Since you are hosting the environment, Google does not inject any security banners. Why Does Google Put It There?
If you want to completely strip the banner, you cannot host the app on Google’s servers directly. Instead, you can use a "proxy" or a middle-man server.
If branding is paramount, move your project to a dedicated hosting platform like Firebase or Vercel. Since you are hosting the environment, Google does
Use code with caution.
While the banner still technically exists inside the iframe, it stays contained within that frame. If you style your website correctly, the banner feels less like a "system warning" and more like a small footer or header element within a specific window. Method 2: Using a Custom Domain with a Proxy (Advanced) Instead, you can use a "proxy" or a middle-man server
Embed it into your own site to make it feel like part of a larger dashboard.
How to Remove the "This application was created by a Google Apps Script user" Header While the banner still technically exists inside the
The short answer is . There is no "off switch" in the Google Apps Script settings to hide this banner.
Use the following HTML code on your own website:
Because the web app is hosted on the ://google.com domain, Google injects this iframe header as a security measure to prevent phishing and spoofing. Even with a Google Workspace (formerly G Suite) Business or Enterprise account, the banner remains.