XML source + XSLT can be considerably more compact than the resulting transformation, saving on hosting and bandwidth.
The Internet saves a lot more on storage and bandwidth costs by not shipping an XSLT implementation with every browser than it does by allowing Joe's Blog to present XML as an index.
alt Hacker News
The Internet saves a lot more on storage and bandwidth costs by not shipping an XSLT implementation with every browser than it does by allowing Joe's Blog to present XML as an index.