Yes, you can add a logo and favicon to your Google Sites to personalize your site and enhance its branding. Here's how you can do it:

Add a Logo:

• Click on the "Insert" tab in the top menu of your Google Site.

• Select "Image" and choose the logo file from your computer.

• Position and resize the logo as needed.

• Click "Save" to add the logo to your site.

Add a Favicon:

• Click on the "More" (three dots) option in the top right corner of your Google Site editor.

• Select "Page settings" from the dropdown menu.

• In the "Page settings" panel, click on "Favicon" under the "Appearance" section.

• Upload your favicon image (should be a square image, ideally 16x16 pixels).

Click "Save" to apply the favicon to your site.

Adding a logo and favicon can help make your Google Site look more professional and branded.