Many web developers uses meta http-equiv tag, without solid understanding what does it means. http-equiv stands for: hypertext transfer protocol equivalent and is equivalent to HTTP response header. So putting: <http-equiv="content-type" content="text/html; charset=UTF-8"> <META http-equiv="content-type" content="text/html; charset=UTF-8"> in HTML as meta TAG has the same effect as declaring HTTP response header Content-Type: text/html; charset=utf-8 That is why they are called ‘equivalent’. It is recommended to use HTTP header over HTML http-equiv meta tags. Multiple headers with the same name may be present only if the values may be concatenated.
World observations