Billboard Hot 100 - Wikipedia
https://en.wikipedia.org/wiki/Billboard_Hot_100The Billboard Hot 100 is the music industry standard record chart in the United States for songs, published weekly by Billboard magazine. Chart rankings are based on sales (physical and digital), online streaming, and radio play in the U.S. A new chart is compiled and released online to the public by Billboard website on Tuesdays but post-dated to the following Saturday, when the printed magazine first reaches newsstands. The …