Complex sentence: Since control characters have no function in HTML, web browsers tend to use Windows-1252 rather than ISO-8859-1, although UTF-8 has succeeded both encodings in terms of popularity on the Internet.
Split into simpler sentences: Since control characters have no function in HTML, web browsers tend to use Windows-1252 rather than ISO-8859-1. Later, UTF-8 has succeeded both encodings in terms of popularity on the Internet.