But yeah, it's basically like that but with some more modern features like being able to do this from a browser (no filezilla required!) and better control over HTTP headers and such.
Geocities was enormously popular for good reasons.
However, I don’t think it had the ability to preview a deploy or roll it back with 100% certainty that it will be exactly as was before, which is something you really need when deploying is (too) easy.
But yeah, it's basically like that but with some more modern features like being able to do this from a browser (no filezilla required!) and better control over HTTP headers and such.