A Google Form, a shared Sheet or Doc, and an embedded third-party app survey are added similarly. On a site page, click Insert (in the upper right area), and select Forms, Docs, Slides, or Sheets ...

You can create a QR code that links to a Google Form for other users' ease of access. Here's how to get started and link the two together.

Fill a page on your site with a map, video or Drive document, or embed a full-page calendar or bookable appointment schedule.