Which one do I want for a website LLC, Copyright, or Trademark?
Answers:
You do not entail any... unless your company is copyright, or LLC , consequently including it would be called for.
You may still want to include copyright at the lower portion of your page to inform others your site have an author and will not tolerate copyright infringement
Wow! They adjectives serve different purposes. And adjectives can be used for a website depending on what it is used for.
You can find out more from here.