When it first launched we talked to the guy who made it (pretty sure it started as a side project) and IIRC it was backed by a relational database with every bl

When it first launched we talked to the guy who made it (pretty sure it started as a side project) and IIRC it was backed by a relational database with every block being a row and a lot of joins that make up a page. Hopefully they've optimised it since then, but if that's still the architecture it's going to be hard to get performant.