Keyword cannibalization is a big search engine optimization problem. And many small businesses don’t even realize they have this problem. They go about writing content that targets specific keywords for their business. But over time their website has a lot of content that targets the same keyword (or very close variants) and the result is Google can’t decide which one to show. When that happens, it shows a weaker or less useful one. The result is your content competes with itself for rankings.
What is Keyword Cannibalization?
The goal of search engine optimization is to enable search engines to understand the content on a website and serve up the best results for a search query. Keyword cannibalization can prevent search engines from doing that.
Keyword cannibalization (or content cannibalization) happens when several pieces of content compete (intentionally or not) for the same search keyword or very close variants, often because they cover similar topics or target the same user intent. When two pages (or more) compete for page rank for the same keyword, it becomes difficult for Google to decide which page should rank for that particular keyword. This could prevent either page from ranking for the target keyword, resulting in reduced traffic and, subsequently, fewer conversions.
In that scenario, instead of one strong page for that keyword, you end up with several “okay” pages, and Google might struggle to pick which one is most relevant.
Examples of how this happens:
- You have two blog posts titled “Best Roofing Tips 2024” and “Top Roofing Tips for Homeowners” — both optimized around “roofing tips.”
- You publish a new version of a page but don’t redirect or retire the old version.
- You have category pages and subcategory pages too similar (e.g. “Plumbing Services” vs “Residential Plumbing Services”) that overlap in keyword targeting.
Negative Consequences on Your SEO
Many small businesses don’t realize that their visibility is suffering from the negative effects of keyword cannibalization. You may think you would have better odds of ranking for a keyword if you have multiple pieces of content optimized for it.
But SEO is not roulette. When you play roulette, the more numbers you have covered on the board, the more likely you will win (although you may not be profitable!). But that doesn’t apply to SEO. The more pages you have targeting a keyword, the more harm you could do to your SEO.
An this is why:
- Pages on your website are separate entities with its own authority and page ranking. This means your pages are competing for search engine visibility if they are trying to rank for the same keyword.
- The ranking page might not be relevant to your audience. If Google can’t figure out which page is the one that should rank, it may show a less relevant page. This will hurt your conversions and potentially have a negative impact on the visitor’s experience.
- If you do have keyword cannibalization on your website, it can devalue your content. Multiple pages trying to rank for the same keyword tells your users that you’re stretching your content pretty thin. This will send a message that you are not an authority in your industry. And will lessen your ability to attract your target audience.
- For those looking to link to your content, having multiple pages for the same keyword will lower the chances of them doing so. And if they do, links pointing to your website will be split across several pages.
How to Find and Fix Keyword Cannibalization
Run a Content Audit
A content audit can help identify content that targets the same or similar keyword phrase. A content audit is a thorough review of all the pages, blog posts, and resources on your site to see what’s performing well, what’s outdated, and where you might have overlap or gaps. In addition, you want to review each piece for its accuracy, freshness and relevancy to your target.
The goal is to identify which content supports your SEO and business goals and which content might be holding you back. During a content audit, you’ll collect data on each page (like traffic, backlinks, rankings, and conversions), assess keyword targeting, and evaluate content quality. From there, you can decide what to keep, update, merge, or remove. Regular content audits help maintain a clear, organized website where every page has a purpose, improving search visibility, user experience, and overall content effectiveness.
Restructure Your Website
When you complete your audit, you will be able to identify which pages need attention.
- Consolidate and Merge Pages – For similar content, merge and rewrite the pages, maintaining the best of both. Pick the version that is already strongest (rankings, links, engagement) and merge the content, adding any valuable pieces from the other pages. Then redirect the old ones to the merged page (using 301 redirects).
- Create Topic Clusters – If the content is unique but still focuses on the same keyword phrase, create topic clusters. This will help you organize the content better. This also creates strong interlinking across all this content, helping visitors find a more complete reference to their search.
- Re-optimize or Refocus Pages to Different Keywords and Intents – If the content is valuable, rewrite and reoptimize. At a minimum, this would include changing the title and meta description and optimizing the content to target a new phrase. If you change the URL of the content, decide where you should redirect the old URL. If the old URL contains the original keyword, redirect to the other page.
- Noindex or Remove Low-Value Pages – For content that is old and out of date, you can either add a noindex tag to that page (so search engines won’t consider it) or remove it from your website. If you remove the page, redirect the old URL to content that is newer and fresher.
Further reading:
5 Simple Steps to Perform a Comprehensive Website Content Audit
Topic Cluster Content Strategy: Simplify Your Approach, Improve SEO
How to Prevent Keyword Cannibalization in the Future
Create a Content Marketing Strategy
Keyword cannibalization is considered primarily for SEO and organic traffic, but it can also affect your PPC campaigns. Not only can it hurt your visibility, it can cost you precious ad dollars. Creating a content marketing strategy that organizes your content and keywords can help you be more efficient.
For each keyword that is important to you, figure out which page you actually want to rank for this search term. And if you are running a PPC campaign, make sure you aren’t bidding on the same keywords across multiple campaigns or are competing with your organic results. This competition could inflate your bids.
Further reading:
Why Content Marketing is Important for Small Business Growth
Perform Intent-based Keyword Research
If you find that your content is optimized for the same keyword over and over, look for other relevant keywords. Also know that keywords can have multiple meanings. So, when you search for new target keywords, understand the searcher intent when someone uses a particular keyword phrase.
There are four major intents or moments:
- Informational – I want to know something – blog posts
- Educational – I want to do something – videos, tutorials, how-to articles
- Navigational – I want to go somewhere – citations, directions
- Transactional – I want to buy something – in-store or online, delivery
When forming a search results page for a certain keyword, Google takes into account the intent behind this keyword. The search engine analyzes what type of queries people use. Depending on whether the user stays or bounces from the result will determine whether your content satisfied the query.
When Google forms a search results page for a certain keyword, it takes into account the intent behind that keyword. The search engine looks at what type of queries people use. Depending on if the user stays or bounces from the result will determine whether your content satisfied the query.
So when you create new content, be sure to cover the intent. Your content will more likely be seen as the most relevant for that keyword out of your other pages covering a similar topic.
Further reading:
Search Intent: Optimizing Content to Satisfy Customer Goals
Use Canonical Tags
If you have a page that is important to your website and shouldn’t be merged or removed, you can use a canonical tag. By creating a canonical tag from one page to the other, you’re telling Google that while some duplication and similarity exists between the two, the more important page is the one you selected. If you are using WordPress, the Yoast SEO plugin makes it easy to set a custom canonical tag. It is found in the “Advanced” section on each post or page.
Conclusion
Keyword cannibalization is one of those sneaky SEO issues: it’s not flashy or glamorous to fix, but it can hurt your organic performance. The good news is once you spot it, you can clean it up and restore clarity.
As a small business, make sure you plan your content strategy before you start writing. I see many small business blogs that cover the same topic again and again. If you are just starting out, you can be more strategic with your content. But for sites with a lot of content, there will always be some that will need to be evaluated. A solid content strategy will help keep keyword and content cannibalization to a minimum.
