Magento is an open source e-commerce platform used by more and more clients. However, one of the most common weaknesses of Magento sites is how the platform creates duplicate pages by creating multiple URLs that display the same content.
Despite common beliefs, Google no longer actively punishes you for duplicate content on a working site. However, duplicate content can affect the way search engines crawl and index your website, which can hinder your site's performance in organic search.
Impact of duplicate content on SEO
Simply put, websites with duplicate pages do not perform as well as you would expect in search results for searches related to the content of duplicate pages. Duplicate pages can confuse search engines about the version to display in search results, and can exclude one (and possibly both) pages from Google's index.
This is Google's view of duplicate content by Matt Cutts, the former head of web spam.
"Duplicate content issues are rarely related to penalties. It's Cork Bicycle Repair Zone important that Google knows which pages should be ranked and which shouldn't. Google has the same query. I don't want searchers to see the same content. They like to diversify their results to searchers. "
There are exceptions to the rules, but the most likely thing to be ranked high in Google results is to avoid duplicate pages on your site. Instead, aim to create one page for each topic and post your own content specifically created around that topic.
Common Causes of Magento Duplicate Content
URLs for multiple product pages
By default, Magento configures the URL of the product page according to the category to which the product was added. Therefore, if a product is added to multiple categories, it means that the same product can be accessed from multiple URLs, depending on the added category.