I have some Ad Groups and I've been doing some split testing, but even if Ad A outperforms Ad B .. it doesn't always mean that A is the best for every single keyword in that Ad Group - it could be the best for 9 out of 10 keywords - and Ad B is the best for the other keyword.
So I can see why people would want to have just 1 keyword in each Ad Group.
What's your thoughts on this?
Would you have both widgets & [widgets] in the same Widgets Ad Group or have 2 Ad Groups for each keyword (3 Ad Groups if you go for phrase match as well).
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then probably don't need to put singular and plural in different ad groups.
So I can see why people would want to have just 1 keyword in each Ad Group.
In theory, it's the most flexible way to specifically customize each component to each specific keyword and match type - that's true. But, the problem is - it's just not scalable. So, while it may be a good structure for certain important keywords - IMHO, a more scalable structure must be in place for the vast majority of keywords.
Sometimes I wish that you could create a unique ad for each keyword. I really don't like keyword insertion, but we use it b/c it has the best CTR and a good conversion rate. Maybe if I could have a unique title for each keyword the problem would be solved.
The best information I've found on the subject is Rimm-Kaufman's blog. (Not sure about posting link rules in this situation) Search for "adgroup" - some very interesting thoughts in there.
My understanding is that they use the API.
Here's my favorite quote:
"For us the only drawbacks are that periodically the engines tell our clients that we “don’t use adgroups correctly”. Our clients occasionally complain that they can’t find things easily in our accounts because there might be thirty different ad groups related to “Women’s shorts” and they don’t know which one is hiding a particular keyword. ... More importantly, from an analysis perspective, campaigns and adgroups play no critical role in our system. We database everything on our side, so analyzing data by product category, manufacturer, color, gender or some combination thereof is a breeze.
This topic is also related to the "PPC Profit Maximizing (not ROI targeting) SEM bid management tool" [webmasterworld.com] thread in this board.
Thanks for a very interesting topic.
Cheers