Economics of PPC Pricing: Why Performance Deals Often Fail

For a business looking to hire a pay per click (PPC) agency, cost-per-sale (CPS) performance models are great. The business pays the agency a set price for each sale, so fees are entirely based on the agency’s performance.

From a client’s point of view, this is great. There is little risk – agency fees are only payable once sales come in. Guaranteed profit!

From an agency’s point of view, it’s also great. Each extra sale is extra revenue, so an agency which is confident of its abilities to deliver value from paid search is rewarded heavily (and fairly) for their efforts. Performance-related pay creates an incentive for agencies to invest their best resources and expertise into making PPC campaigns a success for their client.

Researching cheaper and high-converting long-tail keywords, restructuring ad groups to improve relevancy and regularly carrying out landing page testing to increase conversion rate become all the more worthwhile when there’s a monetary incentive. If an agency only gets paid when they deliver sales, it is worth their time and effort to deliver sales.

Sounds too good to be true. Client risk is minimal. Agencies which perform are rewarded. Agencies which don’t perform…well they are forced to perform if they are to stay in business.

So you’ve decided you want to give performance pricing a go. But how exactly would a performance deal work? And how should you go about creating one for your PPC agency?

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Economics of PPC Pricing: Why the Markup Model is Flawed

Choosing a Pay-Per-Click (PPC) pricing model which works efficiently for both client and agency is a difficult process. A good pricing model should be simple, should create incentives for the agency to perform and should be a fair measure of the work and expertise involved.

One common model that many agencies use is the ‘markup’ model (also commonly known as the ‘percentage of spend’ model). If the agreed markup is 10%, and the client spends $30,000 on clicks, the client pays $33,000, of which the agency receives $3,000.

Nice and simple.

But does it create incentives for the agency to maximise profit for the client? Does it fairly reflect the work and expertise involved at all spend levels?

No.

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To Deep-Link Or Not To Deep-Link

Landing page selection is an art.

When it comes to choosing landing pages for paid search ads, there is only one rule which must be followed: the page must be relevant to the user’s search query.

Other than ensuring a highly relevant user journey is delivered, there are no clear rules explicitly stating how a landing page should be designed, structured and styled, nor is there a landing page formula which works for everyone. Landing pages selection is about finding out what works best for your business, products, services, target audience, keywords and ads, through ongoing testing and optimisation.

Landing page performance will therefore vary depending on countless numbers of variables, making landing page best practice ambiguous. That said, it is important to be aware of the reasoning and implications behind any landing page strategy, to enable more informed landing page selection and more insightful testing and optimisation when comparing one landing page to another.

So to better understand the issues which arise when choosing landing pages, let’s consider one common dilemma which a large number of advertisers face: whether or not to deep-link.

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Intelligent Analytics for Intelligent AdWords Management

All too often keywords in a paid search account are evaluated based solely on their ability to generate conversions: leads, bookings or sales. If a keyword has an unacceptable conversion rate or an unsatisfactory return on investment (ROI), it is paused or its bid is greatly reduced.

Sometimes, if conversion data is scarce, click-through-rate (CTR) is instead used to evaluate a keyword’s performance. If a keyword generates only 5 clicks from 1,000 impressions, it has a CTR of 0.5% so is deemed irrelevant. The keyword is then paused or relegated to the second page of search result obscurity.

This is not the right approach. Read more »

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How Low is “Low Search Volume”?

Browsing through your Google AdWords account, you notice some of your keywords are not showing due to “low search volume”. Hovering your mouse over the speech bubble, the ad diagnostic tool pops up:

 
google adwords ad diagnostic tool

 
According to Google AdWords Help, your keyword is not showing because not enough people are searching for your keyword.

“Low search volume” keywords are keywords associated with very little search traffic on Google properties. In which case, we suspend your keyword. This state is only temporary, and these keywords will be reactivated if we find that they could start delivering traffic.

So just how much search traffic is “very little search traffic”?

To find out, I decided to count every “low search volume” keyword in an AdWords account over a 3 month period. Of the 2,823 keywords that received at least one impression, 804 keywords (28.5%) were “low search volume”. That’s over a quarter of keywords.

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One Keyword per Ad Group: Pros & Cons

I recently stumbled across a Google AdWords video by Derek Faylor describing how to boost AdWords relevancy. He suggests picking one keyword that is core to your business, setting it to exact match and giving the keyword its own ad group with its own tailored ads. The idea is this: if your ads closely match your keywords, you will be seen by Google as being highly relevant, so your Quality Score will increase. This will lead to a higher ad rankings, higher click-though rates (CTR) and lower costs per click (CPC).

It makes sense, and I completely agree that a highly relevant approach such as that outlined by Derek is essential to achieve great results in paid search.

However, although Derek emphasises that his one keyword per ad group strategy should only be applied to one keyword which is core to your business, there will rarely be a case where a business will only want to advertise on a single keyword. There will likely be hundreds of possible phrases that will be highly relevant to a business, and having a portfolio of hundreds, even thousands, of long-tail keywords (instead of just bidding on one or two highly generic short-tail keywords) will often achieve better results.

