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What is Canonical Tag and Its Usability?

A canonical tag is a piece of HTML code that is used to tell search engines which URL should be considered the main or canonical version of a particular webpage. This is particularly useful when a website has multiple pages with similar or identical content, as it helps to avoid issues with duplicate content.

The canonical tag is placed in the head section of a webpage and contains a link to the preferred URL for that page. When search engines crawl the page, they see the canonical tag and understand that the specified URL is the primary version of the page, and any other URLs with similar content should be considered duplicates or variations.

The main usability of the canonical tag is to prevent duplicate content issues and consolidate the ranking signals for similar or identical pages. It helps to ensure that search engines don't penalize your website for having duplicate content or distribute ranking signals across multiple pages. Additionally, it can also help to improve the crawl efficiency of your website, as search engines will only index the canonical version of a page and ignore any duplicates.

In summary, the canonical tag is an important tool for managing duplicate content and ensuring that search engines properly understand the structure of your website.

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