For years i've been able to redirect a webpage to some html content that is hardcoded in base64, either using the mete refresh tag like this: <html> <head> <meta http-equiv="refresh" content="0;url=data:text/html;base64,PCFET0NUWVBFIEhUTUw+CjxodG1sPgogICAgPGhlYWQ…