How to create a website building platform?

Question

css

What technologies and knowledge are required to create such a service:
lpgenerator.ru

Answer 1

That's all that you listed in the question tags, plus any server application (for example, PHP + Mysql), this is the most manial option. If you wish, you can tie a lot of all sorts of technologies, the question is the number of hours allocated for this and skills.

Answer 2

Knowledge of the theory and at least the slightest understanding of web technologies)