The Header configuration identifies the path to your store logo and specifies the logo alt text and welcome message.
Header configuration settings
Configure the header
On the Admin sidebar, go to Content > Design > Configuration.
Find the store view that you want to configure and click Edit in the Action column.
Under Other Settings, expand the Header section.
Make any changes needed for the store view:
When complete, click Save Configuration.
|Identifies the path to the logo that appears in the header. Supported file types: PNG, GIF, JPG (JPEG)
|Logo Attribute Width
|The width of your logo image in pixels.
|Logo Attribute Height
|The height of your logo image in pixels.
|The welcome message appears in the header of the page and includes the name of customers who are logged in.
|Logo Image Alt
|The Alt text that is associated with the logo.