While the "300" in the name was the site's trademark, 2021 also highlighted the limitations of such aggressive compression. As smartphone screens became sharper (Full HD and 4K) and home theater systems more common, the artifacts, blockiness, and tinny audio of a 300MB file became more noticeable.
Downloadhub is a popular, though unofficial, website known for providing movies and TV shows in various compressed formats, most notably the category which became a hallmark of the site around What is Downloadhub 300MB?
Understanding Downloadhub 300 2021: The Evolution and Risks of File-Sharing Platforms