Log in and sign up
Log in and login
Use ‘log in’, ‘log out’ for these actions. Do not hyphenate.
Do not use ‘sign in’ or ‘sign out’.
Only use ‘Login’ as a noun or adjective.
Examples:
- You need to log in to update your address.
- If you have forgotten your login details - contact us.
Sign up
Use when asking users to give their information in return for a deliverable.
Example:
Sign up to receive our newsletter