So is Derek’s strategy of one keyword per ad group practical if applied on a larger scale?

Let’s have a look at the pros and cons.

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The 5 Benefits of Long-Tail Keywords

There’s been a lot of talk about long-tail keywords in pay per click (PPC). You could say it started in the entertainment industry with Chris Anderson’s influential Long Tail article in 2004, but it wasn’t long before the concept became mainstream among search marketers.

Long-tail keywords are those low-volume, obscure, infrequently searched-for keywords that turn up in your search query reports. ‘Cheap remortgage for bad credit history’ is one example of a long-tail keyword. ‘Remortgages’ is not.

The theory goes like this:

  • Long-tail keywords, en masse, can provide significant search volume (high impressions)
  • Long-tail keywords have less competition than generic keywords (lower cost per click (CPC), higher click-through rate (CTR))
  • Long-tail keywords are more specific than generic keywords, so ads can be better tailored to match the searcher’s needs (higher CTR, higher Quality Score, less wastage from irrelevant searches)
  • People making long-tail searches are often further along in the buying cycle and more willing to buy than people making generic searches (higher conversion rate)
  • These lower CPCs, higher CTRs and higher conversion rates mean long-tail keywords can be extremely profitable (lower cost per acquisition (CPA))

So are long-tail keywords all they are cracked up to be? Are they worth all the time, effort and commitment they require?

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Budget Time for Budget Checks

Daily campaign budgets in Google AdWords are great. You simply enter the maximum you want to spend per campaign per day, then sit back and relax, safe in the knowledge that your monthly Google bill will not cause any nasty surprises.

But despite the reassuring nature of campaign budgets and the ease at which they can control your spending, they should not be used to control your spending. Instead, cost per click (CPC) bids should be your tool of choice for spend management.

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The 10% Clicks Rule Part 3: Does It Work?

Welcome to the final part of the Clicks Rule special.

You may remember the 10% Clicks Rule is a technique to help identify the areas of your Google AdWords account which could benefit most from your time and effort (if not, you may want track back to Part 1: Overview and Part 2: Process).

What I want to do now is evaluate the rule using a real AdWords campaign data to assess its viability. Does it work? Does it help PPC management? Does it actually help improve results? Is 10% the right figure?

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The 10% Clicks Rule Part 2: Process

Welcome to part 2 of the Clicks Rule special.

You may be familiar with a technique I shared in recent post called the 10% Clicks Rule (if not, you may want to come back once you’ve skimmed through Part 1: Overview). In essence, the 10% Clicks Rule is a technique that aims to improve the relevancy of ads for search queries which have broad or phrase-matched to one of you keywords. Since it is impractical to give every possible keyword or search query its own ad group with personalised ads, the 10% Clicks Rule helps to identify those ad groups which are most likely to benefit from your time and effort.

Part 1 was all theory. What I want to do now is provide a step-by-step guide explaining how to identify those ad groups in your own AdWords account which could greatly benefit from your insight. All we’re trying to do here is run a Google AdWords search query report at ad group level, filter out exact match keywords (to leave broad and phrase match only) and highlight those ad groups with more than 10% of broad and phrase clicks. These are the ad groups we want to look at. So if you’re a seasoned AdWords and Excel pro, feel free to skim through the bullets or jump ahead to Part 3: Does it Work?. For everyone else who might need a little more guidance, continue reading for a detailed step-by-step guide.

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The 10% Clicks Rule Part 1: Overview

Welcome to the first of a 3-part Clicks Rule special.

Here’s the theory

No more than 10% of total broad and phrase clicks in your Google AdWords account should come from a single ad group. If more than 10% of your total broad and phrase clicks comes from a single ad group, the keywords in that ad group are being over broad-matched or over phrase-matched. Too many searches are going to that ad group’s broad and phrase-match keywords, so the ad group could benefit from keyword expansion and search query analysis.

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Relevancy: The Holy Grail Of PPC

I’m going to focus my first post on what I believe is the most fundamental concept in PPC: relevancy. Giving users what they are looking for. Directing them to where they want to go. Answering their questions.

Why? Because paid search relevancy can pay massive dividends. Not only is a highly relevant pay per click (PPC) campaign more likely to receive a higher click-through rate (CTR), higher Quality Score, higher ad rankings, lower costs per click (CPC) and benefit from less wasted spend, but users will more qualified so bounce rates are likely to fall (the number of people who immediately ‘bounce’ back), conversion rates increase and return on investment (ROI) will ultimately improve. So a highly relevant paid search campaign is definitely a good thing.

To achieve PPC relevancy, keywords, ads and landing pages need to work together in tandem. Messages in ads need to match users’ search queries, landing pages need to match messages in ads and landing pages need to relate to users’ original searches. (For a more detailed explanation of how each component interlinks, you might like to consult Acquisio’s great article on AdWords relevancy and Quality Score).

Closely matching ads and landing pages to keywords to encourage only targeted and qualified users to visit your site is a simple theory, and one that’s been around since the dawn of Google AdWords.

So nothing new then – does that mean relevancy is no longer relevant?

Well, not exactly, for two reasons…

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