[Yours]

This was found on their terms page:

3) The client understands that even if the visitor closes the window before it completely loads due to slow loading, large graphic files or general lack of interest, that it will still count as a delivered visitor on our system as we have sent the user to your site and therefore fulfilled our obligation.

4) Client understands that the statistics system utilized by I-Web-Marketing will serve as the official record of traffic delivered.
7) Note that our guarantee for traffic is for traffic delivery only. We cannot guarantee conversions, sales or the overall success of any advertising campaign. The success of any marketing campaign is based on many factors including the content used by the advertiser for the campaign, the market saturation level for your particular offer as well as a host of other factors.

I wouldn't want to be willing to TRY this service even if they payed me lol