Global Content

• List of pages on the site
• List of pages in the navigation
• List of primary features for the website
• Logo

Specific Content - pretty much always needed

• Content for main pages, like home page
• Contact information, such as email address for contact form
• Social media URLs

Specific Content - not always needed

• Privacy policy
• Terms and conditions

Credentials

• Login credentials for existing website dashboard
• Hosting and/or FTP login credentials
• Info for SSL (if applicable)
• Google Analytics (or other analytics credentials)

Store credentials in a secure and team accessible location, such as 1Password or LastPass.