Having never used Dillo before, I just installed it and tried it. And then I found out that it does not support JavaScript at all. There aren’t many or any sites/apps that I regularly use that would work without JavaScript. That limits its usefulness.
If a website needs javascript to be usable, this is a bad website and should be avoided.
If it is a webapp, it should provide an API so you use it using your own cli/tui/desktop/mobile client, otherwise it is a bad web app and should be avoided.