WordPress customizer is a tool which allows you to change the look and feel of your website. You can see the changes live as you edit the options. To open it, go to Appearance > Customize.

Site Identity

This is where you can set different things:

  • Upload a site logo.
  • Set the Site Title and Tagline.
  • Upload the site icon (favicon) which used as a browser and app icon for your site.
Color

Here you can change the theme colors.

Here you can create a new menu, add links to it set the menu location.

Widgets

This will help you control the supported widgets in the site footer, you can add a new widget or remove one.

Homepage Settings

Here you can set the homepage for your website. It could be the blog page with a list of posts, or it could be a page like the about page for example.

Additional CSS

This is a great place if you want to add more CSS styling to your website.