Everything you've made on Tilda can be easily exported to your server by copying the source files.
Great for high-loaded projects. This feature allows you to have full control over your project. It also enables you to make changes to the very source of the page in case you want to do something special.
The evaluation of a good visual communication design is mainly based on measuring comprehension by the audience, not on personal aesthetic and/or artistic preference, as there are no universally agreed-upon principles of beauty and ugliness.