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Sunday, February 25, 2024

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Daydreaming About Paid Search: How About Airtight Ad Groups?

My best daydreams come on summer afternoons when the sky is full of big fluffy clouds in a deep blue sky, and there is a refreshing summer breeze to keep me cool. Next week, I plan to enjoy plenty of that when we take our family vacation at Twin Lake Villa, an idyllic, and very old-fashioned New Hampshire resort with almost no internet access.

In the meantime, however, I am resigned to daydreaming about PPC campaigns here at the office.

In today’s fantasy, I see a perfect set of campaigns that have 100% airtight ad groups. I’m talking about ad groups that are so perfectly constructed that there’s not a search query I don’t like in my search query reports, my analytics show me that all of our search traffic is coming in through the right ad groups, and click through rates and quality scores are the best they’ve ever been. Wouldn’t that be nice!

While I may never see that dream coming true, that doesn’t stop me from trying, and in this month’s column I will share with you three of my favorite techniques for forcing search queries to trigger ads from the right ad groups and inch ever closer to a perfect campaign.

The challenge of creating airtight ad groups

The difficulty in creating perfectly airtight ad groups is that multiple keywords often qualify for the same keyword auction for a specific user search query. Relying on exact match would certainly make your ad groups airtight, but would end up suffocating all your traffic.

Whenever two or more keywords qualify for the same keyword auction, the AdWords Ad Rank algorithms are forced to decide which ad to show, and when that happens you lose control. In spite of the fact that you may have carefully built out many ad groups to house your extensive tail keyword lists and written ad copy perfectly tailored to the user intent implied by those long tail keywords, unless you take specific steps to prevent it, AdWords ends up choosing the ad it likes best based on highest bid and quality score factors.

If you want to maintain control over which ad gets presented, you have to either take steps to make sure only the right keyword enters the auction, or, if more than one keyword qualifies, to use bid tactics to force the match you prefer. The primary tools you have to accomplish this are negative keywords, match type selection, bidding tactics and a willingness to sketch up a few Boolean logic tables.

Using negative keywords

As I wrote in Rich Stokes’ new book, “Ultimate Guide to Pay Per Click Advertising” you can use negative keywords both to keep search queries from matching any keywords in your campaigns, but also to force the match into the right ad group.

There have been many articles written about using negative keywords to keep your ads from showing for searches unrelated to your keywords, and I think most people get that reducing ad impressions improves your CTR and saves you money by reducing unproductive clicks. However there is a second, less commonly used application of negative keywords to force broad and phrase matches into specific ad groups. Here’s how this works.

Lets say you have 3 ad groups, each with one broad match keyword, like this:

Ad group Keyword
stone stone siding
rock rock siding
faux stone faux stone siding

On the user query, fake stone siding, any of these 3 keywords might get triggered. By adding in negatives, you can force the logic so that only one match can be made:

Ad group Keyword Negative keywords
stone stone siding -fake, -faux, -rock

rock siding

-fake, -faux, -stone
faux stone faux stone siding -rock

Now, instead of three possible matches, Google now only has one choice and its the one we forced. This technique requires some work, but it definitely gives you control over which keyword/ad combination qualifies for the auction so you can tailor your bids, ad copy, and landing pages to your best advantage. This has been especially useful for protecting longer tail terms.

We’ve found this tactic to very effective in controlling both broad and phrase match ad groups, but for broad match ad groups, we are now relying more on Google’s broad match modifier (BMM) to control traffic flow. Fellow Search Engine Land columnist, Brad Geddes wrote a very practical blog post about how the broad match modifier works over at BG Theory.

Here is a quick tip for those of you just getting started using the new BMM. You can control which keyword variations qualify for modified broad match by adding undesirable matches as negative keywords. For example, if Google considers faux and fake to be close matches, but you prefer not to allow that match, you can add -fake as a negative keyword in that ad group to prevent that specific variation from entering the auction.

Using keyword match types

Another way to control which of your keyword variations will qualify for an auction is to silo your keywords by match types. This technique was demonstrated at the most recent SMX Advanced by Benny Blum of eSearchVision and is quite a clever way to make sure you are not are overpaying for your exact match types, such as your brand terms. Here’s how it works:

  • Ad Group 1: [Exact Match Keyword]
  • Ad Group 2: Broad Match Keyword, -[Exact Match], -{Phrase Match}
  • Ad Group 3: {Phrase Match} -[Exact Match], -Broad Match Keyword

By doing this, Benny shows how you can effectively eliminate intra-ad group competition by forcing traffic to ad groups that have your preferred keyword/ad combinations.

Using bidding tactics to force match types

A few years ago, Craig Danuloff presented a nice technique for control the flow of paid search traffic into your preferred ad groups through bidding tactics. His blog post, “Match Type Keyword Trap” recommends a technique Craig refers to as ‘forcing the stack’ to segment traffic of differing economic value into the most appropriate ad groups. This technique calls for bidding the same head term keyword in the three different ad groups like this:

  • Ad Group 1: Exact Match (Highest Bid)
  • Ad Group 2: Phrase Match (Lower Bid)
  • Ad Group 3: Broad Mach (Lowest Bid)

Although this technique does not give you absolute control over traffic flow because it is still dependent upon quality score vagaries, it can be a very effective technique to employ especially for new campaigns and keyword sets.

The match type I’d really like to see: positive match

I like Google’s new broad match modifier, but what I was really hoping for was a new and distinct fourth keyword type, which I have dubbed “positive match.” A positive match would be the perfect opposite of a negative match. Instead of preventing a match from occurring, a positive match would allow a match if, and only if, a search query contains the positive match keyword. It would work with phrase matches as well as broad match and it could be applied at the ad group or campaign level. Positive match would be very literal and allow no stemming or close variations. I contend that a positive match would be a more elegant solution and offer more control over matches than the broad match modifier. It would require one keyword to implement as opposed to adding plus signs to every broad match term in your ad group.

I’d love to see this match type added into AdWords, but then again, I’m just a big daydreamer.

Opinions expressed in this article are those of the guest author and not necessarily Search Engine Land. Staff authors are listed here.

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