Short reply:

[webmasterworld.com...]

Longer reply:

Do you have sections of your site that advertisers might want to target with CPM ads, given the opportunity? If so, having channels for those sections (with ad placement enabled) may be somewhat productive, but there are no guarantees.

Here's another tip related to this one. If you want advertisers to target your site, make it easy for them by including details in the channel Description. For example, the target audience most likely to visit the page(s) that use the channel, the size and type of ad (text or image), and any other relevant info.

Seems like everybody agree with: no, i didn't notice any substantial success.

And it's a lot of work, so probably not a good idea even when Google encourages to do it.

I guess if you tend to get site-targeted campaigns and have some reason to believe that channel targeting would improve that, then it would be worth doing. (I've definitely seen revenue jump on those occasions I've been site targeted.) But personally I don't see channels being of significant interest to advertisers, given the nature of my site, and I don't use them.

As advertiser I didn't see this far any useful and about a 5% of sites use it only. But I wonder if that makes your sites preferred appearing in categories browsing when you find sites (not all sites are in categories tree)

But I wonder if that makes your sites preferred appearing in categories browsing when you find sites (not all sites are in categories tree)

One good way to determine this would be to sign up for AdWords, and try targetting your site. That way you'll see what your site looks like on the list, and how it compares to other publishers in the same category.

You can also find out how much it takes (CPM) to get an ad on your site.

I did this and found that my site was buried in the list. There are quite a few other sites in my "niche" and many of them deliver more pages than I do. Oh well...

Nice tip.

Thank you for a great tip.

I tried this an was well pleased to see my site at the very top of the list, even though I don't serve as many pages as some of the giants in my field. I'm wondering if there are any steps available to "optimize" a channel to make it most desirable, and possibly increase eCPM by getting the better advertisers?

Now I don't want to send the thread off course, but I came away with questions about this placement tool available to AdWords clients.

Like how is the list of sites configured? Its obviously not alphabetical, and its not by traffic data.

And how does an advertiser view the descriptions in my channels? Clicking on a site in the list is presently returning an error message.

Thanks again, a whole bunch

I saw doing such a thing, than some of mine appear decently, but others are not there at all.
Not in directory list, not even searching a very very descriptive term and some of them don't show even putting the url... What's going on?