If this is your first site, start with the first-site checklist. It narrows the work to one working visitor journey, which keeps a first launch small enough to finish.
Then pick the guide that matches what you are publishing. A waitlist or landing page needs a clear offer and a working form; a funnel adds an email sequence and delivery; a blog needs a CMS whose item limits and yearly cost suit how often you will post. The landing page and blog comparison guides help you choose the tool before you build.
Each build guide ends with pre-launch checks. Run them on a phone as well as a desktop, and submit your own form before you share the link.