Okay, to be blunt and straight to the point, I'm no newcomer to web development, so please don't talk "down" to me

Concerning the double meta refresh, when viewing our source code, they can easily see that, how does one hide it? I was thinking of obscuring it, but that would raise a red flag. What about creating a loop of iframes, so the companies get so tired from going deeper and deeper, they give up?

Because meta refreshes are so visible, how does the php header("Location: url"); function differ? Will it remove the referrer, get a new one, or just pass along the old one?

Regarding actually testing to see if our methods work, what's a viable way? Using Firefox's "Page Info" seems a little novice, as I'm almost certain eBay/Amazon use a much more proficient way, or do they just use