Google Sites (the modern version) can embed a GAS web app via an “Embed” URL block. When embedded, the surrounding Site interface does not display the Apps Script footer inside the embedded pane, though it appears briefly during initial load.
Create a new project or select an existing project tied to your business or organization. Copy the from the main dashboard. Step 2: Link Your Apps Script to Google Cloud Open your project in the Google Apps Script Editor . Google Sites (the modern version) can embed a
: The footer is visually clipped or appears outside the viewport, effectively hidden without code modification. This is the simplest zero-infrastructure solution. Copy the from the main dashboard
function doGet(e) return HtmlService.createHtmlOutputFromFile('index') .setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL); This is the simplest zero-infrastructure solution
For a quick solution, you can install a browser extension that removes the banner. One such extension is “Google Apps Script WebApp Warning Remover” for Firefox. It simply hides the top warning on Apps Script web app pages.
If you are using a free @gmail.com account to share an Apps Script web app with the public, you cannot remove the warning. You must upgrade to a Google Workspace account or migrate the project to a GCP project under a verified domain.
For organizations building internal tools or customer-facing applications, this message can appear unprofessional, cause confusion among end users, or conflict with branding guidelines. This paper investigates the feasibility of removing this notice and presents documented alternatives.