{ "@context":"http://schema.org/", "@type":"BreadcrumbList", "itemListElement": [{"@type":"ListItem","position":1,"item":{"@id":"\/","name":"Home"}},{"@type":"ListItem","position":2,"item":{"@id":"\/disk-storage","name":"Disk Storage"}},{"@type":"ListItem","position":3,"item":{"@id":"\/disk-storage\/ersatzteile","name":"Ersatzteile"}},{"@type":"ListItem","position":4,"item":{"@id":"\/disk-storage\/ersatzteile\/controller","name":"Controller"}}] }

Controller