Canonical URL

A canonical URL is a tag or directive used to indicate the preferred or canonical version of a web page. Canonical URLs are important for SEO, as they help prevent duplicate content issues and consolidate link equity across multiple pages. Canonical URLs are often used in situations where a website has multiple versions of a page, such as a printer-friendly version or a mobile-friendly version. By specifying the canonical URL, website owners can ensure that search engines understand which version of the page is the primary or canonical version.