Maximizing revenue by exposing your channels to the right ad...

As you may know, you can set up your custom channels so that they're
targetable by advertisers - these targetable custom channels are known
as ad placements. By selecting the 'Allow advertisers to target this
channel' checkbox on the channel creation page, you can enable brand
advertisers to target their content to your audience directly on a CPM
or CPC basis.Creating ad placements allows them to show up in AdWords,
so that advertisers who create placement-targeted campaigns can include
your content directly. What many publishers don't know is that this
also makes your content available to Google's internal sales teams, who
work closely with many advertisers looking to target a certain audience
or type of content. With this in mind, we thought it would be important
to mention a few best practices which will help advertisers and our
internal sales teams target your content to help you maximize
revenue:First, take time to make sure your channel names and
descriptions accurately describe your content and audience. By
including descriptions that closely reflect your content, you'll also
attract advertisers from those areas. Naming and descriptions are
important. On that note, our second tip: be very careful about changing
the name of an ad placement. If an advertiser has already targeted one
of your specific channels, the channel will become unavailable to the
advertiser once you change its name. If you wish to rename a channel,
we recommend creating a second channel with the new name, and then
attaching both channels to your ad unit. Remember, you can attach up to
five custom channels to an ad unit.Third, use the 300x250 medium
rectangle, opted in to both text and image ads. This is one type of
targetable ad unit that's in high demand by Google's CPM advertisers.
We recommend placing these units in line with your content, and
describing them as they relate to the content. This combination of
format and placement enables advertisers to use image, text, or rich
media (including gadget ads) effectively. In feeds, we recommend opting
in to both image and text in all ad units, as many of these advertisers
only target with image ads into feeds.Finally, as always, the most
important tip for maximizing revenue from your ad placements is to
create quality content that is visually appealing and attracts a
quality audience. Many brand advertisers look at all placements before
placing an advertising order to make sure the destination sites are in
line with their brand and attract the type of audience they wish to
target for a particular campaign.Posted by Steve Olechowski - AdSense
Product Manager

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Source: Inside AdSense