In fact, there are quite a few advantages. If we talk in general, the custom web development and implies by its name that you get a unique product, not like the template and not flexible projects. If you want to know about all the advantages and in general find out a little more information about it, I recommend you to go to https://peiko.space/service/web-development-services. I think that you will be able to find good specialists here, who will be suitable for you to cooperate with.