Search engines don’t index 4XX pages as they don’t do the job. Because of this, they’ll disregard any canonical tags pointing to these kinds of pages and sometimes turn out indexing the incorrect (non-canonical) Edition of the web page. This feature is particularly practical for selling purchases. The text and placement https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html