Although we are still starting our service already has reached a great complexity to be able to deliver all the inbuilt functionalities. As you only have cataloged a decent number of objects everything should be fine though. But if you have multiple thousands of objects in your collection the handling might get very hard for your browser – especially if you are using the system on an older computer or tablet.
We are continuously investigating on smart strategies to optimize the handling of incredible huge collections. Thanks for being patient with us.