I'd probably just use WWW::Mechanize::Chrome to run a little bit of JavaScript to find the widest element on a rendered page.

Update: example JS code(not mine), note that you'll want to alter the selector to be a child element of the body tag. examples/javascript.pl.

In reply to Re: How to processing each node in an HTML page by marto
in thread How to process each node in an HTML page by nysus

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