front door(normal portal page to a website) noun [UK: frʌnt dɔː(r)] [US: ˈfrənt ˈdɔːr]
home page [home pages](main or first page of a website) noun [UK: həʊm peɪdʒ] [US: hoʊm ˈpeɪdʒ]
portal [portals](grandiose entrance) noun [UK: ˈpɔːt.l̩] [US: ˈpɔːr.tl̩]John found a portal to another dimension. = John trovò un portale per un'altra dimensione.