SEO on-page
Tag canonical
Perché è importante
The canonical tag tells search engines which URL is the preferred version of a page. Without it, or with a wrong one, duplicate URLs (with parameters, http/https, www) can split signals or the wrong page can be indexed.
Come risolvere
- Add <link rel="canonical" href="…"> with the full preferred URL on every indexable page.
- Point it at the page itself unless the page is a true duplicate.
- Use only one canonical tag, and keep it the same in the raw HTML and after JavaScript runs.
Verifica con
- Canonical Tag Checker – Check a page’s canonical URL, whether it resolves, and if it conflicts with other signals.
Punteggio: un controllo superato ottiene tutto il suo peso, un avviso metà e un errore nulla. Come funziona il punteggio SEO