Review
A canonical tag, often written as `rel=canonical`, is a vital HTML element that helps search engines understand the preferred version of a webpage. When you have multiple URLs with identical or very similar content, such as different versions for tracking or pagination, the canonical tag tells Google and other search engines which version is the definitive source. This prevents issues like duplicate content penalties, consolidating link equity and ensuring that the most important page ranks effectively in search results. Implementing proper canonicalization is a crucial technical SEO practice for maintaining a healthy and discoverable website structure.