Is it necessary to set a Content-Type in Node.js?

Question

Just started playing with Node.js and after seeing a few examples I see that usually the Content-Type is set before returning some content.

Usually somethin

Answer 1

The Content-Type header is technically optional, but then you are leaving it up to the browser to essentially guess what type of content you are returning. Generally you should always specify a Content-Type if you know the type (which you probably do).