It seems that template they use is just terrible.

It is not trivial for this service how your website looks. It should provide some confidence that you know what you are doing.

Thank you both for the usability feedback, on both the performance and the UX side. We will absolutely take that into account in future iterations. And agree 100% with performance testing!

Btw, I dont think the site is terrible. The lagging made it hard for me to learn more about the product. Hope it didnt come off as snarky