“Like any textual markup language, XML is verbose.
There is a lot of “redundant” data in an XML document, including
white space, and element and attribute names. XML documents are
therefore a prime candidate for compression.”
“Two potentially useful products were mentioned, XMill and
XMLZip. Both of these are general purpose XML compression tools.
Mark Baker suggested that, because HTTP supports compression
through its Accept-Encoding and Content-Encoding headers, there’s
no need to wait for a standard…”
“A binary encoding for XML is another means by which file sizes,
and ultimately bandwidth, could be be reduced.”