Yes, and good riddance; a GET request for a given URL should return bit-for-bit identical results[1] regardless of browser differences[0]. 0: Explicitly statef

Yes, and good riddance; a GET request for a given URL should return bit-for-bit identical results[1] regardless of browser differences[0]. 0: Explicitly stateful features such as API endpoints or "logged in as" fields aren't browser differences. 1: The resulting file, not necessarily the TCP stream used to transfer it. 2: Yes, there are exceptions (eg http://canhazip.com/more http://canhazip.com/more), but documentation is almost the diametric opposite of being one of them.