CatMovie.com was primarily known as a popular platform for downloading movies and web series (often operating in the "gray area" of copyright), 2021 was a massive year for the site's traffic due to the explosion of OTT content.
: A heartwarming drama that eventually won the Oscar for Best Picture. Rotten Tomatoes catmoviecom 2021 top
However, a quick clarification: There is no widely known major site or movie database called from 2021. It’s possible you mean one of these: CatMovie
Cat meowing along to a song. Text on screen: #2 – Singing Sensation catmoviecom 2021 top