Canonical Tag

Canonical tags tell search engines which version of a page is the main one. They help fix duplicate content problems. Many websites have the same content on different URLs. For example, with www and without, or with tracking parameters. The canonical tag points to the preferred URL. This skill guides you on setting up canonical tags and 301 redirects. It covers HTTPS security and multi-language setups. Anyone managing a website can use this to improve search engine rankings.

Duplicate content hurts your site's visibility. Search engines might not know which page to show. Using canonical tags and redirects solves this. The skill explains when to use which method. It also gives code examples for Next.js, HTML, and server configs. You can quickly fix common SEO issues.

Always use absolute URLs in canonical tags. Avoid chaining them. This skill also checks project context to match your site structure. It makes technical SEO easier and clearer.