Sadly, That is only readily available on Symfony pages, For the reason that legacy method doesn’t have any way to get the list of hooks dispatched for the website page. Canonicalization, Alternatively, bargains with duplicate or equivalent articles across multiple URLs. A canonical tag (rel=canonical) put in the HTML header https://bookmarkity.com/story17560950/top-guidelines-of-tags-autom%C3%A1ticas-hreflang-e-tags-can%C3%B4nicas-seo