URL：https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https://substack-post-media.s3.amazonaws.com/public/images/1b143a39-0445-4906-baca-25633217e5c0_1539x1536.jpeg
掲載元：https://blog.bytebytego.com/p/ep66-comparison-of-url-uri-and-urn
