Panel Branding
Set your own logo image, text in the browser's title bar, or apply a custom branding theme.
1) Login to Plesk control panel.

2) Click Tools & utilities and then Click on Panel Branding.

3) There you edit as marked in RED.
Brand your Panel interface in these three ways: (1) Change Panel page titles that appear in the browser's title bar. (2) Replace the Panel logo in the top-right corner of Panel pages. (3) Apply a custom Panel theme.

