Official statement
When a canonical tag points from a product page to a category page, the signals (links) are transferred, but the content of the product page is completely ignored. Only the content of the category page is indexed and used for ranking.
Other statements from this video 18 ▾
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- □ Is it true that adding a second internal link to a page is pointless for SEO?
- □ Are Navigation Links Really That Different for SEO?
- □ Why are internal PageRank micro-optimizations ineffective for SEO?
- □ How does anchor text hold more weight than the number of internal links?
- □ Is the author really that important for SEO of non-critical content?
- □ How does Google really handle infographics for SEO?
- □ Why is contextual text crucial for your graphs in SEO?
- □ Why should you prioritize HTML tables for indexing specific values?
- □ Should you really mark every product with structured data on category pages?
- □ Should you rethink the use of structured data for SEO?
- □ Why does geographic targeting take a week in Google Search Console?
- □ Should You Always Optimize the Length of Titles and Descriptions?
- □ How does Google change meta descriptions based on user queries?
- □ How does a clear HTML structure impact the display of sitelinks?
- □ Why are 1:1 redirects essential for a seamless domain migration?
- □ Is there really no delay between Google's crawling and indexing?
- □ Could separate mobile sites be the reason your indexing is slowing down?
Official statement from
(5 years ago)
⚠ A more recent statement exists on this topic
How Does Google Really Evaluate Category, Filter, and Tag Pages?
View statement →
TL;DR
A canonical tag pointing from a product page to a category transfers signals but ignores the product content. Only the category gets indexed. Your product content becomes invisible.
🎥 From the same video 18
Other SEO insights extracted from this same Google Search Central video · published on 09/07/2021
🎥 Watch the full video on YouTube →
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