[Xelbair]

>But even if you pay for a month placement on a given site, the ad buyer is still going to want an estimate of how many legitimate viewers see/saw your ad.

yes, you might WANT that. but you do not NEED that. Remember that ad's isn't only effective when clicking on it, but also by spreading visibility of your offer/product.

you could easily use sites visitor count as a estimate for monthly pricing. And frankly without all tracking there would be no incentives to fake click on ads at all, so you could get your own tracking on your own side.

[ghaff]

If I can't tell with some degree of assurance whether you have 1K viewers per month or 1M viewers per month (never mind uniques), I'm probably not going to pay for ad on your site.