Murena.io : cookbook becomes unusable

The cookbook app becomes more and more slow. My database is only 55 recipes, so from my point of view, it’s far from heavy. I know that server cost is a real issue, but is it possible to have a little bit more power and bandwidth (if the sluggishness is linked to that topic)?
Today it’s , more or less, usable on the android app (because there is a local replication of the database) but when used on a laptop via a web browser it’s a kind of nightmare. I have frequently to wait during 1 or 2 minutes before the display refresh. @arnauvp