Common causes of duplicate content

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" Google has a lot of information about it here . But basically it's something like this: Intentionally creating multiple pages, subdomains, or domains with large amounts of duplicate content. Publish a lot of scraped content Publish affiliate content collected from Amazon or other sites (no additional value) However, as explained above, even without a penalty, duplicate content can negatively impact your SEO. Common causes of duplicate content There is more than one reason for duplicate content. there are many. Faceted/filtered navigation Faceted navigation allows users to filter and sort items on a page. It is commonly used on e-commerce websites. This type of navigation adds parameters


to the end of the URL. Because there are typically many combinations of these filters, faceted navigation often produces a lot o Australia Phone Number Data f duplicate or near-duplicate content. For example, look at the following two pages. bbclothing.co.uk/en-gb/clothing/shirts.html?new_style=Checked bbclothing.co.uk/en-gb/clothing/shirts.html?Size=S&new_style=Checked Although the URL is different, the content is almost the same. Furthermore, the order of parameters is often not important. For example, you can access the same page from both of the following URLs: bbclothing.co.uk/en-gb/clothing/shirts.html?new_style=check&size=


       


XL bbclothing.co.uk/en-gb/clothing/shirts.html?size=XL&new_style=check How to solve this problem Faceted navigation is a complex beast. If you think this is the cause of your duplicate content issue, please read this article . tracking parameters Parameterized URLs are also used for tracking purposes. For example, you can use UTM parameters to track visits from a newsletter campaign in Google Analytics. Example: example.com/page?utm_source=Newsletter How to resolve this issue Normalize the parameterized URL to an SEO-friendly version without tracking parameters . Session ID A session ID stores information about a visitor. Typically, you would append a long string to the URL, like this: Example: example.com?sessionId=jow8082345hnfn9234 How to resolve this issue Canonicalize the URL to an SEO-friendly version .