If it’s the same site, and you’re just changing the domain name you want to use as your primary name, Webflow handles that automatically.
You can just add the new domain on your public site and then set that as your default domain name. Your old domain should remain on the site ( don’t remove it ), Webflow will automatically 301 redirect requests to your old domain, to your new one.
At that point;
start using your new domain in your published links
old links will continue to function fine
search engines will get 301’s on old links, and update gradually
add your new domain as a new domain-property in Google Search Console, so you can begin capturing search data. Register your new /sitemap.xml urls as well in that new property.
We’ve designed the new site as a separate project in Webflow and will be pointing the new domain name to this new site. Does this mean that we’ll need to manually add 301 redirects from the pages on our existing Webflow project?