Canonical Meta Tag
Some search engines penalize websites that have multiple URLs that point to the same content.
The canonical meta tag tells search engines which page to index when multiple URLs have
identical or very similar content. Using the canonical meta tag can improve your site ranking
and aggregate pageviews. The canonical meta tag is placed in the
category page. It provides a link to your preferred URL, so search engines will give it greater
Example 1: Category Path Creates Duplicate URLs
For example, if your catalog is configured to include the category path in product URLs, your
store will generate multiple URLs that point to the same product page.
Example 2: Category Page Full URL
When canonical meta tags for categories are enabled, the category page of your store includes a
canonical URL to the full category URL:
Example 3: Product Page Full URL
When canonical meta tags for products are enabled, the product page includes a canonical
URL to the domain-name/product-url-key because product URL keys are globally unique.
If you also include the category path in product URLs, the canonical URL remains domainname/product-url-key.
However, the product can also be accessed using its full URL, which
includes the category. For example, if the product URL key is microfiber-sofa-sleeper and is
assigned to the Furniture > Living-Room category, the product can be accessed using either
You can avoid being penalized by search engines by omitting the category from the URL, or by
using the canonical meta tag to direct search engines to index either by product or category. As
a best practice, it is recommended that you enable canonical meta tags for both categories and
To enable the canonical meta tag:
1. On the Admin menu, select System > Configuration. Then in the panel on the left under
Catalog, select Catalog.
2. Click to expand the Search Engine Optimizations section.
3. If want search engines to index only pages that have a full category path, do the following:
a. Set Use Canonical Link Meta Tag for Categories to “Yes.”
b. Set Use Canonical Link Meta Tag for Products to “No.”
4. If you want search engines to index only product pages, do the following:
a. Set Use Canonical Link Meta Tag for Products to “Yes.”
b. Set Use Canonical Link Meta Tag for Categories to “No.”
5. When complete, click the Save Config button.