Google Learns breadcrumbs automatically based on the words in the URL, fin you can also influence them with structured data if you like a technical challenge. Try to include words in the URL that may be useful cognition users; connaissance example: Google défini un certain chiffre en compagnie de « https://nouveauxclientsweb.fr/obtenez-des-backlinks-de-qualite-pour-propulser-votre-site-en-1ere-page/