling pSEO without checking for overlaps
Examples
Two blog posts: 'SEO tips' and 'SEO best practices' competing
Category page and pillar page targeting same term
Multiple location pages with same service keywords
Frequently asked questions
Search 'site:yourdomain.com keyword' to see competing pages. Check Search Console for keywords where multiple URLs appear. Look for rankings that fluctuate between pages.
Options: consolidate pages (301 redirect weaker to stronger), differentiate content to target different intents, or use canonical tags to indicate preferred page.