Send the following on WhatsApp
Continue to ChatQuery : Append encoding information to HTTP response headers I have an old web application (not maintained anymore) of which a small part is still needed; this is displayed in iframes. Unfortunately, https://vmapp.org/query/120015/Append-Encoding-Information-To-HTTP-Response-Headers-I-Have-An-Old-Web-Application-Not-Maintained-Anymore-Of-Which-A-Small-Part-Is-Still-Needed-This-Is-Displayed-In-Iframes-Unfortunately/