If you wish to established a tailor made canonical URL for a selected product or service, category, CMS, company or provider web site, then go to the configuration of the webpage, pick the choice "Customized URL" and produce the customized canonical url of the selection. Rel=canonical should really only show https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html