HTML Multiple Heads

Question

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NOTE: I am in no way advocating multiple heads within a page

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I\'m using Apache Tiles and I have a few tiles that include their own heads

Answer 1

How is the resulting page handled in IE and Chrome? [It renders and appears successful]

I don't know and I really don't want to know.

What is the best practice for dealing with multiple heads [for CSS/Javascript] without having to demand all pages use the same JS and CSS.

Don't do it :-)

Is there a reason you can't just include the JS files in the body / head without the extra tags?

Or add the css / js files in the 'normal' head section of the document (where it should be).

Well atleast you want the CSS files to be loaded as soon as the page starts loading. JS files can (sometimes) be loaded at the end of the HTML.
For example if the JS files need to have a completely loaded DOM (for e.g. accessing DOM elements).

Note

Sorry this isn't really an answer to your question, however what you are doing just looks way bad. :) And is almost certainly not needed / there will be a better solution for it.