--- Supergirl Season 1 Complete 720p Web-dl En-sub X264 ~upd~ ✦ 〈PREMIUM〉

This is a highly efficient video compression standard. It ensures that the video remains clear even at lower bitrates, which is essential for maintaining detail in high-action superhero sequences.

In an era where streaming services constantly rotate their libraries and alter video quality based on internet speed, owning a digital copy ensures consistency. --- Supergirl Season 1 Complete 720p WEB-DL EN-SUB X264

It sounds like you're looking at a 720p WEB-DL digital release of Supergirl Season 1 This is a highly efficient video compression standard