I wonder how many customers they have. If it is more than ten, they could be lying to someone. This means that it can take them forever to download. You don't want someone to finally find your page with a search engine and then get tired of it trying to download and click off before you have a chance to get your message out. Banners tend to compound this delay.
Load time is why.
If you want to use pictures, we have to squeeze them, compact them, and convert them until we make them a reasonable size. We became an authorized NetZero source when they were in their infancy and installed NetZero for fee for a few people. Recently, NetZero has said that they do not want anyone charging anyone, anything for installing their product. It is free. We can certainly understand that, but it seemed like the people who needed the free service were exactly the same people who did not have the ability to install it themselves.