Can I use an iPad2 & this cable to watch tv shows that are found online (like on a network's website)? Can I just surf safari?

I have Hulu & netflix streaming to my tv through a roku, but some shows are "web-only." Can I just connect my iPad2 to the tv with this cable and then watch shows found on cbs.com, etc?

Apple Composite AV Cable

Apple Composite AV Cable

Product No Longer Available

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