While Google includes this for security and transparency—to ensure users know they aren't interacting with an official Google product—it can be a major eyesore for developers trying to create a professional, branded experience.
Using a service like or a simple Node.js/Express server, you can fetch the HTML content from your Google Apps Script, strip out the Google-injected header tags, and serve the cleaned HTML on your own custom domain. Pros: Complete removal of the banner; professional URL. Google Apps Script is designed for quick internal tools
Google Apps Script is designed for quick internal tools. For client-facing applications, developers often migrate their logic to or Firebase Hosting . Method 3: Switching to Google Cloud Run (The
Allows you to run code in any language (Python, Node.js, Go) without any forced headers. Go) without any forced headers.
Method 3: Switching to Google Cloud Run (The Professional Path)