サイト (saito) means “website” | MotiTan Japanese Dictionary

More examples

必要な情報があるか、まずサイトを確認します。hitsu yō na jō hō ga a ru ka ma zu sa i to o kaku nin shi ma su

I first check the website to see whether it has the information I need.

Describes an online place where information or services are presented through connected web pages.

ウェブサイトwebusaito: A group of related web pages made available on the internet.
ホームページhōmupēji: A Japanese term for an online place used to share information about a subject or service.

インターネット上で情報やサービスを提供するページやページ群。i n tā ne tto jō de jō hō ya sā bi su o tei kyō su ru pē ji ya pē ji gun

サイト (saito) is borrowed from English site, meaning a website; English site comes from Latin situs, "position" or "place."

In English, site can mean a physical location as well as an online place, while website makes the online meaning explicit.